22
Enabled Disabled
Selectable Squelch Level (SQL)
1. Press
the
SQL
key (programmable function key), and the LCD displays the current squelch level as
shown below:
2. Select the desired squelch level via the programmable function key
▲
/
▼
.
3. Press any key of
P1
-
P4
to save the selected squelch level. The LCD resumes its initial display.
Note:
High squelch level may cause the radio to ignore weak signals; while low squelch level may
cause noise or other unwanted interference.
User Selectable CTCSS/CDCSS (UST)
If the UST feature is enabled by your dealer, the user can temporarily change the CTCSS/CDCSS codes
preset on the current channel. Operations are as follows:
1. Select a desired channel.
2. Press the programmed
UST
key, and the radio enters the UST mode.
3. Use the
▲
/
▼
keys to make a selection from the preset UST codes (the newly selected
CTCSS/CDCSS code is valid in the UST mode only), then the CTCSS/CDCSS code on the current
channel is set as the selected UST code.
4. Press
the
UST
key again to exit the UST mode, and then the LCD resumes its initial display.
Note:
The UST code will be automatically memorized after channel switch or power-off if the UST
BackUp function is enabled. Otherwise, no codes will be memorized.
Public Address (PA)
The PA feature amplifies audio inputted from the microphone, and the audio can be heard from the
external speaker.
1. Press the programmed
PA
to activate the PA feature, and then the LCD displays PA.
Press
PA
again to disable the PA feature, and then the radio returns to normal user mode.
2. In PA mode, the radio is unable to transmit and receive.