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XR1
DIVE COMPUTER
OPERATING MANUAL
3
CONTENTS
LIMITED TWO-YEAR WARRANTY ............................................................................................................................ 5
NOTICES ..................................................................................................................................................................... 5
DECOMPRESSION MODEL ....................................................................................................................................... 5
FULL DISPLAY ............................................................................................................................................................ 6
FEATURES AND DISPLAYS............................................................................................. 7
INTRODUCTION .......................................................................................................................................................... 8
CONTROL BUTTON ................................................................................................................................................... 8
BAR GRAPHS ............................................................................................................................................................. 9
Nitrogen Loading Bar Graph (NiBG) ...................................................................................................................... 9
Variable Ascent Rate Indicator (VARI) .................................................................................................................. 10
INFORMATIONAL DISPLAYS ................................................................................................................................... 10
Depth Displays ...................................................................................................................................................... 10
Time Displays ....................................................................................................................................................... 11
Date Display ......................................................................................................................................................... 11
Temperature Display ............................................................................................................................................. 11
POWER SUPPLY ...................................................................................................................................................... 12
BatteryIndication ................................................................................................................................................... 12
Low BatteryCondition ........................................................................................................................................... 13
DIVE TIME REMAINING ........................................................................................................................................... 14
NOTICE - WET ACTIVATION .................................................................................................................................... 16
SETUP AND ACTIVATION .............................................................................................. 17
ACTIVATION .............................................................................................................................................................. 18
SURFACE SEQUENCE ............................................................................................................................................. 19
SURFACE MODE ...................................................................................................................................................... 19
DIVE PLANNER (PLAN MODE) ............................................................................................................................... 20
SET MODE ................................................................................................................................................................ 20
PC INTERFACE ......................................................................................................................................................... 24
4
CONTENTS (continued)
DIVE MODES .................................................................................................................. 25
DIVE MODE BAR GRAPHS ...................................................................................................................................... 26
CONTROL OF DISPLAYS ......................................................................................................................................... 26
NO DECOMPRESSION DIVE MODE ....................................................................................................................... 27
DECOMPRESSION DIVE MODE .............................................................................................................................. 29
VIOLATION MODES .................................................................................................................................................. 31
USER SELECTED DIGITAL GAUGE MODE ............................................................................................................ 36
POST DIVE MODES ....................................................................................................... 37
POST DIVE SURFACE MODE .................................................................................................................................. 38
TRANSITION PERIOD .............................................................................................................................................. 38
AFTER THE TRANSITION PERIOD (THE FIRST 2 HOURS) .................................................................................. 39
Time to Fly / Desaturate ....................................................................................................................................... 39
Dive Planner ......................................................................................................................................................... 40
Log Mode .............................................................................................................................................................. 40
AFTER THE FIRST 2 HOURS .................................................................................................................................. 43
RESET FEATURE...................................................................................................................................................... 44
GENERAL ....................................................................................................................... 45
CARE AND CLEANING ............................................................................................................................................. 46
INSPECTIONS AND SERVICE ................................................................................................................................. 47
BATTERY REPLACEMENT ...................................................................................................................................... 58
ALTITUDE SAMPLING/COMPENSATION ............................................................................................................... 53
SPECIFICATIONS ..................................................................................................................................................... 54
SERVICE RECORD ................................................................................................................................................... 58
5
LIMITED TWO-YEAR WARRANTY
For details, refer to the Product Warranty Registration Card provided.
COPYRIGHT NOTICE
This Owners Guide is copyrighted, all rights are reserved. It may not, in whole or in part, be copied, photo-
copied, reproduced, translated, or reduced to any electronic medium or machine readable form without prior
consent in writing from AERIS / 2002 Design.
XR1 Operating Manual, Doc. No. 12-7197
© 2002 Design, 2005
San Leandro, CA USA 94577
TRADEMARK NOTICE
AERIS, the AERIS logo, XR1, and the XR1 logo are all registered and unregistered trademarks of AERIS.
Those Trademarks Registered are Registered in the U.S. Patent and Trademark Office. All rights are reserved.
PATENT NOTICE
U.S. Patents have been issued, or applied for, to protect the following design features:
Dive Time Remaining (U.S. Patent no. 4,586,136), Data Sensing and Processing Device (U.S. Patent no.
4,882,678), and Ascent Rate Indicator (U.S. Patent no. 5,156,055). User Setable Display (U.S. Patent no.
