C. Confirm whether differential lamp (middle lamp) of receiver flashes normally. C o n s t a n t
green lamp is on that indicates that the network has been connected, red lamp flashes once for 1s that
indicates that the difference is transmitted once for 1s).
4) Power off and reboot;
5) Reset the mainboard;
6) Refresh receiver firmware.
2.Rover does not receive difference.
Judgment: Middle differential lamp does not flash (Red lamp flashes regularly under the normal
condition.). There is no public satellite displayed on the software screen and software collection
interface and the solution state is single point.
Checking methods:
1) Inspection of hardware and setting (Premise: The environment where the receiver is located is in
a good condition without serious barrier, severe electromagnetic interference, etc. and the
parameters of handheld controller are set correctly);
2) Mode of transceiver (The following mentioned transceivers shall be used under the supporting
mode: Domestic-domestic, imported-imported, and their frequency band shall be consistent);
A. Confirm whether the rover is equipped with internal transceiver receiving antenna;
B. Confirm whether the rover is within signal cover of transceiver in the base (Generally, the cover
range of external transceiver is within 20km and that of internal transceiver is within 5km. And
specific circumstance can be determined according to actual region and landform);
C. Confirm whether the channel and Baud rate set by the rover is in conformity with that by base;
D. Confirm whether the contact between internal transceiver module and receiver is in a good
condition;
E. Confirm whether the function of internal radio is in normal condition;
3) Network model
A. Confirm whether the receiver is connected with the network; if connected with the network, the
receiver can make ding-dong sound once (the receiver with voice), at the same time, the differential
signal lamp can be green constantly; Otherwise, please check whether the SIM card is in normal
condition (whether the phone can connect with network normally when the SIM card is inserted into
the phone), whether it is inserted into the card slot of receiver or handheld controller (handheld
controller difference) correctly, and whether the external GPRS antenna is installed (Minicomputer);
V60 Getting Started
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