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key lock
Press the key programmed as Key Lock to lock the transceiver front panel and
microphone keys.
• When any key is pressed while Key Lock is active, “LOCKED” momentarily appears on
the display.
Press the Key Lock key again to unlock the keys.
SignAl Strength
The Signal Stength indicator shows the strength of received signals:
Strong Sufcient Weak Very Weak
public AddreSS (pA)
The PA system can only be used with an external speaker.
1 Press the key programmed as Public Address to activate the Public Address
function.
• The icon appears on the display.
2 Press and hold the PTT switch, then speak into the microphone to make your
address through the external speaker.
3 Press the Public Address key again to exit Public Address.
horn Alert
Press the key programmed as Horn Alert to toggle the Horn Alert function ON or
OFF.
• The icon appears on the display while Horn Alert is activated.
externAl SpeAker
After attaching an external speaker to the transceiver, p
ress the key programmed
as External Speaker to output all received signals through the external speaker.
• The icon appears on the display.
Press the External Speaker key again to output all received signals only through
the built-in speaker.
diSplAy brightneSS
You can cycle the display brightness between high, low, and off by pressing the
key programmed as LCD Brightness.