5,845,235) is owned by Suunto Oy (Finland).
DECOMPRESSION MODEL
The programs within the XR1 simulate the absorption of nitrogen into the body by using a mathematical
model. This model is merely a way to apply a limited set of data to a large range of experiences. The XR1
dive computer model is based upon the latest research and experiments in decompression theory. Still, using
the XR1, just as using the U.S. Navy (or other) No Decompression Tables, is no guarantee of avoiding de-
compression sickness, i.e. the bends. Every divers physiology is different, and can even vary from day to
day. No machine can predict how your body will react to a particular dive profile.
6
XR1 FULL LCD
Components:
a. Control Button
b. Variable Ascent Rate Indicator
c. Nitrogen Loading Bar Graph
d. Icon - Max Depth (Log Mode)
e. Icon - Temperature
f. Icon - Dive Number
g. Icon - Max Depth (Dive Mode)
h. Icon - Descend Arrow
Icon - Decompression Ceiling
Icon - Ascend Arrow
i. Icon - Log Mode
j. Icon - Depth units
k. Icon - Time
g. Battery Status Indicator
n. Icon - Operating Mode
a
b
c
d
e
f
g
h
i
k
l
j
m
7
FEATURES and DISPLAYS
WARNING: Prior to diving with the XR1, you must also read and
understand the AERIS Dive Computer Safety & Reference Manual,
Doc. No. 12-7203, which provides Important Warnings and Safety
Recommendations as well as general product information.
8
INTRODUCTION
Welcome to AERIS and thank you for choosing the XR1 !
It is extremely important that you read this Owner's Guide in se-
quence and understand it completely before attempting to use the
XR1.
Remember that technology is no substitute for common sense, and
a dive computer only provides the person using it with data, not the
knowledge to use it.
The XR1 has numerous features that are described throughout this
manual.
CONTROL BUTTON
The Control Button (Fig. 1) allows you to select display options
and access specific information when you want to see it.
Fig. 1 - Control Button
R
E
S
P
O
N
S
I
B
L
E
D
I
V
E
R
Be a -
RESPONSIBLE DIVER
at all times.
9
BAR GRAPHS
Nitrogen Bar Graph
The Nitrogen Bar Graph (Fig. 2a) represents tissue loading of ni-
trogen, showing your relative no decompression or decompression
status.
The Nitrogen Bar Graph monitors 12 different nitrogen compart-
ments simultaneously and displays the one that is in control of your
dive.
As your depth and elapsed dive time increase, segments will add to
the Graph, and as you ascend to shallower depths, the Bar Graph
will begin to recede, indicating that additional no decompression
time is allowed for multilevel diving.
It is divided into a gray No Decompression (normal) zone, a yellow
Caution zone (also No Decompression), and a red Decompression
(danger) zone.
While you cannot provide a guarantee against the occurrence of de-
compression sickness, you may choose your own personal zone of
caution based upon age, physique, excessive weight, etc., to reduce
the statistical risk.
Fig. 2 - NiBG
a
10
Variable Ascent Rate Indicator (VARI)
The Variable Ascent Rate Indicator (Fig. 3a) provides a visual rep-
resentation of ascent speed (i.e., an ascent speedometer). Gray is a
'normal' rate, yellow a 'caution' rate, and red is 'Too Fast'. The seg-
ments of the VARI represent two sets of speeds which change at a
reference depth of 60 feet (18 meters). Refer to the chart for seg-
ment values.
WARNING: At depths greater than 60 feet (18 m),
ascent rates should not exceed 60 fpm (18 mpm).
At depths of 60 feet (18 m) and shallower, ascent
rates should not exceed 30 fpm (9 mpm).
INFORMATIONAL DISPLAYS
Depth Displays
During a dive, the Current Depth display (Fig. 3b), indicates
Depths from 0 to 330 feet (99.9 meters) in increments of 1 foot (.1
meter). The Depth range is extended to 399 feet (120 meters)
when it is set to operate in Digital Gauge Mode.
By pressing the button, the Maximum Depth reached during that
dive will be displayed (Fig. 3c).
During a Decompression Dive, the required Ceiling Stop Depth is
displayed in the Max Depth position.
