Appendix D
User and Error Messages
Introduction
The SDA is equipped with helpful messages that may appear to indicate
improper operation or unit malfunction. This appendix provides an
explanation of the condition causing a message to appear and the
suggested response.
ERROR... No STEALTH telemetry!
Condition: No telemetry established between Transmitter and Receiver
Response: Check connection and ensure telemetry frequencies are
matched.
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.
ERROR... The synthesizer has become unlocked!
Condition: The PLL synthesizer has become unlocked.
Response: Indicates a problem with the circuitry, service is required.