Navman iCN 620 - Manual (Page 41)

41 NAVMAN iCN 620 user manual
Note: The unit will heat
up more quickly when
the display brightness
is set over 70%. The
brightness bar will be
coloured red when over
70%. It is advisable
that you use a screen
brightness below this
where possible.
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Changing the Brightness and Volume
You are able to modify both the brightness of the display and the volume of the voice guidance instructions to suit the
driving conditions.
To alter the brightness of the display:
1 Hold down the Zoom/Brightness button until you see the brightness bar displayed on the screen. This can be
done at any time.
2 Press to make the display brighter, or to dim the display.