Appendix C: System Messages
2715 User Manual
C–3
CANNOT OVERWRITE STORED WAVEFORM
A waveform is already stored in this register. Old waveform(s) must be
deleted first.
CANNOT STORE — NV MEMORY FULL
Must delete other settings if further storage is desired.
CATV MEASUREMENT FAILURE
A CATV measurement function failed.
CHAN DOESN’T EXIST IN CHAN TABLE
A channel has been selected that does not exist in the current channel table.
CNTR SIGNAL OUT OF IF PASSBAND
The signal in zero span is not above the threshold. Perform CTR MEAS
again or use a wider resolution bandwidth filter. Performing a frequency
normalization may also facilitate a count. Because of span and display
storage inaccuracies, the signal may not be exactly centered in the digital
display.
COMM PORT NOT INSTALLED
2715 cannot detect the presence of the communications port.
COMMAND NOT IMPLEMENTED
Feature not installed on this instrument.
COUNTER FREQUENCY UNSTABLE
Perform normalizations again. Frequency counter or input to it is unreliable.
Contact your local Tektronix service center or representative if message
persists.
COUNTER NOT INSTALLED
2715 cannot detect the presence of the counter.
DATA ERROR IN FILE
Firmware/hardware error. Contact your local Tektronix service center or
representative if message persists.
DBUV/M MEASUREMENT MODE IDLE
Destination waveform for DBUV/M is not being displayed and the correc-
tion calculation is disabled. The mode can be restarted by turning on the
destination waveform register.
DEFAULT DATA LOADED
Since a file could not be read to load a data structure, the default values were
loaded into the file and into the data structure.
DELETE EDITING BUFFER FIRST
The editing buffer must be deleted before the desired function or entry can be
accomplished.
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