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Maintenance
ERROR
lVIESSAGE1~CO:NC:ERNING
SIGNAL PROCESSING (SP)
1 Introduction
The software consists of a signal processor module and a control
processor
module. The signal processor module reads the control parameters sent by
the control processor module before initiating a new ping. The program will
then test
each parameter against its legal
values. If the parameter is found
to be illegal
, or the value
does not agree with the other settings
, an error
message code is sent to the control processor which will issue the error
message.
At power up the signal
processor will never start
real pinging until all the
parameters are granted. However
, in order to receive new information from
the control processor
, it will simulate pinging until no errors
occur.
If the error message "
SP-
1 not responding error
" is shown on the display,
the signal processor has not answered within a timeout period. This error is
probably caused by one of the following hardware errors:
1) No cable connection between PC and transceiver.
2) Transceiver is not turned on.
3) Hardware error in transceiver.
4) Mismatch between PC and parallel port or not enough
memory.
P3405E/B
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