Arbiter Systems 931A, Operation Manual

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# Action
0 (or # missing) – return frequency immediately
1 Return only if there is a new reading
A.3.14 Timer Calibrate (FTM)
Command: c#,s/r#FTM
Sets or returns the calibration constant to correct the timer time and
frequency reference. 1 + (c#
÷
1,000,000) multiply the time measurements
made by the timer.
c# Timer Calibration Constant
s/r# Action
0 Set Timer Calibration
1 Return Timer Calibration
A.3.15 Harmonics Display (HAR)
Command:
harm#,ch#HAR
Displays the selected harmonic (with others) for the selected channel.
Shows magnitude, phase and frequency data for the harmonic number
specified as harm#.
Ch# To select
1 Channel 1
2 Channel 2
A.3.16 Harmonic Magnitude, Return (HMA)
Command: harm#,ch#HMA
Returns individual harmonic magnitudes for the selected channel. Set
the unit to measure harmonics, on the selected channel using the HAR
command, prior to issuing the HMA command.
harm# To select
2–50 Harmonic number (2 through 50)
1 THD (Total harmonic distortion)
ch#
1
Channel 1
2 Channel 2
Response: Numeric ASCII string.
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