Fig. 3 - VARI & Depth
a
60 feet (18 m) & Shallower
Segments Ascent Rate =
Displayed FPM MPM
0 0-10 0 - 3
1 11-25 3.5-7.5
2 26-30 8-9
3 >30 >9
Deeper than 60 feet (18 m)
Segments Ascent Rate =
Displayed FPM MPM
0 0-20 0 - 6
1 21-50 6.5-15
2 51-60 15.5-18
3 >60 >18
VARI Values
b
c
11
Time Displays
Time displays are shown in hour:minute format (i.e., 1:16 repre-
sents 1 hour and 16 minutes, not 116 minutes!). The colon that
separates hours and minutes blinks once per second when the dis-
play is indicating real time (e.g., Elapsed Dive Time), and is solid
(non-blinking) when times are calculated projections (e.g., Time to
Fly).
The Main Time display has the largest digits of the display (Fig.
4a) A second time display (Fig. 4b) is located above it. Both dis-
plays are identified by clock icons.
Date Display
Date is displayed only to identify dive data while it is viewed in
the Log Mode. When Units of Measure are set for 'Imperial', the
Month appears to the left of Day. When set for Metric, the Month
appears to the right of Day.
Temperature Display
Ambient Temperature is displayed in Surface Mode (Fig. 4c) and
Log Mode, and can be viewed on Main Display 3 while in a dive
mode (Fig. 5a). If the Temperature exceeds a value of '99', 2
dashes ( - - ) will be displayed until temperature decreases to '99'.
Fig. 4 - Time Displays &
Temperature (Surface)
a
b
Fig. 5 - Temperature
(dive mode)
c
a
12
POWER SUPPLY
The XR1 utilizes one (1) type CR 2450 Lithium 3 volt cell that
should provide approximately 300 Hours of continuous operation,
or 50 activation Periods of operation.
If you conduct 1 dive each time the unit is activated, you
should obtain approximately 50 dives.
If you conduct 3 dives each time the unit is activated, you
should obtain approximately 150 dives.
Battery Indicator
A Battery Indicator provides an indication of battery condition.
When power is sufficient for normal unit operation (> 2.75 volts),
the full Battery icon will be displayed solid during Surface, Plan,
and Fly, and Desat modes (Fig. 6a).
When a Low Battery Condition is sensed (< 2.75 volts), the Indi-
cator will only display the shell and lower segment as a Warning.
NOTE: When the icon indicates a Low Battery
Warning condition, the Battery should be replaced
prior to conducting dives.
(continued on page 11)
Fig. 6 - Battery Indicator
a
13
Low Battery Condition
Voltage level is checked upon activation and every 10 minutes dur-
ing operation.
If a Low Battery Warning Condition exists (< 2.75 volts, > 2.50
volts), the Battery icon (shell and lower segment only) will be
displayed solid as previously described (Fig. 7a).
If the Battery is not changed and voltage continues to decrease
until a Low Battery Alarm Condition exists (< 2.50 volts), the
Battery icon (shell and lower segment only) will flash once per
second for 5 seconds (Fig. 8a) followed by shutdown of the unit.
If the button is not pressed to activate the unit prior to a dive,
and a Low Battery Alarm Condition exists (< 2.50 volts), the
Battery icon will appear flashing as a warning upon descent past
4 feet (1.2 meters). No other information will be displayed.
If the unit did not display the Low Battery icon 'prior to' entering
the Dive Mode, and a Low Battery Condition occurs during the
dive, there will be sufficient battery power to maintain unit op-
eration for the remainder of 'that dive' only. The Battery icon
will appear as a warning upon surfacing when Surface Mode is
displayed.
When the Battery is removed, nitrogen calculations for repetitive
dives are reset to zero after 8 seconds. Also, settings such as Time
and Date must be reset. If a new battery can be inserted within that
8 seconds, the calculations and settings will be retained.
Fig. 8 - Low Battery Alarm
Fig. 7 - Low Battery Warning
a
a
14
DIVE TIME REMAINING (DTR)
One of the most important pieces of information on AERIS dive computers is the 'Dive Time Re-
maining (DTR) display'. The dive computer constantly monitors no decompression status.
No Deco Dive Time Remaining (DTR)
No Deco Dive Time Remaining (DTR) is the maximum amount of time that you can stay at your
present depth before entering a decompression situation. It is calculated based on the amount of
nitrogen absorbed by hypothetical tissue compartments. The rates each of these compartments ab-
sorb and release nitrogen is mathematically modeled and compared against a maximum allowable
nitrogen level. Whichever one is closest to this maximum level is the controlling compartment for
that depth. Its resulting value will be displayed numerically (Fig. 9a) along with the No Decom-
pression Dive icon and graphically as the Nitrogen Bar Graph (Fig. 9b).
