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Low Battery Alert (Transmit Lockout)
If the radio is keyed and the user hears either a
low-pitched tone or two tones and the LOW BATT status
indicator is displayed, the battery is discharged and the
radio will not transmit. Pressing the PTT or CLEAR
button will reset the LOW BATT status indicator if either
is pre-programmed to perform this function. The radio
will still be able to receive calls until the battery is dis-
charged beyond the point of operation, after which the
battery will need to be recharged to resume normal
operation.
Key Press Alert
A short tone or "beep" sounds to indicate a key has
been pressed. A short low-pitched tone indicates no
action was taken because the key is not active in the
current mode.
OPERATION
KEYPAD LOCK/UNLOCK
The keypad can be locked at any time to prevent
undesired key presses. To lock the keypad when it is in
the unlocked state, press and release the key and
then within one (1) second press the OPTION button. All
buttons and keys except the PTT, OPTION,
CLEAR/MONITOR and EMERGENCY/HOME buttons
will now be inhibited. If the emergency function of the
EMERGENCY/HOME button is disabled, the home func-
tion will also be inhibited. If the button is enabled for
emergency or emergency/home function, the key is not
inhibited and an emergency can still be declared on the
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