User manual

Chapter 2: Operation
12 General use and navigation
Changing the display light, night view
Red text on black background is available for optimal night vision.
To dim the display backlight, e.g. to give comfortable night vision, press,
hold and turn the selector knob anti-clockwise. The display shows a
brightness bar. At the brightness value 45 the display changes to night
view with red text on black background.
To return to day vision press, hold and turn the selector knob clockwise
until the display changes and it reaches the desired brightness.
The radio has two colour themes: Black text on a white background
(default) or white text on black background. To change the color theme
see System setup on page 42.
Adjusting the squelch level
With the Squelch control you can manually adjust and suppress
noise in order to optimize the quality of the received radio
communication.
When hearing noise or an unwanted signal, turn the squelch button
clockwise until the speaker is muted.
Use with a SAILOR 6204 Control Speaker Microphone
When a SAILOR 6204 Control Speaker Microphone is connected to the
radio, you can operate the radio with the Control Speaker Microphone. An
occupied message is shown in the radio's display. At any time you can take
control over the Control Speaker Microphone by pressing any key on the
radio.