Javad JNSGyro-4T, Operator'S Manual

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6-4 JNSGyro-4T Operator’s Manual www.javad.com
TR O U B L E S H O O T I N G
JNSGyro-4T Problems
6
The elevation mask
value is too high (e.g.,
above 15 degrees).
Lower the elevation mask.
The measuring is
conducted near
obstructions (tree
canopy, tall buildings,
etc.).
Check that the Multipath Reduction box has been enabled.
Connect your receiver and a computer and start PCView.
See “Connecting the JNSGyro-4T and a Computer” on
page 2-3.
Click
Configuration->Advanced->Multipath Reduction
and enable the box.
Move to an area free of obstructions, if applicable.
Problem
The receiver cannot obtain Code Differential solutions.
Causes Solutions
Incorrect Base
coordinates entered. Specify the correct coordinates for the Base station using
PCView or other suitable field data collection software.
The unit is not
configured as a Rover.
Ensure the JNS Gyro-4(T) has the proper configuration.
The corresponding
board(s) options may
be disabled or expired.
See “Checking an OAF” on page 4-13 for details on how to
check current options.
Enable or prolong the validity of the corresponding options
by ordering a new OAF with the desired options activated.
The elevation mask is
above 15 degrees.
Lower the elevation mask.
The board and the
antenna have a poor
connection.
Ensure the cable is undamaged.
Check the cable connector attachment to the receiver.
Remove and reattach the cable connector to ensure a secure
connection.
A discrepancy exists
between the
differential standards
used at the Base and
Rover receivers.
Ensure the Base and Rover receivers use the same
corrections input/output format:
Connect your receiver and a computer and start PCView.
See “Connecting the JNSGyro-4T and a Computer” on
page 2-3.
Click
Configuration->Receiver->Ports and set the same
input/output format for both receivers.
Problem