Teejet RX 400p Bedienungsanleitung Seite 133

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RX 400p
7-1 98-05044
R1
7 Troubleshooting
Use the following checklist to troubleshoot erroneous RX 400p receiver operation.
Table 7-1 provides a problem symptom, followed by a list of possible solutions.
Table 7-1 Troubleshooting
Symptom Possible Solution
Receiver fails to power
Verify polarity of power leads
Check 1.5 A in-line power cable fuse
Check integrity of power cable connections
Check power input voltage (9.2-48 VDC)
Check current restrictions imposed by power source
(maximum > 1.0 A)
No data from RX 400p
Check receiver power status (display illuminated?)
Verify that RX 400p is locked to a valid DGPS
signal (DGPS lock symbol engaged)
Verify that RX 400p is locked to GPS satellites
(GPS Lock symbol engaged)
Check integrity and connectivity of power and data
cable connections
Verify RX 400p Mode of operation
Random data from RX 400p
Verify that the RTCM or the Bin95 and Bin96
messages are not being output accidentally (check
the NMEA Output@ menu)
Verify baud rate settings of RX 400p and remote
device
Potentially, the volume of data requested to be
output by the RX 400p could be higher than the
current baud rate supports. Try using 19,200 as the
baud rate for all devices.
No GPS lock
Check integrity of antenna cable
Verify RX 400p antenna port output voltage (5 DC)
Verify CDA-2B’s unobstructed view of the sky
Verify antenna cable length < 10 meters
No WAAS lock
Check antenna connections
Verify 5 VDC across antenna cable connector
Verify CDA-2B’s unobstructed view of the sky
No OmniSTAR lock
Subscription Activated and not expired?
Check antenna connections
Verify 5 VDC across antenna cable connector
Verify CDA-2B’s unobstructed view of the sky
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