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Monitor indicator: indicates that the channel monitor
function is activated.
Key lock indicator: indicates that the keypad is locked.
Beep On/Off indicator: indicates that the beep button
confirmation tone is selected.
Roger beep tone On/Off indicator: indicates that the roger
beep tone is on.
Memory Button: indicates that the memorized channel and
CTCSS are selected.
Battery indicator: indicates the battery charge level.
Receive signal strength indicator: indicates that a signal is
being received.
Coded tone controlled squelch system(CTC) indicator:
indicates that the CTCSS tone function is active.
Scan indicator: indicates that scan is enabled.
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