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1 BASEPLATE
2 LIQUID FILLED CAPSULE
3 CLINOMETER *
4 DECLINATION SCALE (FIXED)
5 DECLINATION ADJUSTMENT *
6 COMPASS NEEDLE
7 TURNABLE COMPASS HOUSING (BEZEL)
8 GRADUATION RING / GRADUATION SCALE
9 ORIENTING LINES / ORIENTING ARROW (NORTH ARROW)
10 SCALES
11 INDEX LINE
12 STENCIL HOLE *
13 MAGNIFYING LENS *
14 DIRECTION OF TRAVEL ARROW
15 LUMINOUS MARKINGS/RING *
16 RUBBER FRICTION FEET *
COMPASS MANUAL
BASEPLATE COMPASSES
1
BASEPLATE COMPASSES
The baseplate compass is a practical, simple to use, liquid
filled compass that features a baseplate which is marked
with a red arrow pointing along the long axis, and a rotating
compass housing marked in degrees. Baseplate compasses
are ideal for taking quick bearings and map use.
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BASIC
COMPASS FEATURES
HOW TO
NAVIGATE
EASY AS 1-2-3
N
A
B
1-2-3
Place your compass on the map and
use the to make a straight baseline
line between your current position and
your destination.
Make sure Direction of Travel arrow
points towards your destination.
1-2-3
Turn the compass housing until the
red part of the north/south arrow is
parallel with the map meridians and
points north on the map.
1-2-3
Lift your compass from the map and
hold it horizontally in your hand. Turn
yourself and the compass until the red
end of the needle is inside the red north/
south arrow. Now the direction of travel
arrow will point towards your destina-
tion. Take a landmark and start moving.
Enjoy!
ORIENTING THE MAP TO NORTH
The easiest way to use a map and compass together is to
orient the map towards North. Simply align the map merid-
ians with the compass needle so that “up” on the map is
pointing North. Now everything on the map is in the same
direction as on the ground. When travelling along your route,
remember to keep the map oriented at all times. By doing
this it will be very easy to follow your route since turning right
on the map also means turning right on the ground! Properly
orienting the map is quick, easy and the best way to avoid
unnecessary mistakes during your trip!
THE SILVA 1-2-3 SYSTEM
MAGNETIC DECLINATION
When compass and map are used together it’s important to know the local
magnetic declination and how to compensate for it. Magnetic declination is the
dierence between Geographic North/True North (where the map meridians
point) and Magnetic North (where the North end of the compass needle points).
In areas with significant declination, adjustments must be made to walk a
correct bearing. Information concerning the amount and direction of magnetic
declination is shown on topographical maps with a diagram. Use an up-to-date
map for current declination.
Declination can be handled either with a or fixed declination scale declination
adjustment in the compass capsule. Read more further down in this manual.
BEFORE HEADING OUT
• Always check that your compass is functioning properly before heading out.
• Never expose your compass to extreme temperatures (high or low) or to mag-
netic fields such as knives, mobile phones, radio speakers, magnets etc. Such
exposure can cause permanent damage to the compass. * Features may vary between
dierent compass models
N
A
B
COMPASS MANUAL
BASEPLATE COMPASSES
8 GRADUATION RING / GRADUATION SCALE
The angle between true North and the direction of travel is called bearing (the direc-
tion from where you are, to where you want to go). The value of this angle can be read
directly o the scale on the graduation ring. Our compasses have either a graduation
scale divided into 360 degrees or 6400 mils. The Graduation ring is also marked with
the cardinal points (N-S-E-W) on some models.
If you rotate the graduation ring to line-up the red north of the to the compass needle
North arrow, a bearing can be taken from the graduation scale at the index line.
9 ORIENTING LINES / ORIENTING ARROW (NORTH ARROW)
All our outdoor compasses have red/black north-south lines and arrow in the capsule
bottom ensure easy and safe settling. The lines and arrow are fixed within the com-
pass housing, aligned to north on the and designed to be aligned with graduation ring
the map meridians. Half the lines/arrow are coloured red to indicate north. The lines
are used to align the compass housing with the map in step 2, when navigating with
the SILVA 1-2-3 system.
10 SCALES
On the you’ll find scales for measuring distances etc. on a map. The type baseplate
and number of scales varies between each SILVA compass model. The scales and
prints on most SILVA compasses are “hot stamped” to ensure extra durability.
MAP MEASURING SCALES
A map is a reduced picture of the terrain. The determined proportion between the
distances on the map and the corresponding distance on the ground is called a map
scale. To obtain the corresponding distance in the field, the distance on the map
must be multiplied by the divider of the scale. The most common scales are 1:10 000,
1:15 000, 1:25 000 and 1:50 000. For example, the scale 1:10 000 means that 1 cm on
the map corresponds to 10 000 cm = 100m in the terrain.
