HP 34970A manual 121

Chapter 4 Features and Functions

Mx+B Scaling

∙Sctxt”: The menu automatically guides you through the gain, offset, and measurement label settings.

SET GAIN , SET OFFSET , SET LABEL

To reset the gain, offset, and measurement label to their defaults,

go to the corresponding level in the menu and turn the knob. To turn scaling off (without clearing the gain and offset values), go to the first level in the menu and select SCALING OFF.

SET GAIN TO 1 , SET OFST TO 0 , DEFAULT LABEL

To make a null measurement and store it as the offset, go to SET OFFSET in the menu and turn the knob.

MEAS OFFSET 4

∙exx Vxytvx bxt”: Use the following commands to set the gain, offset, and custom measurement label.

CALC:SCALE:GAIN 1.2,(@101)

CALC:SCALE:OFFSET 10,(@101)

CALC:SCALE:UNIT ’PSI’,(@101)

After setting the gain and offset values, send the following command to enable the scaling function on the specified channel.

CALC:SCALE:STATE ON,(@101)

To make a null measurement and store it as the offset, send the following command.

CALC:SCALE:OFFSET:NULL (@101)

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