HP 974A, User Manual, Page: 11 / 27

Hold/Auto-Hold
Press Action Main Display Secondary Display
Holds the measurement value in the
display
Measurement value when
hold pressed
Range
Enters Auto-Hold function
1
Input value Range
Cancels Hold function Measurement value Range
1
Auto-Hold Operation. When measurement becomes stable, multimeter will beep and save the
stable reading. Removing probe from measurement circuit will display and hold the last stable reading.
Range
Press Action Main Display Secondary Display
Changes from auto-ranging to manual
ranging
Measurement value Range
Change manual range UP once with
each keypress
1
Measurement value Range
Returns to auto-ranging when key is held
for 1 second
Measurement value Range
1
When upper range is reached, the sequence begins again at the lowest range.
Select
Press this key to use the functions indicated in yellow on the multimeter. See table on page 1- 8.
Hold this key to test display when turning meter on.
Operation
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