As you ascend from depth following a dive that has approached the
no decompression limit, the Nitrogen Bar Graph will recede as
control shifts to slower compartments. This is a feature of the de-
compression model that is the basis for multilevel diving, one of
the most important advantages that AERIS dive computers offer.
The no decompression algorithm is based upon Haldanes theory
using maximum allowable nitrogen levels developed by Merrill
Spencer. Repetitive diving control is based upon experiments de-
signed and conducted by Dr. Ray Rogers and Dr. Michael Powell
in 1987. Diving Science and Technology® (DSAT), a corporate af-
filiate of PADI®, commissioned these experiments.
Fig. 9 - No Deco DTR
a
b
15
NOTE: Each display represents unique pieces of information.
It is imperative that you understand the formats, ranges, and values of the in-
formation represented to avoid any possible misunderstanding that could re-
sult in error.
The Informational Displays are described in detail as the various operating
modes they appear in are presented throughout this manual.
It should not be considered that the capabilities built into the XR1 provide an
implied approval or consent from AERIS for individuals to exceed the defined
limits for recreational diving, as agreed on by all internationally recognized train-
ing agencies.
The XR1 provides information based upon a personal dive profile, and therefore
must not be shared between divers. It is impossible for two divers to stay pre-
cisely together underwater, and your computer's dive profile tracking of previ-
ous dives will be pertinent to you only. Nitrogen and oxygen loading of a sec-
ond user may be significantly different and swapping dive computers could lead
to inaccurate and dangerous predictions of decompression status.
WARNINGS AND SAFETY RECOMMENDATIONS
16
The XR1 is configured with contacts that will automatically activate the unit when the space be-
tween the contacts is bridged by a conductive material (immersed in water).
The contacts are the pins of the Data Port and stem of the Push Button.
It is important that the Data Port and Button be kept clean and free of any contamination or debris
that could cause the unit to activate unnecessarily resulting in premature depletion of battery
power.
It is also important that they be kept clean to ensure that the unit will activate and enter dive mode
upon immersion and descent.
The Data Port and Button can be cleaned with fresh water and a soft bristle brush.
WARNING: The Wet Activation feature will not function unless it is Set ON (a
user setting) and the contacts are bridged without interference. If the con-
tacts remain dry during a descent and an attempt is made to activate it at
depth by pressing the button or if the contacts then become wet, it will come
On briefly then shut Off and not operate in dive mode.
17
ACTIVATION AND SETUP
WARNING: Prior to diving with the XR1, you must also read and
understand the AERIS Dive Computer Safety & Reference Manual,
Doc. No. 12-7203, which provides Important Warnings and Safety
Recommendations as well as general product information.
18
ACTIVATION
To Activate the XR1 - press and release the Button.
Upon manual activation, the unit will enter Diagnostic Mode
(Fig. 10), displaying all segments of the LCD as 8's, followed by
dashes, then a countdown from 9 to 0.
Diagnostic Mode checks the display and battery voltage to en-
sure that everything is within tolerance and functioning prop-
erly.
It will also check the ambient barometric pressure, and calibrate
its present Depth as zero. At elevations of 2,000 feet (610
meters) or higher, it will adjust its Depth readings and No De-
compression Limits for that elevation.
WARNING: If it is manually activated at elevations
higher than 14,000 feet (4,270 meters), it will per-
form a diagnostic check followed by immediate
shutdown.
To view a screen that displays the unit's Serial Number and firm-
ware revision level, hold the button depressed as the Diagnostic
countdown reaches 00. The Serial Number screen appears (Fig. 8)
as long as the button is depressed. Upon releasing the button, the
unit shuts Off. Press and release the button to reactivate the unit
and enter Surface Mode.
Fig. 10 - Diagnostic Mode
Fig. 11 - Serial Number
19
Wet Activation (only if set ON, a user setting)
The XR1 will also automatically activate by water contact. This is
accomplished by bridging the gap between contacts located on the
Button and Data Port on the side of the housing.
If no dive is made within 2 hours after activation, the unit will de-
activate. If the wet contacts are still wet, it will reactivate.
