Chauvin Arnoux F407, Руководство пользователя

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2. The key can be pressed to display the frequency of the order of
harmonic concerned ;
3.14 RECORDING OF MEASUREMENT DATA/CAMPAIGNS
The device allows recording of the data/measurements acquired, using the REC
function. The default recording interval is 60 seconds. It can be set to from 1
second to 600 seconds (10 minutes) in set-up (see §3.4.3).
1. In the function being measured, apply a long press (> 2s) to the
key. The REC symbol is displayed. Recording of the measurements
starts. The data recorded are in the format: "MAX value – AVG Value
– MIN Value – Unit – Mode" (AC, DC, or AC+DC)
2. To stop recording, apply a long press (>2s) to the key. The REC
symbol disappears.
Caution : THD recording minimum time interval is 2 s.
Remarks : recording is interrupted automatically when the memory of the device is
full (REC symbol is flashing) or Bluetooth wireless communication is activated
(§
3.15 )