APX 4500 O2 CH
10
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IDENTIFYING RADIO CONTROLS
Using the Navigation Buttons
Home Button
The button returns you to the Home (default) screen. In most cases, this is the current mode.
For selected radio features, the button is also used to save user-edited radio settings or information before returning you to
the Home screen.
Note: Some features do not require you to press to go to the Home screen. Refer to the individual feature sections in this
manual for further details on saving user-edited radio settings or information.
Dimmer Button
Use this button to adjust the brightness of the display.
Long press to toggle between day and night mode.
Up and Down Buttons THESE ARE PROGRAMMED FOR CHANNEL UP/DOWN FUNCTION
By default, the and buttons are used as up and down arrow input. These buttons are programmable.
They can be programmed to navigate through zones, channels and to increase and decrease the volume of the radio.
4-Way Navigation Button (on keypad mic)
Use this button to scroll up , down , left or right .
Press and release one of the button to scroll from one entry to the next one.
Press and hold one of the button to have the radio toggles through the list automatically (release the button to stop).
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