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DR880 Digital Two-way Radio
Anysecu Instruction Manual
23
5.4
Keypad Lock
If the keypad is locked, the keys have no reaction when pressing key except the PTT key, Emergency
Alarm shortcut key, coding knob or the Keypad Lock key is pressed. Thus, it can avoid changing the
current channel and working status unconsciously.
Long press the Keypad Lock shortcut key to lock the keypad, and long press this key or “
*
” key to
unlock it.
You can turn on this function following these steps: “Setting” menu
”Keypad Lock” item
select “ON”.
5.5
TOT
This function forbids you from occupying the channel for a long time. If the continuous transmitting time
exceeds the setting time by dealer, the radio sends out a warning tone and stops transmitting. Release
the PTT key to stop the warning tone. After a period of time, which is set by dealer, you can transmit
again. And if the radio is programmed with pre-alert function by the dealer, the radio will send out an alert
before the time out timer expires.
5.6
Channel Scan
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