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iCN
550
User Manual
12. Preferences
You can modify the following preferences to suit your needs.
Screen Brightness
1. Press and hold either the
+
or
-
button to display the
Brightness
scale.
2. To increase screen brightness, press
+
; to decrease screen brightness, press
-
.
The
Brightness
scale comprises ten rectangular boxes in a row. As screen brightness is
increased, the fi rst seven boxes progressively turn from gray to green; the last three turn red.
You can also adjust brightness from the
Screen
preference screen. See page 51.
Volume
1. Rotate the
Volume Control
up or down to hear a sound test.
2. Rotate the
Volume Control
up or down and hold to display the volume bar.
• Rotate the
Volume Control
up or down to adjust the volume.
You can also adjust volume from the
Volume
preference screen. See page 52.
Routing Preferences
1. From the
Main Menu
, tap
Preferences
.
2. From the
Preferences
screen, tap
Routing
.
The fi rst of three
Routing
screens will display. Press
to move through the
Routing
screens.
3. Complete one of the following:
If you want to...
Then...
change the
Route Type
move the
Route Type
slider towards
Quickest
to give more weighting to the
fastest time when calculating a route.
move the
Route Type
slider towards
Shortest
d
istance
to give more weighting
to the shortest distance when calculating
a route.