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2. OPERATION
2-17
2.10 WAAS/DGPS Setup
1. Press the [MENU] key to open the menu.
2. Choose WAAS/DGPS and then press the [ENT] key.
WAAS/DGPS
MODE : GPS
WAAS SEARCH: AUTO 134
CORRECTIONS DATA SET: 00
DPGS STATION: AUTO
RATE: 000BPS
FREQ: 310.0kHz
STATION: GOOD* DATA:GOOD*
SIG. S: 55.2 dB* SNR: 22.0 dB*
STATION: Shows GOOD or NG.
DATA: Shows GOOD or NG.
SIG. S: Signal Strength. A figure be tween 0
and 99 is shown. The higher the figure the
stronger the beacon signal.
SNR: Signal to Noise Ratio. A figure between
1 and 22 is shown. When your boat is in the
service area of a beacon station, SNR should
be 21 or 22. If the figure is below 21 the position
will be inaccurate. If this happens, check for radar
interference, poor ground and generator noise on own ship.
WAAS/DGPS menu
3. MODE is selected; press the [ENT] key.
GPS
WAAS
DGPS
AUTO
Position fix mode options
4. Choose appropriate mode referring to the description below and then press
the [ENT] key.
GPS: Position fix by GPS
WAAS: Position fix by WAAS
DPGS: Position fix by DGPS (external beacon receiver required)
AUTO: Position fix in order of DGPS, WAAS and GPS
5. For WAAS or AUTO do as below. For DGPS go to step 6; for GPS go to step
8.
1) WAAS SEARCH is selected; press the [ENT] key.
AUTO
MANUAL
WAAS SEARCH options