Dostmann Electronic RLD 380 Bedienungsanleitung Seite 25

Press it once to turn on the Refrigerant leak detector,
the display will illuminate with flash, for 1.5 minutes to
heat up the sensor..
Press it again to reset the ambient base concentration.
Press and hold this button for 5 second to turn OFF the
power.
(2) Verify the condition of the unit and sensor:
Set the sensitivity level to "Hi".
Open the leak check bottle cover and slowly move
it closer to snake tube nozzle.
If the indication moves up to high from low then we
should move the check bottle away and the LED
should go off again. This shows that the unit is
under working condition.
If the unit does not perform as we expect, bring the
unit for maintenance at your local sales office.
(3) Enter The Measuring Mode
Place the tip of the leak-detector probe as close as
possible to the site of the suspected leak. Try to
position the probe within 1/4 inch (6 mm) of the
possible leak source.
Slowly move the probe past each possible leakage
point.
When the instrument detects a leak source, the
audible tone will alarm. Additionally, the visual
indicators will light from left to right, Green LED
Refrigerant Leak Detector
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