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CONVENTIONAL FEATURES
49
3. Press the key until receiver noise is heard and then press until
the noise just mutes. To decrease or increase the selected level in steps
of 10 (or select the minimum or maximum level if this is not possible),
press FCN or FCN , respectively.
NOTE: Slight readjustment may be required if weak messages are not
heard or unsquelching occurs when no messages are present.
4. To exit this mode, press the FCN SQL again. Exiting also occurs auto-
matically after 2 seconds of no activity.
5. If both narrow and wide band channels are used, perform this adjust-
ment for each type because separate settings are maintained.
Monitoring Before Transmitting
General
Regulations require that conventional channels (groups) be moni-
tored before transmitting to make sure that they are not being used by
someone else. If you were to transmit when someone else is talking, you
would probably disrupt their conversation. Proceed as follows to auto-
matically or manually monitor conventional channels. In the LTR-Net
and LTR modes, monitoring is always performed automatically.
Automatic Channel Monitoring
If the selected group is programmed with the Transmit Disable On
Busy feature (see page 50), monitoring is performed automatically. If not,
it must be monitored manually using one of the methods which follow.
Busy Indicator
With scanning disabled and the squelch properly adjusted (see
page 48), note if “BUSY” is indicated in the display (see following illus-
tration). If it is, a signal is being detected on the selected group (channel)
and you should not transmit a message until it turns off.