General LT2234C User Manual page 10

Non-contact tachometer
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To complete your understanding of the tachometer's memory
function, make and store a set of five rpm measurements,
remembering not to push the Measure button until you are
finished. Then press and hold the MEM button as many times
as needed to make the display go into countdown mode.
Note that because you have stored five measurements, the
display will read "AN 5" once the countdown reaches zero. If
you release the MEM button and then press and hold it again,
the display will first read "1" and then the value of the first
of the five measurements you stored. If you release the MEM
button and then press and hold it again, the display will then
show "2", followed by the value of your second measure-
ment. Release, press and hold again, and the display will
show "3", followed by the value of your third measurement.
By repeating this sequence, you can retrieve up to 96 meas-
urements in the order in which they were stored. Once all of
the stored measurements have been displayed, the tachome-
ter will return to the mode in which pushing the MEM button
once, twice or three times calls up the minimum, maximum
and last values of the set of measurements you have stored.
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