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dtectc_bu_1609929H74_t.fm Seite 4 Montag, 21. März 2005 1:49 13
The explanation can be restarted at any time as long as the
is shown at the bottom left on the display by pressing the "mode" but-
ton 8. Pressing the "start" button 6 stops the explanation and meas-
uring can start.
Switching off:
Press the "on/off" button 5.
After approx. 5 min without performing a measurement, the unit
switches off automatically to save the batteries.
Display Lighting
In the dark, press the display lighting button
lit. To switch off the lighting, press the
Measuring Procedure
The unit does not display the wall as transparent but rather in
cross section.
If the unit was not switched on while being
held against the wall, a prompt appears in
the display to place the unit against the
wall for measuring.
This instruction is not applicable under
certain climatic conditions. In the display,
the measurement indication appears al-
ready although the unit has not yet been placed against the wall.
In this case, also place the unit against the wall. The changed sequence
has no effect on the measured results.
Move the unit in the direction of travel (see Functional Method) over the
wall. Measured results are shown on display 3 after a few centimeters.
To ensure correct measurement results, the unit must be moved over
a distance of at least 8 cm.
During the measurement, the following display elements appear:
mode 1/mode 2:
a
b
c
≈350 mm
≈100 mm
m
l k
h
i
h
g
f e
Display Elements
a Measurement display type
b Cross section of the unit
c Scale of the measuring sensitivity
d Wall surface
e Depth scale for the object depth
f Dimensional unit for the depth scale
g Grey: Area not yet examined
h Outer edges of the unit
i Middle line of the unit whose position corresponds to the aligning
aid 9 on the unit
k Centre of object found in the wall
l Black: Object found in the wall
m White: Already examined area
n Measurement curve of the signal strength
English–4
1 609 929 H74 • (05.03) T
symbol
4. The display is then
button 4 again.
mode D:
d
a
b
n
m
h
i
h g
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