TC-508 Owner’s Manual
16
Battery Strength Indicator
This feature allows you to know the current battery strength.
Operation:
Press and hold down the programmed
Battery Strength Indicator key, and the LED glows to
indicate remaining battery strength by different colors
.Release the key to exit. The following table
lists different colors representing different battery strength levels
LED Indicator Battery Strength
Green LED glows. High
Orange LED glows. Medium
Red LED glows. Low
Low Battery Alert
This feature allows you to know the low battery status. When battery power runs low, the LED will flash
red, and the low-pitched tone will sound periodically. In this case, please replace or charge the battery.
Note: When the battery strength is insufficient, the programmed Battery Strength Indicator key
will become unavailable; when the battery strength is drained, transmission will be
prohibited; if you press PTT in such situations, the radio will sound an alert to warn you.
Channel Lock
This feature can avoid unexpected channel change due to rotation of Channel Selector knob
accidentally.
Operation:
Press the programmed Channel Lock key to enable the feature (an alert tone sounds); press the
key again to deactivate it (the alert tone sounds twice). When this function is activated, the radio will
stay on the current operating channel even if you rotate the Channel Selector knob.
Note: This function will be deactivated if the radio is powered off and back on, or it is
programmed.
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