5
Relative, Math, Ratio,
Channel Average, and dB
• Relative — Explains how to null an offset or establish a baseline value. Includes
the commands for remote programming.
• Math — Covers the three basic math operations: mX+b, percent, and reciprocal
(1/X). Includes the commands for remote programming.
• Ratio and channel average — Explains how to use these calculations to display
the ratio or average of two switching channels.
• dB — Explains how to use remote programming to configure the instrument to
perform DCV dB and ACV dB measurements.
WARNING When using these functions, the display may indicate a non-hazardous
voltage, but hazardous voltage may be present on the input connectors.
2750-900-01.book Page 1 Wednesday, August 3, 2011 7:56 AM