4-10 Raychart 425 Chartplotter
➤ To perform position calibration:
1. Using horizontal trackpad movements, select
SET CAL.
The menu is removed and a single function and help text are shown
(Figure 4-5):
Figure 4-5: Set Position Function
2. Using the trackpad, set the value of offset required. The distance and
bearing of cursor from vessel is displayed in the Status Bar as
BRG and
RNG.
3. Press
ENTER to confirm the selected offset value or CLEAR to reset
the value to zero and return to the Chart Set Up menu.
An offset of 2nm or less is applied to all position data equal to the range
and bearing between the WGS 84 position and the position entered. The
menu returns with
ON highlighted.
Note: Pressing
ENTER with a selected offset of more than 2nm gives a
warning message which is cleared on any key press. The Calibration Set
Up mode maintains and the user can either reselect an acceptable offset
or press
CLEAR to reset the value to zero and return to the Set Up menu.
4.4 GPS Setup
The GPS set up page provides information for the status of the tracked
navigation satellites plus HDOP and satellite Fix Status. It also provides
the ability to manually select the appropriate SD satellite dependent on
geographical location.
➤ To select GPS Set Up:
1. Press the
PAGE key to display the SET UP functions:
Figure 4-6: GPS Setup Functions
2. Use the trackpad to highlight the GPS SET UP function and press
ENTER to display the GPS STATUS screen and soft key.
GPS STATUS is displayed (Figure 4-7).
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