Raymarine GPS navigation User Manual download pdf (Page 70)

When the

-1

softkey

is pressed the screen changes so you may type

in the frequency and baud rate of your desired beacon.

DGPS Beacon Transmitter

Freq

Baud

On this menu you should type the frequency and press

thejjkey.

Then

type in the baud rate and press the

-1

key. When the-key is

pressed following the baud rate entry, the screen will return to the last used

display mode screen.

Initially manual tuning to beacons is probably unnecessary. As the DGPS

system becomes more developed and beacons are more numerous towards

1996, it is possible that more than one strong beacon signal may be picked

up in some areas. Manual tuning assures that only the desired beacon will be

received.

3.10.5.3 Averaging for GPS

When, in GPS mode, the

ERA

GIN

GPS

screen appears, you can see that

only one averaging filter is used for both the L/L position readouts and the

Speed readouts for the GPS mode.

Pressing the softkey changes the averaging selection for readouts between

SHORT, MED, and LONG . When the desired Averaging level is highlighted

by the block, press thelCLEAR(key to step back to the Main Menu Directory.

Press-1

one more time to get back to the normal display modes.

OPERATION 3-57

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Raymarine GPS navigation User Manual Page 70