RULER
If the map scale is 1:50 000, and your compass has the corresponding map measuring
scale, use this to measure distance.
If your compass lacks the corresponding , use the regular Metric map measuring scale
or Imperial Ruler found on the edge of the baseplate.
Example: If the map scale is 1:50 000, then 1 mm on the map = 50m in the terrain.
Example: If the map scale is 1:24 000, then 1 inch on the map = 24000 inches (2,000
feet) in the terrain.
ROMER SCALES
Use the Romer coordinate scales on the baseplate
to measure distance or accurately work out a six-
figure grid reference that lets you determine the
coordinates of a known position on the map (or to
determine the position of known coordinates on
the map).
11 INDEX LINE
The index line is fixed beneath, or at the outer edge of the as an graduation scale
extension of the . It marks the bearing you set by rotating the direction of travel arrow
compass housing.
If you rotate the graduation ring to line-up the red north of the to the compass needle
North arrow, a bearing can be taken from the graduation scale at the index line.
12 STENCIL HOLE
The baseplate has one or several stencil holes for adding map symbols/marking posi-
tions on map with pen/pencil – increasing precision.
13 MAGNIFYING LENS
Built in magnifier for detailed map reading.
14 DIRECTION OF TRAVEL ARROW
The direction of travel arrow shows the direction that you want to travel along or the
bearing you are taking. It is fixed parallel to the sides of the baseplate and aligned
with the fixed index line on the edge of the compass housing.
15 LUMINOUS MARKINGS/RING
Our compasses have luminous markings and/or graduation
ring for compass reading in the dark. Once activated by
daylight/flashlight they will give light up to 4 hours of light.
The markings are commonly placed at the direction of travel
arrow, the North arrow, the index line and north part+pivot of
the compass needle.
16 RUBBER FRICTION FEET
Silicon rubber friction feet for precision map work. Placed at the bottom side of the
baseplate.
BASEPLATE COMPASSES
BASIC
COMPASS FEATURES
1 BASEPLATE
Highly durable baseplate in transparent acrylic plastic. Use the edge of the baseplate
to get your bearing. Most SILVA compasses has a curved up back end to make it sit
more ergonomic in your hand.
2 LIQUID FILLED CAPSULE
The capsule is filled with anti-static liquid (customized formula) that ensures clear
reading, fast settling time, perfect dampening, stability and accuracy of the needle.
3 CLINOMETER
The clinometer can be used for measuring slopes of terrain, heights, etc.
Rotate the until “W’ (270°) is at the . Hold compass at eye Graduation ring Index line
level, on its side. The clinometer needle should move freely. Tilt the compass upward,
with the terrain. Read inclination from where the inclination needle meets the declina-
tion scale.
4 5 DECLINATION SCALE (FIXED) / DECLINATION ADJUSTMENT
ABOUT DECLINATION
When compass and map are used together it’s important to know the
local magnetic declination and how to compensate for it.
Magnetic declination is the dierence between Geographic North/True
North (where the map meridians point) and Magnetic North (where the
North end of the points). In areas with significant deccompass needle -
lination, adjustments must be made to walk a correct bearing. Informa-
tion concerning the amount and direction of magnetic declination is
shown on topographical maps with a diagram, identifying Magnetic
North (MN) and the degree variance from True North (TN). Use an up to
date map for current declination.
FIXED SCALE
Most SILVA compasses have a fixed declination correction scale inside the capsule to
simplify the calculations required.
How to:
Identify the declination variance from your map.
In this example, 20° east.
Follow the instructions in the SILVA 1-2-3 system. Before
taking a landmark in step 3, turn yourself until the red end
of the points to 20° on the “E.decl.” scale. compass needle
Keep the compass steady and turn the compass housing
until the coincides with the red end of the North arrow compass needle once again.
Now the will point towards your destination. Take a landmark direction of travel arrow
and start moving.
ADJUSTMENT SCREW
Some SILVA compasses have a declination adjustment screw, located on the bezel.
A small screwdriver can be found inside the safety
release of the included lanyard.
How to:
Identify the declination variance from your map.
In this example, 20° east.
Turn the screw on the until the bottom side of the bezel
North Arrow meets the 20° at the “E.decl” scale.
Remember to use the at the bottom of orienting lines
the capsule and NOT the as map North North Arrow
reference lines when taking the bearing on the map. After
you have adjusted your compass for declination, the
compass needle still points towards magnetic north.
6 COMPASS NEEDLE
Swedish high quality, stainless steel, magnetic needle. The combination of a sapphire
jewel bearing and a hardened steel pivot minimises friction, which in turn gives rapid
and accurate movements. Magnetic North direction accuracy: 1 degree.
