Javad JNSGyro-4T, Operator'S Manual

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www.javad.com JNSGyro-4T Operator’s Manual 6-3
TR O U B L E S H O O T I N G
JNSGyro-4T Problems
JNSGyro-4T Problems
The following are some of the most commonly encountered problems.
Problem
The board cannot establish a connection to a computer or external controller.
Causes Solutions
The cable is not
properly plugged in.
Check that the cable connector is attached to the correct
serial port.
Unplug the cable, and then securely and properly reconnect
it to the appropriate port.
See “External Components” on page 1-9 and “Connector
Specifications” on page B-7 for information on the
receiver's connectors.
The cable is damaged.
Use an undamaged cable.
Contact your Dealer to replace the cable.
The receiver port used
for connection is not in
Command mode.
Connect your board and a computer using a free port (see
“Connecting the JNSGyro-4T and a Computer” on
page 2-3) and start PCView.
Click
Configuration->Receiver->Ports .
Change the Input for the serial port used for connection to
Command.
Problem
The JNSGyro-4T boards do not lock on to satellites for a long period of time.
Causes Solutions
The boards store an
old almanac.
Update the almanac.
The antenna(as)
cable(s) is(are)
damaged.
Use an undamaged cable.
Contact your Dealer to replace the cable(s).
Problem
The board(s) track(s) too few satellites.
Causes Solutions