4
GPSMAP 198C Sounder Owner’s Manual
B
ASIC
O
PERATION
>
A
DJUSTING
THE
B
ACK
L
IGHT
The Set Position,
Track Control, Track
and Speed fields
only show while in
Simulator Mode.
To enter a simulated speed and heading from the
Main Menu:
1. Press
MENU
twice to show the
Main Menu
.
2. Use the
ROCKER
to highlight the
Systm
tab, press
right then down until the field below the word
Speed
is
highlighted, then press
ENTER
.
3. Use the
ROCKER
to enter a speed, and press
ENTER
.
4. Use the
ROCKER
to highlight
Track Control
. Press
ENTER
, and select a heading.
5. Press
ENTER
to finish, and
QUIT
until you return to the
Map Page.
To adjust the simulated speed and heading from the
Compass or Highway Pages:
1. Press up on the
ROCKER
increase the speed in
10 knot/kph/mph increments. Press down on the
ROCKER
to decrease the speed in the same increments.
2. Press left and right on the
ROCKER
to steer the boat.
Adjusting the Backlight
The Sounder’s adjustable screen backlighting is controlled with the
POWER
key, and can be adjusted from any page.
To adjust the backlighting:
1. Press and release the
POWER
key. The adjustment slider
window appears.
2. Press the
POWER
key again and the user-defined level of
backlighting starts. You can adjust this level by pressing up
or down on the
ROCKER
. If you press
POWER
one more
time, the backlight is at the maximum setting.
3. Press
ENTER
or
QUIT
when finished.
Summary of Contents for GPSMAP 198C
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