Keithley 3930A Operator's Manual page 89

SECTION 4
GPIB lnterfnce
Table 4-21. Model
3933A Phase Shifter Sweep Parameter Inquiry Messages
Inquiry Description
3VEEP START WASE
$weep start phase inquiry (": deg)
PIOgIaIIl
Code Response Format
?STP
NRZ format: 4-d@ mantissa
Example:
STP -120.0 (-120.0")
SWEEP STOP PHASE
+eep stop phase inquiry co:, de&
SWEEP CEENTER PHASE
3veeu center uhase inauiw (": dea)
?SPP
NR2 format: 4-digit mantissa
Example:
SPP -120.0 (-120')
?CTP NR2 format: 4-d@ mantissa
Example: CTP 000.0 (0")
SWEEP SPAN_ FHASE
Sweep phase span inquiry ?: deg)
SWEEP -&ARKER PHASE
Sweep marker phase inquiry (": deg)
?SNP
NR2 format: 4-d@ mantissa
Example: SNl' 240.0 (240")
?MKP
NR2 format: 4-digit mantissa
Example: MKF 090.0 (90")
SWEEP TW
Sweep tune inquiry W
?STM
I I
NR3 format: 4-d@ mantissa,
2-d@ exponent
Exam&:
STM 1.234E+OO U.234~)
SWEEP m7CTION
Sweep funchon inquiry
?SFN NRl format: 1 digit, same as setting value
Exampl,e: SFN 1
SINGL START IN BNC ENABLE
?SGE
Inq& as to whether or not rear panel
NRl format: 1 digit, same as setting value
Example: SGE 1 (enabled)
SINGL START IN BNC connector is en-
abled in remote
IJOLD IN BNC ENABLE
Inquiry as to whether or not rear panel
HOLD n\r connector is enabled in remote
?HLE
NRl format: 1 digit, same as setting value.
Example: HL.E 0 (disabled)
setting
Yes
Table 422. Model 3933A Phase Shifter Miscellaneous Parameter Inquiry Messages
Inquiry Description
Program
Code Response Format
setting
&&$l'LlTUDE MODULATION
AM on/off inquiry
DUTY CYCLE
Square wave duty cycle inquiry (%)
?AMM NR2 format: 1 digit, same a setting value
Yes
Example:
AMM 1 (on)
?DTY
NR2 format: 2.digit mantissa
Yes
Example:
DTY 25.0 (25%)
NOTE: The reswnse is DTY 50.0 for both 50%
fixed and 50% hriable duty cyde.
1 I
-mCTION QUTI'UT ON/OFF
Waveform output on/off inquiry
QUTPU'I RANGE MODE
Output range mode inquiry
?FNO
NRl format: 1 digit, same as setting value
Yes
Example: FNO 1 (on)
?OMD
NRl format: 1 digit, same as setting value
Yes
Example: OMD 0 (AUTO)