Operating instructions

ADCOM TECHNICAL SERVICE DEPT..
11 ELKINS ROAD
EAST BRUNSWICK, NJ 08816
(201) 390·1130
When calling or writing about your tuner, be sure to include the model and serial number of your
unit, as well as the date
of purchase and the dealer from whom the unit was purchased. In the event that
the
unit must be returned to us for service, you will be instructed as to the proper procedure when you
call
or write for return authorization.
UNDER NO CIRCUMSTANCES SHOUl,.D
YOUR UNIT BE SHI PPED TO THE FACTORY WITHOUT PRIOR
AUTHORIZATION, OR WITHOUT THE ORIGINAL CARTON AND FILLERS.
If the original shipping carton has been lost
or discarded, or if the carton is not in good condition,
a duplicate carton may
be obtained from our service department for a nominal charge.
Always ship PREPAID via UPS
or other recognized surface carrier. DO NOT SHIP VIA PARCEL
POST, since the packing will n.ot withstand rough mail handling. We are forced to refuse most Parcel Post
shipments since they arrive in such poor condition. FREIGHT COLLECT SHIPMENTS CANNOT BE
ACCEPTED.
SECTION 7
ADCOM PROTECTION PLAN (U.SA. ONLy)
ADCOM offers the enclosed LIMITED WARRANTY. Please read the details on the warranty card
carefully to fully understand the extent
of the protection offered by the warranty, its limits, and what
responsibilities
are required of you in order to obtain its benefits.
,-- ----········-----CAUTION----
POWER LINES
An outdoor antenna should be located away from power lines.
OUTDOOR ANTENNA GROUNDING
If an outside antenna is connected to the tuner, be sure the antenna system is grounded so as
to provide some protection against voltage surges and built up static charges. Section 81 0 of the National
Electrical Code, ANSIINFPA No.
70-1978, provides information with respect to proper grounding of the
mast
and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of
grounding conductors, location of antenna·discharge unit, connection to grounding electrodes, and
requirements for the grounding electrode.
FIGURE 65.1
EXAMPLE OF ANTENNA GROllNDING AS
PE R NATIONAL ELECTRICAL CODE INSTRUCTIONS
(a) Use No. 10 AWG copper or No.8 AWG
aluminum or No. 17 AWG copper· clad steel or
bronze wire, or larger as ground wires for both
mast and lead·in.
(b) Secure lead-in wire from antenna to antenna
discharge unit and mast ground wire to house
with stand·off insulators, spaced from 4 feet
(1.22
meters) to 6 feet (1.83 meters) apart.
MAST
(c) Mount antenna discharge unit as closely as
GROUND
possible to where lead·in enters house.
WIRE'"
881682
SUITABLE GROUNDING
ELECTRODE DRIVEN
8 INTO THE EARTH
(2.44 METERS)
6