Icom IC-F31GT Instruction Manual page 18

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PROGRAMMABLE FUNCTIONS
D DTMF TRANSMISSION
This function allows you to send a pre-programmed DTMF code to
control a repeater, open another transceiver's squelch, etc.
Manual transmission:
Push desired digit keys in sequence while pushing [PTT].
• Pushing [PTT] may not be necessary depending on programming.
Automatic pre-programmed transmission:
q Push the [DTMF Autodial] switch to select DTMF autodial mode,
then push [CH Up] or [CH Down] to select the desired channel.
w Push the [DTMF Autodial] switch to send a DTMF code.
D DTMF RE-DIAL FUNCTION
This function allows you to transmit the last-used DTMF code at
the push of a key.
Push the [Re-dial] switch momentarily to activate the function.
• The previously transmitted DTMF code is automatically transmitted.
• If no code has been transmitted since turning the power ON, this func-
tion does not activate.
D EMERGENCY FUNCTION
The emergency function allows you to send an emergency signal
quickly and easily to your base station, etc. in case of emergency.
Push and hold the [Emergency Single/Repeat] switch for 1 sec. to
activate the emergency function.
• The transceiver selects a pre-programmed channel, then sends an
emergency signal to your base station.
• The pre-programmed channel remains selected until a control signal
is received from the base station, or power is turned OFF.
• The emergency call is repeatedly transmitted at pre-programmed in-
tervals.
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