SURFACE SEQUENCE
While on the surface, the unit will automatically scroll through a
Sequence of displays including -
SURFACE > FLY > SAT > PLAN
As the Surface Sequence is scrolling, you can use the button to ac-
cess Log Mode and Set Mode.
SURFACE MODE
Surface Mode information includes (Fig. 12) -
Dive Number if the module is dry (0 if no dive made yet), or the
graphic H2O if the module is wet (Fig. 13)
Temperature (and degree icon and F or C graphic).
Time of Day (with clock icon).
Surface Interval (with flashing colon) and clock/wave icon.
Battery Status icon.
Fig. 12 - Surface Mode
(module is dry)
Fig. 13 - Surface Mode
(module is wet)
20
DIVE PLANNER (PLAN MODE)
The Dive Planner (Fig. 14) provides a sequence of theoretical dive
times available for depths ranging from 30 feet (9 meters) to 190
feet (57 meters) in 10 foot (3 meter) increments.
No decompression times (limits), or NDLs, are only displayed for
depths where there is at least 3 minutes of theoretical dive time
available at the depth, taking into account a descent rate of 60 feet
(18 meters) per minute.
The Dive Planner should be reviewed prior to every dive to help
you plan your dive as required to avoid exceeding no decompres-
sion limits. For repetitive dives, it indicates adjusted dive times
that are available for the next dive, based on residual nitrogen fol-
lowing the last dive and surface interval.
WARNING: The available dive times provided by
the Dive Planner are only predictions. Depending
on cylinder size and air consumption rate you may
have less time available than indicated because of
those or other limitations.
SET MODE
After gaining access to Set Mode, settings can be made in sequence
one after the other, or you can access a specific item that you want
to set, bypassing others.
Fig. 14 - Dive Planner
NDLs at Sea Level
(no dive made yet)
Depth NDL
FT (M) hr:mins
30 (9) 4:20 (4:43)
40 (12) 2:17 (2:24)
50 (15) 1:21 (1:25)
60 (18) :57 (:59)
70 (21) :40 (:41)
80 (24) :30 (:32)
90 (27) :24 (:25)
100 (30) :19 (:20)
110 (33) :16 (:17)
120 (36) :13 (:14)
130 (39) :11 (:11)
140 (42) :09 (:09)
150 (45) :08 (:08)
160 (48) :07 (:07)
170 (51) :07 (:06)
180 (54) :06 (:06)
190 (57) :05 (:05)
21
Scrolling Surface Sequence, you can set:
Units of Measure - Imperial or Metric
Hour Format - 12 or 24
Time of Day - Hour:Minute
Date - Year, Month, Day
Digital Gauge Mode - On or Off
Wet Activation - On or Off
HINT: To bypass a parameter that you do not want
to set, keep the Button depressed until the item
you do want to set appears, then release it.
To Access Set Mode and enter Settings:
While the unit is scrolling through the Surface Sequence -
Press and hold the Button for 2 seconds, release when the Set
Units screen appears with the graphics FT and F (or M and C)
flashing (Fig. 15).
To change the setting for Units of Measure -
Press and release the Button momentarily to toggle between Im-
perial (FT and F) and Metric (M and C).
Press and hold the Button for 2 seconds to save the setting, re-
lease when the graphic Hour and 12 (or 24) appear flashing
(Fig. 16).
Fig. 15 - Set Units of Measure
Fig. 16 - Set Hour Format
22
To change the setting for Hour Format -
Press and release the Button momentarily to toggle between 12
and 24.
Press and hold the Button for 2 seconds to save the setting, re-
lease when AM (or PM) and the Time of Day appear with the
Hour value flashing (Fig. 17).
To change the setting for Time of Day -
Repeatedly press and release the Button momentarily until the
correct value for Hour appears (1: to 12:, or 0: to 23:). Do Not
Hold the Button depressed.
Press and hold the Button for 2 seconds to save the setting, re-
lease when the Minute value flashes.
Repeatedly press and release the Button momentarily until the
correct value for Minute appears (:00 to :59). Do Not Hold the
Button depressed.
The Set Date screen appears with the graphic dAY and Year
value flashing (Fig. 18).
Fig. 17 - Set Time
Fig. 18 - Set Date
23
To change the setting for Date -
Repeatedly press and release the Button momentarily until the
correct value for Year appears (2005 to 2042). Do Not Hold the
Button depressed.
