Specifications

Receiver: CXR ALM upon a drop in incoming carrier level beyond the squelch setting or
the RF/IF section of the receiver is defective.
AFC ALM if the incoming carrier is off frequency or if the frequency determining
elements of the receiver are defective.
CXR AFC if both alarms are present.
CAUTION
An annoying remote alarm can be disabled by turning the channel "off". If this is done there
will be no alarm condition active to remind maintenance personnel there is a problem. The
channel may be brought on-line by someone unaware of the existing problem.
3-6. TROUBLESHOOTING.
In the event of difficulty with the 455 Subcarrier System, the following list of possible causes
should be reviewed prior to contacting the factory for repair. In the event that factory repair is
deemed necessary, please refer to Section 2-14, Repackaging, for information on returning the
unit.
455 Operation Manual Page 22 6/23/98
Audio sound quality not Transmitter set to "wide"
acceptable. Symptoms deviation with receiver
could include one or set for "narrow" deviation.
more of the following:
Combined composite signal
High distortion at the transmitter inputs
Poor frequency resp. may be excessive.
Sounds noisy
Transmitter DEViation
Receiver may also indi- control misadjusted.
cate an AFC alarm
intermittently.