Troubleshooting
GR-3 Operator’s Manual
6-4
D If using an external power source, the cable may be
disconnected or damaged.
Check that the cable is securely connected and undamaged.
D The receiver may have a defective charger or defective
batteries.
If, after changing the batteries or connecting an external
power source, the receiver still does not power up, contact
TPS Customer Support for advice.
Receiver Problems
The following are some of the most commonly encountered receiver
problems.
The RX/TX LED is flashing green on my base receiver
• The base has been set into Receiver mode, not transmit mode.
Change this using the data collector software or Modem-TPS.
• The base is set into GSM mode. Change this using data
collector software or Modem-TPS.
There is no radio link between Base and Rover and the RX/TX
LED is flashing green on the rover
• The LED indicates that the receiver is set into Receive mode;
however no radio link has been established
• Check to make sure that the base receiver is powered on
• Check to make sure that the base and rover receivers are on
the same channel.
• Check to make sure the rover is not set into GSM mode.
There is no radio link between Base and Rover and the Rover
RX/TX LED is solid green
• The LED indicates that the rover has established a radio link
with the base receiver, however it is not receiving RTK
Corrections.
• Check to make sure that the base is tracking enough satellites.
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