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An internal buzzer sounds at each contact closure during the timing period to indicate correct operation. The display on the CMC20A gives continuous indication of the pulse count during the course of the reading period - and indicates with a resolution of 1 to a maximum of 9999 counts.
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When satisfied with the setting, rotate the Rotary switch one click in any direction. This will save the selected debounce time for all future use. Note that this is saved even when the unit is switched off, or batteries are removed. Displaying the CMC20A Firmware Revision To display the Firmware Revision : ...
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