APPENDIX B USER MESSAGES
INTRODUCTION
There are numerous user messages that will appear on the unit. Some
messages can be caused by improper operation or unit malfunction.
The following list provides an explanation of the condition that
caused the message to appear, followed by the suggested response:
Message
ERROR... No STEALTH telemetry!
Condition
Response
Message
SORRY... The selected reference cannot be used!
Condition
Response
Message
ERROR... The synthesizer has become unlocked!
Condition
Response
Message
ERROR... The noise frequency is out of range!
Condition
Response
No telemetry established between
Transmitter and Receiver
Check connection and ensure
telemetry frequencies are matched.
The channel plan has been changed
or a different channel plan has been
selected since storing the reference.
Delete the incompatible reference
and select another or store a new
reference.
The PLL synthesizer has become
unlocked.
Indicates a problem with the
circuitry, service is required.
The noise offset frequency plus the
carrier frequency exceeds the range
of the unit.
Choose a smaller noise offset
frequency value.
B-1
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