Shenzhen Kirisun Communications Co. Ltd. PT420001 Benutzerhandbuch

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Lights red while transmitting; lights green while receiving a signal.
Flashes red while in low battery power.

Rotate to select channel 1-16.

Turn clockwise to switch on the radio. 
Turn counterclockwise till a click is heard to switch off the radio.
Rotate it to adjust the volume after turning on the radio.

To make a call, press and hold the PTT button, then speak into 
the microphone in normal voice. 
Release the PTT button to receive a call.

Press to disable the SQUELCH, and enable  the SQUELCH 
again.

Press it in standby state, and the channel number will be 
annunciated. If press and hold this button, and at the same time 
switch on the radio again, the type of voice annunciation of 

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channel number will be changed. 

Press and hold this button for over 2 seconds to activate warning 
tone. Press it again to exit the emergency alert state. 
Note:
When warning tone sounds, all of the buttons are disabled. 

For connecting external Microphone/Speaker.

Switch On
 Switch on the radio by turning the 
Power/Volume switch clockwise till a click is 
heard, then the radio will be in the state of 
stand by and you will hear a beep if the dealer 
has set it. And then you will hear voice 
annunciation of the current channel number.

Adjust Volume
 Press the monitor button to listen to the 
background noise and rotate the Power/Volume 
switch to adjust volume.

Select Channels
  Rotate the channel selector to select channels. 
 You will hear voice from the speaker while 
receiving proper signals.
If voice annunciation of channel number has 
been set, the radio will annunciate the current 
channel number.