4
GPSMAP 188/188C Sounder Owner’s Manual
B
ASIC
O
PERATION
>
A
DJUSTING
THE
B
ACKLIGHT
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 display 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
Pointer 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 backlight:
1. Press and release the
POWER
key. The adjustment slider
window appears.
2. Press the
POWER
key again to start the user-defined
backlight level. To adjust this level, press 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 188C
Page 1: ...GPSMAP 188 188C Sounder chartplotting receiver owner s manual GPSMAP 188C shown...
Page 124: ......
Page 125: ......
