Time Out Timer (Tot); Battery Save; Low Battery Alert; Busy Channel Lockout - HYT TC2108U User Manual

1, Press [SCAN] while holding down [MONI] to lock keys. When keys are locked, [UP],[DOWN]
and [SCAN] keys are inoperable, but [PTT] and [MONI] keys will still function.
2, Press [SCAN] while holding down [MONI] to unlock keys.
3, lock symbol appears on LCD:

Time Out Timer (TOT)

Time Out Timer is to prevent user from transmitting on the same channel for extended periods of time.
This also protects the radio from damage caused by accidental transmissions.
If transmission exceeds the preset time, (the TOT time can be preset by the dealer), the radio will stop
transmitting and return to the receive
Releasing the PTT button will cause the beeps stop.

Battery Save

While no activity is on channel and no operation is performed for 5 seconds, the Battery Save feature
will automatically be switched on to reduce power consumption. When a signal is received or an
operation is performed, the Battery Save feature is automatically switched off.

Low Battery Alert

When the battery voltage becomes low, the red LED will flash and beeps are sounded. You need to
replace or charge the battery.
Busy Channel Lock Out
If the selected channel is set for busy channel lock out, by your dealer, you cannot transmit when
there is activity on that channel. If you press the PTT button, the radio will sound beeps and will
stay in the receive mode.

Backlight

This feature can be enabled by the dealer.
When this feature is enabled, pressing any key except the PTT will illuminate the display. The display
will stay lit for 5 seconds.
mode. Alert beeps will sound to indicate the halt in transmission.
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