NorthStar Navigation GM1708 961XD User Manual

Page 50

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SECTION TWO - Installation

Page 40

961 INSTALLATION MANUAL Revision A

DGPS ANTENNA
(cont’d)

No beacon signal (applies to all DGPS
antennas):

If the

BCN RCVR ST

reads “failed:”

If the coax and antenna are okay and there
is 7.75 VDC:

Press the

STAR

key to display the

SETUP MENU

screen, then press

the

RECEIVER SETUP

key. Check

that the

DGPS SYSTEM

option and

BEACON FREQ

options are set to

“on,” and that the

BAUD RATE

option is set to “auto.”

Press the

STAR

key to display the

SETUP MENU

screen, then press

the

PRODUCT INFO

key. Check

that the

BCN RCVR ST

reads

PASSED

.”

Check the coax and antenna for open/
short, and check for 7.75 VDC at the
UHF connector, under load.

The 1710 board in the processor may
be bad.

Table 3: Troubleshooting the GPS/DGPS antenna installation (continued)

Antenna

Symptom

Possible Solutions/Reasons

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