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M2 Data Acquisition Device Digital Multimeter Operations
• A histogram of the signal being measured displays across the screen
• The averaged result of the timing measurement appears on the upper-right side of the screen
• The minimum and maximum value readings display on the upper-left side of the screen (after
first pressing the Min/Max key).
Range
A press of either the Range or F3 key takes the meter out of the automatic voltage scale function
and allows you to change the voltage scale or resolution. Subsequent key presses switches the
display between the available ranges. Press and hold the Range key to cancel this function and
return to automatic range operation.
8.2.2 Volts AC
Figure 8-6 Volts AC selected
When sampling AC voltage the soft keys function the much the same as for DC voltage. However,
there are some differences. Brief explanations are provided below, refer to "Volts DC‚" on page 69
for more detailed descriptions.
F1 Key
The F1 key switches between normal and relative readings. A short push of the key resets the
reading, a long push opens the alternate menu.
F2 Key
A single press of the F2 key pauses, or freezes, the displayed voltage. A second press returns the
display to normal mode.
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