A/D Calibration; Calibration Functions - Fluke 8842A Instruction Manual

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8842A
Instruction Manual
The following functions are inappropriate during calibration, and are therefore
unavailable:

6-12. A/D CALIBRATION

The A/D Calibration procedure calibrates the analog-to-digital converter for offset, gain
and linearity. The 8842A automatically selects the A/D calibration procedure when the
CAL ENABLE switch is first pressed. The procedure must be performed in its entirety,
and may not be performed in part. If the A/D calibration is discontinued prior to
completion, the last complete set of A/D calibration constants will be retained unchanged.
To perform A/D Calibration, proceed as follows:
1. Ensure the Initial Procedure has been completed. The 8842A then displays the
6-12
Figure 6-3. Calibration Functions
Offset
Autoranging
External Trigger
Front Panel Trigger
Front panel SRQ (Under local control)
Diagnostic self-tests
prompt for the first reference source, zero volts (i.e., a short).
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