Note: If the squelch level is set too high, you may not effi-
ciently receive weak signals; if the level is set too low, you
may hear a constant white noise, a sputtering noise, or
unwanted signals.
User Selectable Tone (CTCSS/DCS)
This function can be programmed by your dealer to tempo-
rarily change the preset CTCSS/DCS frequency on a
channel.
1. Select your desired channel.
2. Press the key programmed as [UST] to enter the UST
mode.
3. Use the Selector Knob to select a desired UST code/
name. The selected CTCSS/DCS frequency is valid only
in UST mode.
4. Press the [UST] key again, the radio exits from UST
mode and the LCD returns to the original display mode.
Public Address
This function can be used to amplify all the audio from the
speaker and output the audio through external speaker.
1. Press the key programmed as [PA] to activate Public
Address function. “PA” appears on the LCD display.
Press the key again to deactivate this function and re-
turn to normal user mode.
2. In PA mode, no transmission and reception occurs.
3. Hold down the [PTT] key and speak into the microphone,
your voice can be heard from the external speaker that
is connected to the radio. “PA On” appears on the LCD
display.
4. Release the [PTT] key, the public address process halts
and “PA” appears on the LCD display.
Notes:
z
z
z
z
z
In Public Address mode, turn the volume knob to adjust
the volume.
z
z
z
z
z
To use this function, the dealer should install public
address optional accessory and external speaker.
Programmable Auxiliary Functions
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