Press and hold the Button for 2 seconds to save the setting, re-
lease when the Month value flashes.
Repeatedly press and release the Button momentarily until the
correct value for Month appears (1 to 12). Do Not Hold the But-
ton depressed.
Press and hold the Button for 2 seconds to save the setting, re-
lease when the Day value flashes.
Repeatedly press and release the Button momentarily until the
correct value for Day appears (1 to 31). Do Not Hold the Button
depressed.
Press and hold the Button for 2 seconds to save the setting, re-
lease when the Set Gauge Mode screen appears with the graphic
GAU and OFF (or ON) flashing (Fig. 19).
Fig. 19 - Set Digital Gauge Mode
24
To change the setting for Digital Gauge Mode -
Press and release the Button momentarily to toggle between
OFF and ON.
Press and hold the Button for 2 seconds to save the setting, re-
lease when the Set Wet Activation screen appears with the
graphics ACT, H2O, and ON (or OFF) flashing (Fig. 20).
To change the setting for Wet Activation -
Press and release the Button momentarily to toggle between ON
and OFF.
Press and hold the Button for 4 seconds to save the setting, re-
lease when the Surface Mode screen appears.
During the 4 seconds, a PC screen will appear (Fig. 21) and can
be bypassed.
PC INTERFACE
PC Interface is not a setting or user function. It is included in the
Set menu for access by the factory personnel when calibrating the
XR1 module prior to shipping.
Fig. 20 - Set Wet Activation
Fig. 21 - PC Interface
25
DIVE MODES
WARNING: Prior to diving with the XR1, you must also read and
understand the AERIS Dive Computer Safety & Reference Manual,
Doc. No. 12-7203, which provides Important Warnings and Safety
Recommendations as well as general product information.
26
DIVE MODE BAR GRAPHS
As your depth and elapsed dive time increase, the Nitrogen Bar
Graph (NiBG) will fill with segments (gray toward red) to repre-
sent the absorption of nitrogen (Fig. 22a). While ascending to
shallower depths, the segments that have filled the Bar Graph will
begin to recede, offering a graphic representation of your multi-
level diving capability.
The Variable Ascent Rate Indicator (VARI) shows how fast you
are Ascending (Fig. 22b). When you exceed an Ascent Rate of 60
fpm (18 mpm) if deeper than 60 feet (18 meters), or 30 fpm (9
mpm) if at or shallower than 60 feet (18 meters), it will enter the
red (Too Fast) zone and all segments will flash (Fig. 23) until your
Ascent Rate is slowed.
CONTROL OF DISPLAYS
During dive modes, multiple displays of information are available.
You can change from one display to another as often as desired by
momentarily (< 2 seconds) pressing and releasing the Button.
During No Decompression conditions, you can choose how much
information is displayed at a given time. The Main Display chosen
will remain on the screen until you press the Button to change to
another Main Display.
Fig. 23 - Ascent Too Fast
a
b
Fig. 22 - NiBG & VARI
27
During conditions in which cautionary type information is dis-
played (e.g., Decompression, etc.), there is one Main (Default)
Display of important information relevant to the specific condition.
You can then access Alternate Displays, that will automatically
revert to the Main Display after 3 seconds.
NO DECOMPRESSION DIVE MODE
The XR1 will enter the No Decompression Dive Mode when you
descend to 5 feet (1.5 meters).
No Decompression - Main Display 1 (Fig. 24)
Information includes Current Depth (and FT or M icon), Dive
Time Remaining (and wave/clock/profile Mode icon), and appli-
cable Bar Graphs.
press and release the Button to change to Main Display 2.
No Decompression - Main Display 2 (Fig. 25)
Information includes Current Depth (and FT or M icon), Maximum
Depth for that dive (and MAX icon), Elapsed Dive Time (and
wave/clock icon), Dive Time Remaining (and wave/clock/profile
Mode icon), and applicable Bar Graphs.
press and release the Button to change to Main Display 3.
Fig. 25 - No Deco Main 2
Fig. 24 - No Deco Main 1
No Deco
Mode icon
28
No Decompression - Main Display 3 (Fig. 26)
Information includes Current Depth (and FT or M icon), Tempera-
ture (and degree icon with graphic F or C), Time of Day (and clock
icon), Dive Time Remaining (and wave/clock/profile Mode icon),
and applicable Bar Graphs.
Press and release the Button to view Main Display 1.
