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9. OTHER FUNCTIONS
9.4
[NAVIGATOR SETUP] Menu
The [NAVIGATOR SETUP] menu selects the source of navigation data and sets up
the built-in GPS receiver.
1. Press the MENU key to open the main menu.
2. Select [0. SYSTEM SETTING].
3. Select [2. NAVIGATOR SETUP] which has two pages.
4. Select an item to change.
5. Select an option or set a value.
6. After desired items were set, press the DISP key to close the menu.
The description for each item is shown as below.
[NAVIGATOR SETUP] menu: Page 1
[SELECT NAV SOURCE]: Selects the source of position data from [INTERNAL],
[GPS], [LORAN C] or [ALL]. For details, see the installation manual. When selecting
[GPS], [LORAN C] or [ALL], "EXT" appears at the bottom left of the plotter display.
[TIME DIFFERENCE]: GPS uses UTC time. If you would rather use local time, enter
the time difference between local time and UTC time. Use the CURSOR ON/OFF key
to switch from "+" to "-" and vice versa. The setting range is -13:30 to +13:30.
[NMEA TIME DIFFERENCE]: If the NMEA time data fed from external equipment is
wrong and cannot be corrected at the external equipment, enter an offset here to cor-
rect it. Use the CURSOR ON/OFF key to switch from "+" to "-" and vice versa.
[DATUM]: Your unit is preprogrammed with most of the major chart systems of the
world. Although the WGS-84 system, the GPS standard, is now widely used other cat-
egories of charts still exist. Select the chart system used, not the area where your boat
is sailing. "WGS-84" or "TOKYO" appears at the bottom left of the plotter display.
[POSITION SMOOTHING]: When the DOP or receiving condition is unfavorable, the
GPS fix may change, even if the vessel is dead in water. This change can be reduced
by smoothing the raw GPS fixes. A setting between 000 to 999 is available. The higher
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Table of Contents
Troubleshooting
