Uniden America Corporation UT641 Manual Do Utilizador

E-14

•  Scanning starts from the lowest to highest channel and stops 

when it finds an active channel. It remains on that channel 
until the transmission ends, then resumes scanning after a 2 
second delay period.

•  When in the scan mode, the unit automatically activates 

the Triple Watch feature. To deactivate Triple Watch from 

the scanning mode, press and hold 

 for 2 seconds. 

TRIPLE disappears from the display.

1.  Transmission power can be set to 

3.5 W  (HIGH) or 1 W (LO).

Press 

 to make the change. 

The HIGH or LO indicator on the 

displays accordingly.

2.  To transmit, press and hold 

 (push-to-talk). TX appears on the 

display.

3.  To return to receive, release 

. TX disappears.

•  If you press 

 for more than 3 minutes, TX starts blinking 

and the transmission ends. The TX time out tone sounds 
when you release 

. 

•  If the battery indicator Level 0 is flashing when you press 

, the radio will not transmit and the TX icon flashes. (see 

page 7)

.

To light the keypad and the display simultaneously, press any key except 

. Both the display and the keypad illuminate.

If you press any key except 

 while the display and keypad 

are illuminated, they remain illuminated for 10 seconds.