No Deco - SAFETY STOP (Fig. 27)
Upon ascending to 20 feet (6 meters) on any No Decompression
dive in which Depth exceeded 30 feet (9 meters), a Safety Stop at
15 feet (4.5 meters) will appear on the display with a 3 minute
countdown timer that counts down from 3:00 to :00 (min:sec).
Information includes Current Depth (and FT or M icon), Stop
Depth as 15 (FT) or 4.5 (M), Stop Bar icon, Countdown Timer
(and clock icon), Dive Time Remaining (and wave/clock/profile
Mode icon), and applicable Bar Graphs.
The Safety Stop will be displayed until the countdown times out, or
you descend below 30 feet (10 meters), or you surface.
There is no Penalty if you surface prior to completing the Safety
Stop.
Fig. 27 - No Deco
Safety Stop
Fig. 26 - No Deco Main 3
29
DECOMPRESSION DIVE MODE
The XR1 is designed to help you by providing a representation of
how close you are to entering decompression. Decompression
Dive Mode activates when theoretical No Decompression time/
depth limits are exceeded.
Upon entering Decompression Mode, you should begin a safe con-
trolled Ascent to a Depth slightly deeper than, or equal to, the Re-
quired Ceiling Stop Depth indicated (Fig. 28a) and Decompress for
the Stop Time indicated (Fig. 28b).
The UP Arrow and Stop Bar will flash if you are more than 10
feet (3 meters) deeper than the Required Ceiling Depth.
Once within 10 feet (3 meters) of, and below, the Required Ceil-
ing Depth, both Arrows and the Stop Bar appear solid.
Deco - Main Display
The amount of decompression Credit time that you receive is de-
pendent on Depth, with slightly less Credit given the deeper you
are below the Stop Depth required.
You should stay slightly deeper than the Required Stop Depth indi-
cated until the next shallower Stop Depth appears. Then, you can
slowly ascend to, but not shallower than that indicated ceiling Stop
Depth.
Fig. 28 - Entry into Deco
Deco
Mode icon
a
b
30
DECO Stop Main (Default) Display information includes (Fig.
29) - Current Depth (and FT or M icon), Required Ceiling Stop
Depth and Time (and clock icon), Total Ascent Time (and wave/
clock/deco bar/profile Mode icon), and applicable Bar Graphs.
Total Ascent Time (Fig. 29a) includes Stop Times required at all
Ceilings and vertical Ascent Time calculated at 60 feet (18 meters)
per minute below 60 feet (18 meters) and 30 feet (9 meters) per
minute at and above 60 feet (18 meters).
To view Alternate Displays of information during Deco situations,
momentarily (< 2 seconds) press and release the button -
1 time to view Alternate Display 1
2 times to view Alternate Display 2
Alternate Displays will revert to the Main Display after 3 seconds.
DECO Stop Alternate Display 1 (Fig. 30)
Information includes - Current Depth (and FT or M icon), Max
Depth for that dive (and MAX icon), Elapsed Dive Time (and
wave/clock icon), Total Ascent Time (and wave/clock/deco bar/
profile Mode icon), and applicable bar graphs.
Press and release the Button to view Alternate Display 2.
Fig. 30 - Deco Alternate 1
Fig. 29 - Deco Main
a
31
Fig. 31 - Deco Alternate 2
DECO Stop Alternate Display 2 (Fig. 31)
Information includes - Current Depth (and FT or M icon), Tem-
perature (and degree icon with F or C graphic, Time of Day (and
clock icon), Total Ascent Time (and wave/clock/deco bar/profile
Mode icon), and applicable Bar Graphs.
Press the Button to return to the Main Display.
VIOLATION MODES
Violation Modes that the XR1 can enter are termed Conditional,
Delayed, and Immediate. Permanent Violation Mode and Viola-
tion Gauge Mode are continuations of these.
While in Violation Modes, Alternate Displays similar to those
described for Deco Mode can be accessed using the Button.
They will revert to the Main Display after 3 seconds.
Conditional Violation Mode
The XR1 will enter a Conditional Violation Mode if you Ascend
to a depth shallower (Fig. 32a) than the Required Decompres-
sion Ceiling Stop Depth displayed (Fig. 32b).
The Down Arrow, Stop Bar, and the Total Ascent Time display
will flash until you descend below the Required Stop Depth. Also
displayed will be Current Depth and applicable Bar Graphs.
