142 SDA-OM-E Rev H
Standard Horizontal Parameters
These are the default Standard Horizontal Parameters:
Horizontal
freq
period
width
rise
fall
delay
duty
npoints
My Measure
You can choose to customize up to eight parameters by touching My Measure.
Parameter Math (XMath or XMAP option required)
The instrument gives you the ability to perform arithmetic operations (addition, subtraction,
multiplication, division) on the results of two parameter measurements. Alternatively, you can
apply math to a single parameter (for example, invert). By customizing parameters in this way,
you can effectively extend the range of parameter measurements based on your particular needs.
Logarithmic Parameters
The parameter math feature prevents multiplication and division of parameters that return
logarithmic values. These parameters are as follows:
• auto-correlation signal-to-noise ratio (ACSN)
• narrow-band power (NBPW)
• media signal-to-noise ratio (MSNR)
• residual signal-to-noise ratio (RSNR)
• top-to-base ratio when the units are in dB (TBR)
Excluded Parameters
Parameters that are already the result of parameter math operations are excluded. If they are
included in a remote control setup command, an error message is generated and the setup
canceled.
• Excluded parameters are as follows:
• delta clock-to-data near (DC2D)
• delta clock-to-data next (DC2DPOS)
• delta clock-to-data previous (DC2DNEG)
• delta delay (DDLY)
• delta time at level (DTLEV)
• phase (PHASE)
• resolution (RES)
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