GPSMAP 192C Owner’s Manual
89
U
SING
S
ONAR
>
S
ONAR
T
AB
O
PTIONS
To calibrate the water speed:
1. On the
Sonar
tab, use the
ROCKER
to highlight
Calibrate
Water Speed
, and press
ENTER
.
2. Bring the boat to a cruising speed. The top ground and
uncalibrated water speeds are shown at the bottom of the
calibration window. Note your top water speed, then stop
the boat, and press
ENTER
.
3. By default, the top ground speed automatically displays
in the What was your top water speed? field. If a ground
speed is not available, the top uncalibrated water speed is
used instead. If the new speed is correct, highlight
OK
, and
press
ENTER
. If you want to manually enter a calibration,
press
ENTER
on the speed field, enter a new speed, and
then press
ENTER
.
4. You can also press
MENU
on the calibration screen and
choose
Use Top Ground Speed
to default back to ground
speed or
Use No Calibration
to use the speed sensor’s
uncalibrated speed.
NOTE:
If the boat is not moving fast enough or the speed
sensor is not outputting a speed, the message “Boat Is Not
Moving Fast Enough To Calibrate” displays at the bottom of
the screen. Either verify the speed sensor wheel is moving, or
safely increase boat speed. If there is a problem with the speed
sensor/unit, or if a speed senor is not installed, a “Water Speed
Sensor Is Not Working” message appears at the bottom of the
screen. Check connections of speed sensor cables.
Page Defaults
—restores the Sonar page settings to the original
factory setup.
To restore default settings to the Sonar Tab:
1. Press
MENU
.
2. Highlight
Page Defaults
, and press
ENTER
.
To restore default settings to the Sonar Tab:
Press
MENU
. With
Page Defaults
highlighted, press
ENTER
.
