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5. GPS OPERATION
5-2
5.2 Datum
Choose the datum type which matches the paper nautical charts you are using. Choose WGS-84
if the radar is connected to an AIS Transponder.
1. Press the MENU key to show the menu.
2. Choose GPS and press the ENTER key.
3. Choose Datum and press the ENTER key.
4. Choose appropriate datum type and press the ENTER key. For Other, do steps 5 and 6. For
other choices, go to step 7.
5. Choose Datum Number and press the ENTER key.
6. Use the trackball to choose datum number and press the ENTER key. (The seting range is 001-
192 and 201-254.)
7. Press the MENU key to close the menu.
5.3 WAAS Setup
Geostationary satellites, the type used with WAAS, provide more accurate positon data when
compared to GPS or DGPS. These satellites may be tracked automatically or manually. Auto
tracking automatically searches for the best geostationary satellite based on your current position.
1. Press the MENU key to show the menu.
2. Choose GPS and press the ENTER key.
3. Choose WAAS and press the ENTER key.
4. Choose Auto or Manual as appropriate and press the ENTER key. For Manual, do steps 5 and
6. For Auto, go to step 7.
5. Choose WAAS Number and press the ENTER key.
6. Use the trackball to choose appropriate WAAS satellite number and press the ENTER key.
7. Press the MENU key to close the menu.
WGS-84
Tokyo
Other
001
Auto
Manual
120