33
English
To enable or disable the Overzoom function, press
GOTO
to dis-
play the menu bar, then select SETUP, OVERZOOM and ON/
OFF.
Position calibration
All position sensors are affected by intrinsic errors that make
the boat’s position incorrect (15 to 20 meters). The position
calibration function allows correcting manually the position
error present in all GPS devices, provided that this error is
not greater than 2 nautical miles.
NOTE: It is recommended to carry out the calibration again whenever the coordinates
of the boat’s position are known.
Press
GOTO
and then, by using the joystick, select SETUP,
CALIBRATION and then ON. A message will prompt the user
to move the cursor to the boat’s true position, appropriately
enlarged by the
ZOOM+
key. Press
ENTER
to move the GPS boat’s
position to the point indicated by the cursor. This operation
will save the calibration for use in future calculations.
NOTE: When the calibration is enabled, the coordinates (latitude/longitude) in the
Satellite window and Tide Info window will be marked by (*).
To cancel the calibration, press
GOTO
, select SETUP, CALI-
BRATION and then OFF.
Local time
This function allows entering local time instead of the Green-
wich time (GMT) supplied by the GPS receiver.
To enter local time, press
GOTO
and then, by using the joy-
stick, select SETUP, SET TIME and then LOCAL.
The joystick will allow entering local time as well as confirm-
ing and saving the operation. To cancel local time, press
GOTO
,
select SETUP, SET TIME and then GMT.
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