Troubleshooting; Gps Receiver Does Not Track Satellites - ashtech Z-Xtreme System Manual

For post-process surveying

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Troubleshooting

So, you followed all the steps to prepare the Z-Xtreme Survey System to perform a

survey and the system is not working. Why? Well, the problem is usually due to one

of two things: a component is malfunctioning, or the system is not set up properly.

Improper setup can be caused by a memory lapse on the part of the operator or a sys-

tem component. Like the operator, some system components must execute a set of

steps to properly configure the system. On occasion, the component may get con-

fused and not execute the proper steps. In either case, the problem is normally reme-

died by either identifying the component of the system causing the problem and re-

executing the steps to set up this component, or starting over with the setup process.

In this section, the goal is to give you guidance in determining the cause of a problem.

Commonly encountered effects of a problem are listed below. Probable causes of the

effect are presented, along with a remedy. Barring a component failure, the remedies

should resolve any problems encountered in preparing the Z-Xtreme Survey System

to perform a survey.

If the steps outlined in this troubleshooting section fail to get you up and running, there

is a good chance that a component in your system has failed. In such an event, con-

tact your local Ashtech dealer or Ashtech customer support for assistance. Explain

the steps you have taken to attempt to remedy the problem. Customer support may

have more suggestions. If not, they will arrange with you to have the component(s)

returned to Ashtech for repair or replacement.

You will be asked to utilize either the front panel display of the GPS receiver or the

field application software running on the handheld computer to view status information

or set certain parameters. Details on how to use the display or application software to

perform these tasks will not be outlined in this section. Refer to the documentation for

the receiver or field application software for these details.

A satellite tracking LED on the front panel of the Z-Xtreme receiver displays the num-

ber of healthy satellites supplying good data for data collection. This information is

also available through the field application software running on the handheld com-

puter. Refer to the receiver or application software documentation for details on how

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