The red end points to magnetic north!
7 TURNABLE COMPASS HOUSING (BEZEL)
Use the turnable compass housing to set your bearing or when navigating with the
SILVA 1-2-3 system. Some of our compasses are equipped with a rubber, tactile grip
ring to make the housing easier to adjust.
20˚
20˚
E. decl.
on map
BASEPLATE COMPASSES
COMPASS ACCESSORIES
FEATURES
SCALE LANYARD
The scale lanyard makes it easier to quickly make a distance judge-
ment of your route or to plan your route in advance. The distance
lanyard has 2-4 scales on it; 1:24 000, 1:25 000, 1:50 000, and 1:62
500, which facilitates to measure the distance of your hike. Since
the lanyard is soft and bendable it’s easy to place it directly on to
your route on the map.
The lanyard has a safety release that opens if the lanyard gets
stuck.
For compasses that have declination adjustment, simply use the
screwdriver in the lanyard’s safety release to make the adjustment.
Pull the safety release apart and use the screwdriver to turn the
screw on the bezel.
SLOPE CARD
The slope card is great both for detecting avalanche risk and for determining how chal-
lenging your journey will be. By knowing the slope you can also judge any extra distance
that you need to go due to the slope.
Left side is for the following map scales:
1:25k, Contour Interval 5
1:50k, Contour Interval 10
1:100k, Contour Interval 20
1:24k, Contour Interval 20 (US version)
Right side is for map scale:
1:25k, Contour Interval 10
1:24k, Contour Interval 40 (US version)
Contour interval is the number of contours in between the
index contours (thicker contours on the map)
The centre of the slope card gives you information on the
extra distance you need to walk per 100 meter (yards, US
version) at that specific angle. For example when walking
a slope with an angle of 45 degrees you need to walk an
extra 41m (yd) per 100 meters (yards).
How slope card is used:
Determine map scale and contour interval that is written on the map
Determine the angle that matches the index contours (thicker contour lines). This will give
you the actual angle on that specific place on the map. If the map are missing index con-
tours you can measure between the individual contours. This measurement is not as exact.
By matching the map index contour or contour lines with the lines on the card, the
slope angle can be determined. Below example shows matching of the index contour
lines.
COMPASS MANUAL
BASEPLATE COMPASSES
CAN I USE MY COMPASS IN ANY PART OF THE WORLD?
Most SILVA compasses are balanced for one of three magnetic zones. Using your
compass in the “wrong” zone will cause the needle to tilt and may result in it get-
ting stuck against the roof/floor of the capsule and showing an incorrect north.
SILVAs compasses are balanced in three dierent zones:
MN (Magnetic North), ME (Magnetic Equator), MS (Magnetic South).
Make sure to buy a compass for the magnetic zone you will navigate in.
MN
ME
MS
SILVA GLOBAL COMPASSES
Some of our most popular compasses have now been equipped with a global
needle that can be used in all three magnetic zones.
The global needle makes the compass flexible and possible to use all around the
world. Read more at www.silva.se.
TAKE CARE OF YOUR COMPASS
A SILVA compass will, if treated carefully, be a navigation partner for many, many
years. Always check that your compass is functioning properly before heading out.
• Never expose your compass to extreme temperatures (high or low)) – this can
deform the plastics with a leaking compass capsule as a result.
• Avoid dropping the compasses on hard surfaces and handle it with care.
• Don’t store or place the compass close to strong magnetic fields such as knives,
mobile phones, radio speakers, magnets etc. This can cause reversed polarity of
the compass needle which will result in it pointing south instead of north.
WARRANTY
SILVA warrants that, for a period of five (5) years, your SILVA product will be
substantially free of defects in materials and workmanship under normal use.
SILVAs liability under this warranty is limited to repairing or replacing the prod-
uct. This limited warranty extends only to the original purchaser. If the product
proves defective during the warranty period please contact the original place of
purchase. Make sure to have your proof of purchase on hand when returning the
product. Returns cannot be processed without the original proof of purchase.
This warranty does not apply if the product has been altered, not been installed,
operated, repaired, or maintained in accordance with instructions supplied by
SILVA, or has been subjected to abnormal physical or electrical stress, misuse,
negligence or accident. Neither does the warranty cover normal wear and tear.
SILVA is not responsible for any consequences, direct or indirect, or dam-
age resultant from use of this product. In no event will SILVAs liability exceed
the amount paid by you for the product. Some jurisdictions do not allow the
exclusion or limitation of incidental or consequential damages, so the above
limitation or exclusion may not apply to you. This Warranty is valid and may be
processed only in the country of purchase.
MORE
INFORMATION

Produktspecifikationer

Varumärke: Silva
Kategori: Inte kategoriserad
Modell: Compass

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