Fluke 9100 User Handbook Manual page 82

Final Width = 215mm
Recall the 9100 Instrument Hardware Fitment
This command conforms to the IEEE 488.2 standard requirements.
OPT?
will recall the instrument's hardware fitment.
Response Format:
Character position
1 2 3 4 5 6 7 8 9 10 11 12
x6 , x5 , x4 , x3 ,
Where:
The data in the response consists of comma-separated
characters, each being either 1 or 0.
nl = newline with EOI
The data element type is Nr1 as defined in the IEEE 488.2
standard specification.
6-C6 Appendix C to Section 6: 9100 System Operation — IEEE 488.2 Common Commands and Queries
OPT?
Response Decode:
The character positions represent the following hardware fitment:
x1 - Option 250: 250 MHz Oscilloscope Option
x2 - Option 100: High Stability Crystal Reference
x2 , x1 nl
x3 - Option 600: 600 MHz Oscilloscope Option
x4 - Option 135: High Voltage Resistance Option
x5 - Option PWR: Power Option
x6 - 0 (Reserved for future use)
a response of 0 indicates option not fitted;
a response of 1 indicates option fitted.
Execution Errors:
None.
Power On and Reset Conditions
Not applicable.