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5. INITIAL SETTINGS
Checking Operation
1. Turn on the GP-90.
2. Confirm that "OK" and "BEACON RCVR INSTALLED" are displayed on the self-test
display.
Confirm that "BEACON RCVR
INSTALLED" is displayed when
DGPS function is provided.
BEACON RCVR INSTALLED
DATA 3: DATA OUTPUT
PROGRAM MEMORY =OK
SRAM =OK
=OK
Internal Battery
Self-test display at equipment start up
3. Press [MENU ESC], [8] and [1]. Confirm that "BEACON OK" is displayed.
DGPS Setup
The default setting is "manual".
Automatic DGPS setup
The beacon receiver (GR-7000A) can automatically select optimum reference station by
feeding GP-90’s position data. If it takes more than 5 minutes to fix DGPS position at the
automatic mode, switch to manual mode. Use the manual mode when an external beacon
receiver has no automatic function of station selection.
1. Press [MENU ESC], [9] and [7] to display the DGPS SETUP menu.
These items appear when
"Man" is selected.
WAAS/DGPS SETUP
Freq.
288.0kHz
ENT: Enter MENU: Escape
Baud Rate
200 bps
MODE
WAAS SEARCH
Auto Man (GEO= )___
:Select
GPS
CORRECTIONS DATA SET 00
DGPS Station
Auto
___
(ID= )
Man
Figure 5-1 DGPS SETUP menu
2. Press S or T to select DGPS MODE and press W to select “INT BEACON”.
3. Press
S or T to select DGPS Station.
4. Press
W to select Auto.