Motorola XPR 5550 用户手册

 Toggles all tones and alerts on or off.

Backlight 

 Adjusts the brightness level.

 Depending on the programming, changes 

channel to previous or next channel. 

Display Mode 

 Toggles the day/night display mode on or off.

 Toggles transmit power level between high and 

low.

Squelch 

 Toggles squelch level between tight and 

normal.

You can access various radio functions through one of the 
following ways:

A short or long press of the relevant programmable buttons.

Use the Menu Navigation Buttons as follows:

To access the menu, press the 

g

 button. Press the 

appropriate Scroll Up/Down button (

f

 or 

h

) to access 

the menu functions.

To select a function or enter a sub-menu, press the 

g

 

button.

To go back one menu level, or to return to the previous 
screen, press the 

e

 button. Long press the 

e

 button to 

return to the Home screen.

The Menu Navigation Buttons are also available on a keypad 
microphone (see Using the Keypad on page 80).

NOTE: Your radio automatically exits the menu after a period 

of inactivity and returns to your Home screen.