Model 1421
Distribution Amplifier
Installation and Operating Instructions
The 1421 Distribution Amplifier provides four independent, wide bandwidth outputs from one video input.
The unit is color compatible and also includes a video presence circuit to visually indicate proper system
operation.
Part number 8000- 0852- 01 B0
The software/firmware furnished with this equipment is confidential to and is copyrighted by AMERICAN
DYNAMICS. It is not to be copied or di sclosed in any manner without the express written consent of
AMERICAN DYNAMICS. The software/firmware is furnished to the purchaser under a license for use on
a single system.
Note: Information furnished by AMERICAN DYNAMICS is believed to be accurate and reliable.
However, no responsibility is assumed by AMERICAN DYNAMICS for its use; nor for any infringements
of other rights of third parties, which may result from its use. No license is granted by implications or
otherwise under any patent or patent rights of AMERICAN DYNAMICS.
The installation of this product should by made by qualified
service personnel and should conform to all local codes.
CAUTION
RISK OF ELECTRIC SHOCK
!
DO NOT OPEN
CAUTION: To reduce the risk of electric shock, do
not remove covers (or back).
No user-serviceable parts inside.
Refer servicing to qualified service personnel.
To reduce the risk of fire or shock hazard, do
not expose this product to rain or moisture.
Warning: This product generates, uses, and can
radiate radio frequency energy and if not installed
and used in accordance with the instruction manual,
may cause interference to radio communications. It
has been tested and found to comply with the limits
for a Class A computing device pursuant to Part 15
of FCC Rules, which are designed to provide
reasonable protection against such interference
when operated in a commercial environment.
Operation of this product in a residential area is
likely to cause interference in which case the user
at his own expense will be required to take
whatever measures may be required to correct the
interference.
!
The lightning flash with an arrowhead symbol,
within an equilateral triangle, is intended to alert the
user to the presence of uninsulated “dangerous
voltage” within the product’s enclosure that may be
sufficient magnitude to constitute a risk of electric
shock to persons.
The exclamation point within an equilateral triangle
is intended to alert the user to the presence of
important operating and maintenance (servicing)
instructions in the literature accompanying the
product.
UNPACKING AND INSPECTION
Unpack carefully. This is an electronic product and should
be handled as such. Compare the items received with the
packing list with your order.
Be sure to save:
1. The shipping cartons and insert pieces. They are the
safest material in which to make future shipments of
the product.
2. The IMPORTANT SAFEGUARDS sheet.
3. These Installation and Operating Instructions.
MAINTENANCE
User maintenance of this unit is limited to external
cleaning and inspection. For specific recommendations,
refer to the IMPORTANT SAFEGUARDS sheet packaged
with this product.
INSTALLATION AND SERVICE
If you require information during installation of this
product or if service seems necessary, contact the
American Dynamics Video Products Division. You must
obtain a Return Autho rization Number and shipping
instructions before returning any product for service.
Do not attempt to service this product yourself. Opening
or removing covers may expose you to dangerous voltages
or other hazards. Refer all servicing to qualified perso nnel.
QA301D