Giant Electronics Ltd P1808 Manual De Usuario

changed channels. When priority scan feature is enabled, the priority channel will be scanned after every normal channel, 
no matter the priority channel is added into scan list or not. 
 
To start scanning, briefly press SCAN key. The scan indicator 

 is shown. 

 
When the radio detects channel activity, it stops scanning and you can hear the transmission. To respond to the 
transmission, press PTT. 
 
If scan stops on a channel that you don’t want to listen, briefly press UP or DOWN button to resume scanning for the 
next active channel. 
 
To exit the function, press SCAN key again. 
 

 

The adjustable Squelch allows you to optimize the radios sensitivity. It also allows you to increase the sensitivity and receive 
weaker signals. There are 5 decreasing levels of sensitivity. 

 

1． Press MON/FUN until the current squelch level flashes and 

 appears. 

2． Press UP/DOWN button to increase or decrease the squelch level. 
3． Press PTT to set or MON/FUN to continue set up. 
 

Note: Level 1 (

  and one bar icon display) is the most sensitive level, which means the radio can receive very weak signal. 

While at level 5, the radio can only receive at strong signal. 
 

You may enable or disable the speaker key tones. You will hear the key tone each time a button is pushed.   

1． Press MON/FUN until 

  appears. The current setting 

/ 

flashes and 

 

appears. 

2． Press UP/DOWN to turn on or off. 
3． Press PTT to set or MON/FUN to continue set up. 
 

If this feature is enabled, the radio transmits a unique tone when you finish transmitting. In the same way as saying “Roger" or 
"Over", it lets others know you are finished talking. 

1． Press MON/FUN until 

  appears. The current setting 

/ 

flashes. 

2． Press UP/DOWN to turn on or off. 
3． Press PTT to set or MON/FUN to continue set up. 
 

The busy channel lockout feature helps to ensure not interrupt the communication between the radios using the channel 

which you selected. When you press PTT to transmit, the radio will generate a beep and 

  will appear to alert 

you the channel you selected is busy. 

1． Press MON/FUN until 

  appears. The current setting 

/ 

flashes. 

2． Press UP/DOWN to turn on or off. 
3． Press PTT to set or MON/FUN to continue set up. 
 

The current channel can be added to scan list or delete from scan list. 

1． Press MON/FUN until 

  appears. The current setting 

/ 

flashes. 

2． Press UP/DOWN to select. “

” means add the channel to scan list and 

 will appears.  “

” means delete the 

channel from scan list and 

 will appear. 

3． Press PTT to set or MON/FUN to continue set up. 
 

Once a channel was set to priority channel, it will be scanned after every normal channel when scan is initiated by pressing