GroundTest M71
EN – 7
4.2.1. Switching on
When switching on the instrument a brief tone is audible along
with display of all segments for about one second.
Subsequently the last firmware version as well as the last
selected measuring mode are displayed before switching off.
4.2.2. Auto Power OFF
To save battery life the instrument automatically turns off 5 minutes after last pressure of
keys. To resume operation turn on the instrument pressing the start key.
4.3. AUTO MODE
Starting up this mode the instrument will alter the measuring time to fit to the testing
conditions detected.
CAUTION
If the instrument detects an “electrical noise” lower than 0.5Vrms before
testing, it will adopt the “standard” test duration (approx. 13 s)
If the instrument detects an “electrical noise” higher than 0.5Vrms before
testing, it will extend the test duration (approx. 25s) to increase the
outcome stability even under severe measuring conditions
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