Chapter 9 705
If You Have a Problem
Error Messages
ERR 902 BAD NORM A normalization error will occur if the current
spectrum analyzer state is not the same as the state
stored by the last execution of the STORETHRU or
STORESHORT command.
This will happen when several open/short or thru
calibrations are performed. The NORMLIZE function
recalls the last calibration run. If one of the earlier
SHORT or THRU states has been recalled just before
turning the NORMLIZE function on, then the current
and recalled states don't match and the error occurs. To
avoid this error, update the STORETHRU or
STORESHORT state register with the current state
before turning NORMLIZE on. The STORETHRU state
register is state register 9. The STORESHORT state
register is state register 8. It is a good idea to take a
sweep (TS command) prior to saving the state using the
SAVES 8 or SAVES 9 command.
ERR 903 A > DLMT Unnormalized trace A is off screen with trace
math or normalization on.
ERR 904 B > DLMT Calibration trace (trace B) is off screen with
trace math or normalization on.
ERR 905 EXT REF Unable tolock cal oscillator when setto external
reference. Check that external reference is within
tolerance.
ERR 906 OVENCOLD The oven controlled crystal oscillator (OCXO)
oven is cold.
ERR 907 DO IFCAL Unit is still performing IF calibration, or is in
need of IF calibration which were not done due to an
OVENCOLD condition.
ERR 908 BW>>SPCG Channel bandwidth is too wide, compared to
the channel spacing, for a meaningful computation.
ERR 909
SPAN<ACP
The frequency span is too small to obtain avalid ACP measurement.
ERR 910 SPAN>ACP The frequency span is too wide, compared to
the channel bandwidth, to obtain a valid ACP
measurement.
ERR 911 ACP STATE The adjacent channel power measurement
has been compromised (invalid measurement
parameters).
ERR 919 SP <CHBW The channel spacing is too narrow, compared
to the channel bandwidth, to obtain a valid channel
power bandwidth measurement.
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