Fig. 32 - Conditional Violation
a
b
32
If you descend below the required decompression ceiling before 5
minutes have elapsed, the unit will continue to function in Decom-
pression Dive Mode. In this case, no off-gassing credit will be
given, and for each minute you were above the ceiling 11/2 minutes
of Penalty Time will be added to Required Stop Time.
The added Penalty (decompression) Time will then have to be
worked off first, before obtaining off-gassing Credit.
Once the Penalty Time is worked-off, and off-gassing Credit be-
gins, required decompression Stop Depths and Time will decrease
toward zero, then the Nitrogen Bar Graph will recede into the yel-
low Caution Zone and operation will revert to the No Decompres-
sion Dive Mode.
Delayed Violation 1
If you remain above the Required Ceiling Stop Depth for 'more
than 5 minutes', the full Nitrogen Bar Graph and Total Ascent
Time display will flash (Fig. 33) until you descend below the Re-
quired Stop Depth. This is a continuation of Conditional Violation.
Delayed Violation 2
The XR1 cannot calculate decompression times for Stop Depths
much greater than 60 FT (18 M) and offers no indication of how
much time spent underwater would result in the need for a greater
Stop Depth.
Fig. 33 - Delay Violation 1
Flashing
33
If your Decompression obligation requires a Stop Depth 'be-
tween' 60 feet (18 meters) and 70 feet (21 meters), the full Nitro-
gen Bar Graph will flash (Fig. 34). Total Ascent Time will be dis-
played.
You must Ascend to just deeper than, staying as close as possible
to, 60 FT (18 M) without causing Total Ascent Time to flash.
When the Required Stop Depth indicates 50 FT (15 M), etc., you
can ascend to those depths and continue decompressing.
Delayed Violation 3
If you descend deeper than 330 feet/99.5 meters, or 399 feet/120
meters when operating in Digital Gauge Mode, the Up Arrow
will be displayed, the accumulated Nitrogen Bar Graph segments
will flash, and the Current Depth and Max Depth displays will only
indicate 3 dashes (- - -) (Fig. 35).
Upon ascending above 330 feet/99.5 meters, or 399 feet/120
meters when operating in Digital Gauge Mode, the Current Depth
display will be restored, however Max Depth will only display 3
dashes (- - -) for the remainder of that dive.
The Log for that dive will also only indicate 3 dashes (- - -) as the
Max Depth achieved.
Fig. 35 - Delay Violation 3
Fig. 34 - Delay Violation 2
Flashing
Flashing
35
On the surface, Violation Gauge Mode displays the Dive Number,
Temperature, Time of Day, Surface Interval, and the full Nitrogen
Bar Graph flashing (Fig. 38). It does not provide the Dive Planner
or the Time to Fly feature.
The countdown timer that appears with a single dash during the
Surface Sequence (Fig. 39) is only provided to inform you of the
time remaining before Normal operation can resume with full dive
computer features and functions.
This condition is considered a Permanent Violation, and in the
event that a dive is made during that 24 hour period, a full 24
hour surface interval must then be served before all functions
are restored.
Fig. 38 - Violation Gauge Mode
(on surface)
Flashing
Fig. 39 - Violation Gauge Mode
(Countdown to Normal)
36
USER SELECTED DIGITAL GAUGE MODE
When Digital Gauge Mode is set for ON, the XR1 will operate as a
Digital Depth Gauge/Timer without performing nitrogen calcula-
tions.
While in this mode, the range of the Current and Maximum Depth
displays are extended to 399 feet (120 meters) to accommodate ac-
tivities involving diving with advanced breathing gas mixtures or
free diving beyond the normal depth limit of the unit.
There is a Main Display providing Current Depth, Max depth, and
Elapsed Dive Time (Fig. 40).
Temperature and Time of Day can be viewed for 3 seconds as an
Alternate Display (Fig. 41) when the button is pressed and re-
leased.
Fig. 40 - Digital Gauge Dive
Alternate
Fig. 40 - Digital Gauge Dive
Main
37
POST DIVE MODES
WARNING: Prior to diving with the XR1, you must also read and
understand the AERIS Dive Computer Safety & Reference Manual,
Doc. No. 12-7203, which provides Important Warnings and Safety
Recommendations as well as general product information.
Produktspecifikationer
| Varumärke: | Aeris |
| Kategori: | Duikdator |
| Modell: | 750GT |
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