Keithley 3930A Operator's Manual page 78

SECTION 4
GPIB
Interface
Table 4-12. Model 3930A Trigger Parameter Inquiry Messages
Inquiry Description
mGGER SOURCE
Trigger source inquiry
Program
Code
?TRS
Response Format
REMOTE mGGER
Inquiry as whether or not remote trigger is
enabled.
?TRG
NRl format:
1 digit, same as settin
value.
Example:
TRS 2 (INT +i)
NRl formak
1 digit, same as setting value.
Examule:
TRG 0 (Disabled)
EXT WG IN BNCXNABLE ?TRE
NRl format:
Inquiry as to whether or not front panel EXT TRIG
1 digit, same as setting value.
IN connector is enabled in remote. Examule: TRE 1 (enabled)
INT TRIG GENERATOR BG &ATE
Inquiry of internal trigger oscillator period.
?TRR
NIX3 format:
5-d@ mantissa, 2-digit exponent
Example:
TRR 062.50Ea3 (62.5ms)
INT TRIG GENERATOR mG FREQUENCY
Inquiry of internal trigger oscillator frequency.
?TRF
NR3 format: Yes
5-digit mantissa, Z-digit exponent
Exam&:
TRF 9.8765E+OO (9.8765H.z)
BIJlQJCOUNT
Burst cycle inquiry
?BST
NRl format:
5 digits
Examule:
BST 00016 (16 cvcles)
START/STOP BASE
Start/stop phase inquiry (degrees)
?SPH NR2 format:
4-digit mantissa
Example: SPH -180.0 (-180")
I Setting I
Yes
Yes
Yes
Yes
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