
B-1
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 malfunc-
tion. 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 No telemetry established between
Transmitter and Receiver
Response Check connection and ensure
telemetry frequencies are matched.
Message SORRY... The selected reference cannot be used!
Condition The channel plan has been
changed or a different channel plan
has been selected since
storing the reference.
Response Delete the incompatible reference
and select another or store a new
reference.
Message ERROR... The synthesizer has become unlocked!
Condition The PLL synthesizer has become
unlocked.
Response Indicates a problem with the
circuitry, service is required.
Message ERROR... The noise frequency is out of range!
Condition The noise offset frequency plus the
carrier frequency exceeds the range
of the unit.
Response Choose a smaller noise offset
frequency value.
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