Display Hold; Manual And Autoranging - Fluke 233 User Manual

True-rms remote display digital multimeter
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233
Users Manual

Display Hold

XW Warning
To prevent electrical shock, when Display
HOLD is on, disable Display HOLD to
measure the voltage that is possibly different
than the Display HOLD measurement.
Display HOLD freezes the display.
1.
Push  to activate Display HOLD. ( is
shown.)
2.
To exit and start normal operation, push  or turn
the function switch.

Manual and Autoranging

The Meter has Manual and Autorange modes.
In the Autorange mode, the Meter sets the range to
one with the best resolution for the input signal.
In the Manual Range mode, you override Autorange
and set the range yourself.
When you turn the Meter on, it is set to Autorange and
Auto Range shows in the display.
1.
To set the Meter to the Manual Range mode, push
. Manual Range shows in the display.
14
2.
In the Manual Range mode, push  to increment
the range. After the highest range, the range of the
Meter is set to the lowest range.
You cannot manually change the range in the
MIN MAX AVG or Display HOLD modes.
If you push while in MIN MAX AVG or
Display HOLD, the Meter beeps twice, indicating
an invalid operation and the range does not
change.
3.
To exit Manual Range, push  for at least one
second or turn the function switch. The Meter is set to
Autorange and Auto Range shows in the display.
Note

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