Uniden BC-RH96 사용자 설명서

If you scroll to the Handy Option menu, you can 
highlight 

Set Func Mode

.

Select this to choose between 

Set Hold Timer

 

and 

Set Auto Release

.

When you select this option, you can scroll through 

and select from five settings. The setting determines 
how long the knob acting as the FUNC control is 
enabled each time you press it if you do nothing else.

The five settings are:
Off: 

Function mode is continuously enabled only 
while pressing the Control or SQ knob.

Function mode is enabled for 3 seconds after 
releasing the Control or SQ knob.

5 sec: 

Function mode is enabled for 5 seconds after 
releasing the Control or SQ knob.

10 sec:  Function mode is enabled for 10 seconds after 

releasing the Control or SQ knob.

Infinite: Function mode is enabled until the Control or 

SQ knob is pressed again (default).