ALIGNMENT PROCEDURE:
)Equipment Required:
DSignalGenerator
DAudio Generator
DDeviation Meter
DAudio Voltmeter
1.
Connect the audio generator to the AUX
IN
jack
and set the output
to
20 mV at 1
KHz.
2.
Selectthe AUX pushbutton on
therront
panel.
3.
Adjust VR601 (locatedjust underthe
I1C
push-
button
on
the
front
panel)
to
maximum
counterclockwise.
4.
If
the base is configured
for
an RTS intercom
connect the load
to
the
llC
jack pn the rear
panel.
5.
Connect the audio voltmeter to the AUX OUT
0jackon
the
rear panel.
6.
Adjust VR101 for aminimum reading.
7.
Disconnect the generator and meter from the
AUXjacks and de-select the AUX pushbutton
on the front panel.
8.
Connect the signal generator to the Receive
Antennajack. Set the deviation to ±3KHz at
1
KHz.
Setthe output to 1m
V.
Setthe frequen-
cyto the channel 1frequency listed in the chart
of
the receive board alignment.
-I
9.
Select the channel 1pushbutton on the front
panel.
10.
Connect
the
deviation
meter
to the
ANT
TRANSjack.
11.
Connect the audio voltmeter to U106 pin
7.
12A. Onversion 1and 2audio boards, adjust VR102
for 300 mV
of
audio.
12B. On version 3and later audio boards with ver-
sion 1transmitboards, adjust VR102 for 1volt
of
audio.
12C. On version 3and later audio boards with ver-
sion 2transmit boards, first move the audio
voltmeter to U501 pin 16 (on the transmit
board). Then adjust VR102 for 140 mV
of
audio.
13. Adjust VR501 for ±4.2 KHz deviation.
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