GPIB Command Compatibility List Changed Query Result Values
252 Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition
Changed Query Result Values
Table 14 details queries that respond with different return codes than the
old instruments.
Table 14 Queries with Different Result Values
Command Change Affects
*IDN? Returns new instrument and module identifi-
ers.
Both
*OPT? Returns new module options. Both
*TST Selftest result codes are completely new.
0 still means passed.
Both
A head adapter is not overwritten with the
head when it is inserted.
8153
SENS:POW:UNIT? Returns W|DBM not a number. 8153
SOUR:POW:WAV? Returns LOW|UPP|BOTH|EXT and not the
wavelength; use SOUR:WAV? to query the
wavelength. SOUR:WAV:FIXED1? returns the
wavelength of the first laser and
SOUR:WAV:FIXED2? returns the wavelength
of the second laser. For the HP 8153A,
SOUR:POW:WAV? returned the wavelength
of the active laser.
8153
SYSTem:ERRor? Same functionality but different numbers
and errors are returned for instrument spe-
cific errors.
8153
SOURce:AM:SOURce? Returns different enum values than the
HP 8167/8.
8167/8
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