Dangerous Music Monitor ST Bruksanvisning

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The Dangerous Music Monitor ST-SR user’s operating guide
Thank you for choosing products from the exciting line of Dangerous Music
recording equipment. Many years of dependable and trouble free service can
be expected from our gear. This has been made possible by careful design,
construction, and top shelf component choices by recording industry
veterans. The Monitor ST is designed to provide quick setup of a stereo
audio monitoring system complete with headphone and talkback system with
the minimum of fuss. The addition of an SR module may be made at any
time without rendering obsolete any part of the ST system to realize an
ergonomic and great sounding surround audio monitor.
There are many functions packed into the small space of ST, SR and the
Remote that controls the system. We tried to write this manual to be succinct
but there is much material to cover. While the ST is easy enough to use right
out of the box, reading this booklet will help the engineer to realize the full
benefits of this system’s function, calibration, and use.
1…………………………… introduction
2…………………………… safety review
3…………………………… overview
4…………………………… ST front panel
5…………………………… ST rear panel
6…………………………… connector pinouts
7…………………………… SR rear panel
8…………………………… SR front panel and alignment
9…………………………… Remote operation
13………………………….. Equipment Interface, grounding and shielding
16………………………….. Specifications
Safety Review
Certain precautions should be taken when using electrical products. Please observe the safety hints by
reading the manual and obtaining qualified help if necessary to adhere to the precautions.
1. Always use a properly grounded power supply cord with this product. Please do
not defeat the ground pin on the mains plug. This connection provides earth to the chassis and
signal grounds inside the device for clean and quiet operation.
2. Avoid high temperature operation in equipment racks by providing air
circulation. The number one killer of electronic gear is HEAT. Vented rack panels may look like
wasted space to an interior decorator, but they look like beauty to a technician or equipment
designer! If the front panel is hot, it is roasting inside the box.
3. Avoid areas of high magnetic fields. The steel chassis of ST SR- is designed to shield
the circuits from EMI and RFI (magnetic and radio interference). When installing equipment in
racks, it is prudent to put power amplifiers and large power supplies at least several rack spaces,
if not in a different rack, away from equipment that deals with low level signals. Separation of
high level and low level equipment can pre- empt trouble caused by heat and EMI.
4. The cable connecting the ST Remote to the rack unit must be a SHIELDED
Cat5-e cable. Please only use the cable that is included with the unit. Using an unshielded cable
will lift the Remote ground, leaving it susceptible to damage due to static charges. If you need a
longer cable run, please contact us.
5. If one is uncomfortable with opening gear and changing jumpers or making
adjustments, please seek qualified help if necessary.
6. If adjustments or jumper changes are required, please disconnect the mains plug
before opening the top. Dropped screws or tools on a live circuit board can manifest themselves
as burn marks and smoked components. While we feel your pain, (been there) subsequent damage
is not covered by the warranty.
Dangerous Music Incorporated reserves the right to change the specifications or modify the designs
of its equipment. Sending in the registration card is our way of keeping in touch with users of our
equipment should this become necessary. Registration information is always kept confidential and never
disclosed to third parties for any reason. Company contact information is on the last page of this manual.
-2-
The CE sign on this product signifies the fact that been tested and - ST SR have
verified to conform 1 to the applicable standards of 89/336/EEC. EN55103-
(emissions) EN61000-2 (immunity) and EN60065:2002 (safety requirements)
This product uses components of the types and quantities that comply with the
EC RoHS standard 2002/95/EC. A list of suppliers and materials is available
from DMI. We tightly control production to use top quality materials.
Overview
This signal block diagram gives an overall view of the flow in ST. The following pages
have back panel and front panel views to help in hooking up and adjusting the box.
Addition of the SR surround module is covered. The next section gives details of the
remote software and operation. Finally, a discourse on grounding, shielding, and making
installation go correctly is provided.
It was decided during the design to use no Digitally Controlled Amplifiers or Voltage
Controlled Amplifiers for level control. While DCAs are cheap and convenient, the
designers do not think that the sound quality shortcomings made up the difference and
developed a computer controlled transmission line attenuator for the main level controls.
This was (as usual) an expensive alternative but provides accurate level control,
repeatability, and in these designer’s views, the best sounding approach to remotely
controllable level adjustment available. In addition, the Computer Controlled Gain
System makes it easy for the end user to trim gains on individual inputs and speaker
outputs without the hassle or need of test gear to properly calibrate pots, other than an
SPL meter for the initial setup of the surround speakers. Interface with -10dBV and
+4dBu equipment is a button push away rendering the Semi/Pro gear problem a non-
issue.
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Produktspecifikationer

Varumärke: Dangerous Music
Kategori: Kontroller
Modell: Monitor ST

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