TC-508 Owner’s Manual
14
Press and hold down the programmed Monitor Momentary key to activate this function (an
alert tone sounds); release the key to exit (the alert tone sounds twice).
Squelch Off
This feature allows you to always unmute the speaker, no matter whether carrier is present or not.
Operation:
Press the programmed Squelch Off key to activate this function; press the key again to
deactivate it. Or
Press and hold down the programmed Squelch Off Momentary key to activate this function;
release the key to deactivate it.
Note: When this function is enabled on current channel, you will hear audio signals (if any);
otherwise, background noise will be heard.
Scan
The feature allows you to listen to communication activities on other channels so that you can keep a
close track of your team members. The scan list can be set by your dealer.
Operation:
1. To activate this function, you may
press the programmed Scan key; or
switch to a channel enabled with the auto scan feature (programmed by your dealer).
Note: The radio will not start scan if there are less than two channels in the scan list.
2. After the feature is enabled, your radio will scan according to the scan list set for the channel on
which scanning starts. The scanning process is as follows:
The LED flashes green during scanning.
When communication activities are detected on a channel, the radio will stay on the channel to
receive current activities. Meanwhile, the LED glows green.
If the Talk Back feature is enabled by your dealer, press and hold down the PTT to reply when
the radio stays on a certain channel.
You can scan the frequently used channel if the priority scan feature is enabled. When scan
stays on a non-priority channel, the radio will keep detecting activities on the priority channel.
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