Take note of the following illustrations:
Fig. 1 Fig. 2
The further you are from the wall, the wider is the area (a) that the Multi-Purpose
Detector must measure by ultrasound (Fig. 2). Therefore take care that the
Multi-Purpose Detector is always directed at a right angle towards a level
surface (Fig. 1 and 3). Ensure that there are no objects positioned within the
measurement area.
False!
(Fig. 3)
The display illumination glows during the measurement. If a button is not pressed
within ca. 15 seconds, the illumination extinguishes. After a further ca. 15 se-
conds the diplay itself switches off. Press the button READ
6
, to reactivate the
display and the illumination.
Note:
Inaccurate measurements can also occur through a weak battery.
If the battery is too weak, the battery symbol appears in the display.
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