Motorola T5720 用户手册

To avoid accidentally changing your radio settings, press and hold 

\

  for 

3 seconds or until 

f

 displays. You can turn the radio on and off, adjust the 

volume, receive, transmit, send a call tone, and monitor channels. All other 
functions are locked.

To unlock the radio, press and hold 

\

  for 3 seconds or until 

f

 is no longer 

displayed.

Use scanning to monitor channels and codes for transmissions or to find 
someone in your group who has accidentally changed channels.

To start scanning, briefly press and release 

Q

 or 

J

. The scan indicator

h

 

displays.

When the radio detects channel activity, it stops scanning and you can hear the 
transmission. To respond to the transmission, press 

M

 within 5 seconds.

Note: If your radio’s Interference Eliminator Code is set to 

0

 while scanning, the 

radio checks for activity on each channel regardless of the code used on the 
channel. If your radio’s Interference Eliminator Code is set to 

1

–

38

, the radio 

checks for activity only on channels using codes 

1

–

38

 and ignores channels 

using code 

0

.

1042b60a.book  Page 22  Friday, January 17, 2003  2:43 PM