PeakTech 2801 Bedienungsanleitung Seite 44

6.16 Delayed Measurement
In order to trigger a time-delayed measurement, hold down the
button (4) until the timing seconds-selection of the time delay is
displayed:
Now use the "-" and "+" - buttons to set the seconds to the time-
delayed measurement and confirm by pressing the "ON/MEAS"
key (1). Now begins a countdown to zero, in which the
measurement is initiated
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