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 SB 740-91-01
Step
Setting and Instructions
Normal Indication
7
(con't)
(f) During "TEST NUMBER 712"
Waveform amplitude = 600 myp-p min.
observe an FSK Audio Tone
on the oscilloscope.
(g) Press "PNL TEST".
Menu displayed.
8.Communications Channel Test
(a) Connect one W7/W10 cable to
JI (CHI) and the second cable
to J2 (CH2).
(b) Set the following controls on
the RT524/VRC radio sets to
the indicated positions
BAND
53-75 MHZ
TUNE
65.00 MHZ
SQUELCH
NEW/OFF
SPEAKER
ON
CAUTION
Be sure the dummy load is connected to the ANT
connectors on both radios.
(c) Remove the wire loops from
Chan 1 to Chan 2 on the BCU.
(d) Set the POWER switch on the
VRC-46 to low.
CAUTION
Never set the POWER switch to
high on the VRC-46 radios,
damage may result to the antenna
load box.
(e) On keyboard enter 'A781" allow
A test message shall be displayed
these series of tests to run
on the plasma panel. Each series
twice. Adjust radio volume
of tests shall consist of 2 trans-
controls as necessary.
mission, one from Channel 1 to
Channel 2, the second from Channel
2 to Channel 1, for a total of four
transmissions for the two tests, at
the end of which an indication of
"COMPLETE" shall be obtained on the
display.
Change 1 B-130.7
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