HP 53131A/132A 225 MHz Programming Manual page 252

225 mhz universal counter
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Chapter 4 Command Reference
[:SENSe] Subsystem
[:SENSe]:FREQuency:ARM[:STARt]:SOURce IMMediate
|EXTernal
Sets or queries the start arm for Frequency, Frequency Ratio, and Period
measurements.
Query Response
A sequence of ASCII-encoded bytes: IMM or EXT
Comments
*RST: IMMediate
Related
Gate & ExtArm
Front-Panel
Keys
[:SENSe]:FREQuency:ARM:STOP:DIGits <numeric_value>
Sets or queries the resolution in terms of digits used in arming Frequency, Period,
and Ratio measurements.
<numeric_value>
3 to 15
Range
Query Response
Numeric data transferred as ASCII bytes in <NR1> format.
Comments
Related
Gate & ExtArm
Front-Panel
Keys
[:SENSe]:FREQuency:ARM:STOP:SLOPe POSitive | NEGative
Sets or queries the slope of the external stop arm signal used in external arming
Frequency, Frequency Ratio, and Period measurements.
Query Response
A sequence of ASCII-encoded bytes: POS or NEG
Comments
Related
Gate & ExtArm
Front-Panel
Keys
4-86
*RST: 4
Only applies when [:SENS]:FREQ:ARM:STOP:SOUR DIG is selected.
*RST: NEGative
Only applies when [:SENS]:FREQ:ARM:STOP:SOUR EXT is selected.
Programming Guide

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