TeeJet RX 400p - Manual (Page 134)

RX 400p
98-05044 7-2
R1
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 RX 400p 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 RX 400p lock status
• Verify matched beacon output and GPS RTCM
input baud rates if using external source