BNC 1105 Universal Counter User Manual

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[:SENSe]:ROSCillator:SOURce:AUTO

Sets or queries the state of the auto-specifying reference timebase. With this on, the

counter automatically choose the external reference signal as the reference timebase

when a valid signal is present at the Ref In connector on the rear panel. When an invalid

signal is present at this connector, the internal timebase is used.

Return

A single ASCII-encoded byte. 0 means Off and 1 means ON.

Notes

Specifying a reference oscillator with [:SENS]:ROSC:SOUR INT

︱EXT disables this

auto-specifying.

This will be set back to its default, which is ON, after the counter has been turned off

or after a remote interface reset.

Sets or queries

Gate

for Risetime, Falltime, Duty Cycle, and Pulse Width functions

measurements. For more information about

the front panel gating settings and the

interface command parameters, please refer to the Rise/Fall form in Chapter

5.4.

[:SENSe]:TINTerval:ARM:ESTART:LAYer2:SOURce IMMediate | EXTernal

Sets or queries the start arm for Risetime, Falltime, Duty Cycle, and Pulse Width

functions measurements.

Query Response:

A sequence of ASCII-encoded bytes: IMM or EXT

Comments:

*RST: IMMediate

Gate & ExtArm

[:SENSe]:TINTerval:ARM:ESTART:LAYer2:SLOPe POSitive | NEGative

Sets or queries the slope of the external start arm signal used in external arming

Risetime, Falltime, Duty Cycle, and Pulse measurements.

Query Response:

A sequence of ASCII-encoded bytes: POS or NEG

Comments:

● *RST: POSitive

● Only applies when [:SENS]:TINT:ARM:ESTART:LAY2:SOUR EXT is

selected.

Gate & ExtArm

Sets or queries

Gate

for Time interval measurements. For more information about

the