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GENERAL OPERATION
18
The current mode remains selected until the menu mode is
selected or transceiver power is cycled. The programmed default
mode is then selected if applicable.
Setting Squelch Control
NOTE: This sets the squelch level used for conventional calls. The
squelch level for LTR-Net and LTR calls is preset and not affected by
this adjustment. For more information on operating modes, refer to
page 19.
If conventional systems are programmed, the squelch level can
be set if the FCN option switch is enabled. Proceed as follows:
1. Select a conventional system and a group that is not busy. Take the
microphone off-hook to enable monitoring.
2. Press the FCN switch and then rotate the Select switch as you
would a normal squelch control. Rotate it counterclockwise until
receiver noise is heard and then clockwise slightly past the point
where the noise mutes. The squelch adjust mode is indicated by
“SQUELCH” on the upper line of the display, and the relative
squelch level is indicated by a bar graph on the bottom line.
3. To select the current level and exit this mode, press the Select
switch. This also occurs automatically 2 seconds after no change
is made or 8 seconds after no activity.
4. If both narrow and wide band channels are used, perform this
adjustment on both types because separate settings are maintained.
NOTE: Some readjustment may be required if weak messages are
not heard or unsquelching occurs when no messages are present.
Microphone Off-Hook Detect
Microphone off-hook detection can be disabled by program-
ming. Taking the microphone off-hook then does not disable scan-