NorthStar Navigation GM1708 961X User Manual

Page of 86
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