Agilent Technologies 4395A, Manual Change

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Error Messages in Numerical Order
26 PRINTER:not on, not connect, wrong address
The printer does not respond to control. Check the supply to the printer , online status , sheets ,
and so on.
34 NO V ALID MEMORY TRA CE
If a memory trace is to be displayed or otherwise used, a data trace must rst be stored to
memory .
37 DISPLA Y BUFFER IS FULL
The display buer is lled with the overlay traces or traces drawn by IB ASIC DRA W/MO VE
commands , etc .
44 O VERLO AD ON INPUT B
The power level at one of the four receiver inputs exceeds a certain level greater than the
maximum input level.
45 O VERLO AD ON INPUT A
The power level at one of the four receiver inputs exceeds a certain level greater than the
maximum input level.
46 O VERLO AD ON INPUT R
The power level at one of the four receiver inputs exceeds a certain level greater than the
maximum input level.
48 PHASE LOCK LOOP UNLOCKED
EXT REF Input of 10 MHz is not proper , or the instrument is needed to adjust or repair .
Check the external reference signal rst. Contact your nearest Agilent T echnologies oce for
adjustment or repair .
50 CONT SWITCHING MA Y D AMA GE MECH SW
RF output power switch, input attenuator switch at input R/A/B , or internal mechanical
switch in the S-parameter test set is switching sweep by sweep , because RF power level or the
input attenuator setting is dierent between two channels and the dual channel is turn on,
or continuous trigger mode is selected after full 2-port calibration is performed when 4395A
is used with the S-parameter test set. T o avoid premature wearing out of the output power
switch, input attenuator switch, or internal switch of the S-parameter test set, change trigger
type to HOLD , SINGLE, or NUMBER of GROUP to hold sweep after measurement required. Or ,
for example , turn o the dual channel, or set the power level and the input attenuator of both
channels to the same setting.
54 TOO MUCH D A T A
Either there is too much binary data to send to the analyzer when the data transfer format is
FORM 2, FORM 3 or FORM 5, or the amount of data is greater than the number of points .
55 NOT ENOUGH D A T A
The amount of data sent to the analyzer is less than that expected (GPIB only).
Messages-16