Controls, Connectors, and Indicators
66) SHIFT Selects the secondary functions of the other DMM
buttons. Primary functions are indicated on the panel
above the DMM buttons and secondary functions are
indicated below. Pressing SHIFT while shift is pending
cancels the shift prefix. A pending shift prefix will clear
automatically if another DMM button is not pressed
within 10 seconds. While the shift prefix is pending,
"SHIFT" appears in the readout.
(6?) HOLD/SMOOTH Changes the display mode.
HOLD "Freezes" the display, which also shows "HLD."
Display updating resumes when any DMM button
is pressed.
SMOOTH Filters measurement variations from the display. The
display represents the mean value calculated from a
series of accumulated measurements. A numeral in
the upper right of the display shows how many
measurements the displayed average includes: 8, 16,
24,
32, 40, 48, 56, or 64. After 64 measurements are
accumulated, the running average is updated, after
each eight measurements, to reflect the most recent
64 measurements. To reset the averaging process,
smoothing must be deselected, then selected again.
68} MIN/MAX
DISPLAY —
MIN/MAX
RESET
Displays the minimum or maximum measurement or
resets the minimum and maximum to the next
measurement value.
Repeated operation of MIN/MAX DISPLAY steps the
display through the sequence of minimum, maximum,
then present measurements. Minimum and maximum
values are updated with each measurement, regardless
of which of the three displays is selected and regardless
of whether smoothing is in effect.
MIN/MAX Initializes the minimum and maximum values when
RESET the next measurement is made. Selecting a new
DMM function also resets the minimum and
maximum values.
2465B/2455B/2445B Operators
5-31
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