Quanzhou Leixen Electronics Co. Ltd 898UV 用户手册

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You can choose what controls are locked through 
Menu 17 as follows: 
KEY: Numeric and function keys, keys on the 
microphone and the front panel of transceiver, 
excluding the “M” key and the 

 key.   

K + S: KEY + DIAL. Numeric +function keys +   
“CHA+/CHA-/VOL+/VOL- excluding the “M” and 

 keys 

PTT: PTT Key.   
ALL: KEY + DIAL + PTT excluding “M” key and 
key
Default is K + S.   

Menu 18 is set depending on which microphone 
shipped with your VV-898 transceiver. If you received 
the DTMF microphone, set this menu to ON. Setting 
to OFF will not allow you to use the keys on the 
DTMF microphone. If you did not receive the DTMF 
microphone, for power conservation, we recommend 
you set this menu to OFF. The default setting is ON. 

You can set backlight behavior through Menu 19. 
Select from the following settings: 
OFF: Backlight is disabled