AUDIO ISOLATION
TRANSFORMER
DAC-80
Instruction Manual
www.datavideo.com
Table of Contents
FCC COMPLIANCE STATEMENT ................................................ 3
WARNINGS AND PRECAUTIONS .............................................. 3
WARRANTY ............................................................................. 5
STANDARD WARRANTY ................................................................. 5
THREE YEAR WARRANTY ............................................................... 5
DISPOSAL ................................................................................ 6
1. INTRODUCTION ............................................................... 7
FEATURES ................................................................................... 7
SYSTEM DIAGRAM ........................................................................ 8
2. CONNECTIONS & CONTROLS ............................................ 9
FRONT PANEL .............................................................................. 9
REAR PANEL .............................................................................. 10
3. ELECTRONIC CIRCUIT DIAGRAM ..................................... 11
4. SPECIFICATIONS ............................................................. 11
SERVICE & SUPPORT .............................................................. 12
Disclaimer of Product and Services
The information offered i n this instruction manua l is intended as a guide on ly. At all times, Datav ideo
Technologies w ill try to give c orrect, complet e and suitable information. However, Datav ideo Technologie s
cannot exclude that some information in this manual, from time to time, may not be correct or may be
incomplete. This manual may co ntain typing e rrors, omissions or incorrect information. Da tavideo
Technologies a lways recommend that you double check t he information in t his document for ac curacy
before making any p urchase decision or using the product. Datavideo Technologies is not respons ible for
any omissions or errors , or for any subseque nt loss or damage caus ed by using the in formation contained
within this manual. Further advice on the content of th is manual or on the product can be obtained by
contacting you r local Datavideo Office or dealer.
FCC Compliance Statement
This device complies with part 15 of the FCC rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference
that may cause undesired operation.
Warnings and Precautions
1. Read all of these warnings and save them for later reference.
2. Follow all warnings and instructions marked on this unit.
3. Unplug this unit from the wall outlet before cleaning. Do not use liquid or
aerosol cleaners. Use a damp cloth for cleaning.
4. Do not use this unit in or near water.
5. Do not place this unit on an unstable cart, stand, or table. The unit may
fall, causing serious damage.
6. Slots and openings on the cabinet top, back, and bottom are provided for
ventilation. To ensure safe and reliable operation of this unit, and to
protect it from overheating, do not block or cover these openings. Do not
place this unit on a bed, sofa, rug, or similar surface, as the ventilation
openings on the bottom of the cabinet will be blocked. This unit should
never be placed near or over a heat register or radiator. This unit should
not be placed in a built-in installation unless proper ventilation is
provided.
7. This product should only be operated from the type of power source
indicated on the marking label of the AC adapter. If you are not sure of the
type of power available, consult your Datavideo dealer or your local power
company.
8. Do not allow anything to rest on the power cord. Do not locate this unit
where the power cord will be walked on, rolled over, or otherwise
stressed.
9. If an extension cord must be used with this unit, make sure that the total
of the ampere ratings on the products plugged into the extension cord do
not exceed the extension cord rating.
10. Make sure that the total amperes of all the units that are plugged into a
single wall outlet do not exceed 15 amperes.
11. Never push objects of any kind into this unit through the cabinet
ventilation slots, as they may touch dangerous voltage points or short out
parts that could result in risk of fire or electric shock. Never spill liquid of
any kind onto or into this unit.
12. Except as specifically explained elsewhere in this manual, do not attempt
to service this product yourself. Opening or removing covers that are
marked “Do Not Remove” may expose you to dangerous voltage points or
other risks, and will void your warranty. Refer all service issues to qualified
service personnel.
13. Unplug this product from the wall outlet and refer to qualified service
personnel under the following conditions:
a. When the power cord is damaged or frayed;
b. When liquid has spilled into the unit;
c. When the product has been exposed to rain or water;
d. When the product does not operate normally under normal operating
conditions. Adjust only those controls that are covered by the operating
instructions in this manual; improper adjustment of other controls may
result in damage to the unit and may often require extensive work by a
qualified technician to restore the unit to normal operation;
e. When the product has been dropped or the cabinet has been damaged;
f. When the product exhibits a distinct change in performance, indicating
a need for service.