CSI Wireless DGPS MAX, Reference Manual

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DGPS MAX Reference Manual
134
connector
•
Verify CDA -2MAX’s unobstructed view of the
sky
No OmniSTAR lock
•
Subscription Activated and not expired?
•
Check antenna connections
•
Verify 5 VDC across antenna cable
connector
•
Verify CDA -2MAX’s unobstructed view of the
sky
No Beacon lock
•
Check antenna connections
•
Verify MSK rate is set correctly or choose
Auto MSK rate (100 200, or Auto)
•
Verify frequency of transmitting beacon, or
choose
Auto?Tune@
•
Verify DGPS MAX antenna port output voltage
(5 VDC)
No DGPS position in
external RTCM mode
•
Verify that the baud rate of the RTCM In
(AUX) port matches the baud rate of the
external source
•
Verify the pin-out between the RTCM source
and the AUX port (transmit from the source
must go to receive of AUX and grounds must
be connected - Refer to Appendix B)
Low beacon SNR
•
Check integrity of antenna connections
•
Are other electronics interfering with
reception?
•
Select alternate antenna position
Non-differential GPS output
•
Verify DGPS MAX lock status
•
Verify matched beacon output and GPS RTCM
input baud rates if using external source