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3. OPERATION<br />
3.10 WAAS/DGPS Setup<br />
3-16<br />
1. Press the [MENU] key to open the menu.<br />
2. Choose WAAS/DGPS and then press the [ENT] key.<br />
WAAS/DGPS<br />
MODE : GPS<br />
WAAS SEARCH: AUTO<br />
CORRECTIONS DATA SET: 02<br />
DPGS STATION: AUTO<br />
RATE: 000BPS<br />
FREQ: 310.0kHz<br />
STATION: GOOD* DATA:GOOD*<br />
SIG. S: 55.2 dB* SNR: 22.0 dB*<br />
STATION: Shows GOOD or NG.<br />
DATA: Shows GOOD or NG.<br />
SIG. S: Signal Strength. A figure be tween 0<br />
and 99 is shown. The higher the figure the<br />
stronger the beacon signal.<br />
SNR: Signal to Noise Ratio. A figure between<br />
1 and 22 is shown. When your boat is in the<br />
service area of a beacon station, SNR should<br />
be 21 or 22. If the figure is below 18 the position<br />
will be inaccurate. If this happens, check for radar<br />
interference, poor ground and generator noise on own ship.<br />
WAAS/DGPS menu<br />
3. MODE is selected; press the [ENT] key.<br />
GPS<br />
WAAS<br />
DGPS<br />
AUTO<br />
Position fix mode options<br />
4. Choose appropriate mode referring to the description below and then press<br />
the [ENT] key.<br />
GPS: Position fix by GPS<br />
WAAS: Position fix by WAAS<br />
DPGS: Position fix by DGPS (external beacon receiver required)<br />
AUTO: Position fix in order of WAAS, DGPS and GPS<br />
5. For WAAS or AUTO do as below. For GPS or DGPS go to step 6.<br />
1) WAAS SEARCH is selected; press the [ENT] key.<br />
AUTO<br />
MANUAL<br />
WAAS SEARCH options
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