6.5.3 AVC OFF ALTERATION
The AVC
may
be remotely turned off in SPR-4’s with serial numbers above
1,000. This is obtained by altering connections to two terminals on the
power supply board
.
One
of these two terminals has two
white/bIue
wires attached .
Cut the jumper from these two terminals and
connect
an
external SPST switch across these terminals for AVC OFF operation.
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