Agilent Technologies 4395A, Service Manual

Page: 329 / 343

Error Messages in Numerical Order
17 BA CKUP D A T A LOST
Data c hec ksum error on the battery bac kup memory has o ccurred. The battery is rec harged
for appro ximately 10 min utes after p o w er w as turned on .
19 UNEXPECTED D A T A DETECTED: CAL ABOR TED
The signal measured for the lev el cal is not adequate for the calibration signal. (sp ectrum
analyzer mo de only .)
26 PRINTER:not on, not connect, wrong address
The prin ter do es not resp ond to con trol. Chec k the supply to the prin ter, online status,
sheets, and so on.
34 NO V ALID MEMOR Y TRACE
If a memory trace is to b e display ed or otherwise used, a data trace m ust rst b e stored to
memory .
37 DISPLA Y BUFFER IS FULL
The display buer is lled with the o v erlay traces or traces dra wn b y IBASIC DRA W/MOVE
commands, etc.
44 O VERLO AD ON INPUT B
The p o w er lev el at one of the four receiv er inputs exceeds a certain lev el greater than the
maximum input lev el.
45 O VERLO AD ON INPUT A
The p o w er lev el at one of the four receiv er inputs exceeds a certain lev el greater than the
maximum input lev el.
46 O VERLO AD ON INPUT R
The p o w er lev el at one of the four receiv er inputs exceeds a certain lev el greater than the
maximum input lev el.
48 PHASE LOCK LOOP UNLOCKED
EXT REF Input of 10 MHz is not prop er, or the instrumen t is needed to adjust or repair.
Chec k the external reference signal rst. Con tact y our nearest Agilent T ec hnologies oce for
adjustmen t or repair.
Messages-17