Icom IC-F3/S Instruction Manual page 8

6
© DTMF RE-DIAL FUNCTION
This function allows you to transmit the last-used DTMF code
at the push of a key.
To activate the function:
Push the [DTMF RE-DIAL] switch momentarily.
© HIGH/LOW POWER OUTPUT
This function selects high or low power for a channel.
To toggle between high and low power:
Push the [HIGH/LOW] switch.
*"LOW'" appears when low output power is selected.
© EMERGENCY FUNCTION
The emergency function allows you to send your ID quickly
and easily to your Base Station, etc. in case of emergency.
To activate the emergency function:
© DISPLAY LIGHTING
The function display has 3 backlight conditions.
OFF: No backlight is available.
AUTO: When any key is pushed, the backlight turns ON for 5
sec. automatically.
CONTINUOUS: Backlight turns ON continuously after power
ON.
© SmarTrunk IIM functions
This transceiver provides SmarTrunk II™ functions.
(Optional UT-105 SmarTrunk II™ Logic Board is required.)
(See p.9 for more detailed operation.)