Sailor 6249, User Manual, Page: 26 / 60

Chapter 2: Operation
10 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 22.
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.
SCAN
PHBOOK
LOCAL
SETUP
INT
DISTRESS/CALL
Alternative colour scheme