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4-1/2 Digit Mode (Model 87)
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Models 83 and 85 Bar Graph
The bar graph on Models 83 and 85 consists of 43
segments. The number of lit segments is relative to the
full-scale value of the selected range. The polarity
indicator at the left of the graph indicates the polarity of
the input. For example, if the 40 V range is selected, the
"4" on the scale represents 40 V. An input of -30 V would
light the negative sign and the segments up to the "3" on
the scale.
If the input equals or exceeds the 4096 counts on a
manually-selected range, all segments are lit and®
appears to the right of the bar graph. The graph does not
operate with the capacitance or frequency counter
functions.
The bar graph on Models 83 and 85 also has a zoom
function, as described under "Zoom Mode".
4-1/2 Digit Mode (Model 87)
On a Model 87 meter, pressing the yellow button for one
second causes the meter to enter the high-resolution,
4-1/2 digit mode. Readings are displayed at 10 times the
normal resolution with a maximum display of 19,999
counts. The display is updated once per second. The
4-1/2 digit mode works in all modes except capacitance
and the 250 µs and 100 ms MIN MAX modes.
To return to the 3-1/2 digit mode, press the yellow button
only until all of the display segments turn on (about one
second).