24
4 Water leak detection
The current noise can be heard
through the headphones.
The digital display indicates
the smallest value measured.
The small digital display in
-
dicates the previously-meas-
ured value. For the first mea
-
surement this value is 0.
The smallest measured value
is shown in the analog display
in reverse video.
z
To deactivate the
A 100
re-
lease the gauntlet key or press
the microphone key again.
If the
A 100
is not deacti-
vated when the gauntlet key
is released, the function of
the gauntlet key has been
changed (see section 4.8). In
this event press the gauntlet
key again.
z
Place the ground microphone
on the next measurement
point and proceed exactly as
described above.
The previously measured
value now appears in the small
digital display for the purposes
of comparison.
z
Use the ground microphone
to check the area of the sec-
tion where the leak is thought
to be.
The illustration on the previous
page shows an example of the
display when crossing a leak.
