Bosch DMF 10 Zoom PROFESSIONAL Instructions D'emploi page 15

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OBJ_BUCH-127-002.book Page 5 Tuesday, January 8, 2008 8:37 AM
Scanning for "Live" Wires
The measuring tool can indicate "live" wires/conductors with 50 or 60 Hz
of AC. Other wires/conductors can only be indicated as metal objects.
"Live" wires/conductors are indicated both during a metal scan as well
as during a wood scan. When a "live" wire/conductor is detected, the
indicator a appears in the display. Move the measuring tool over the sur-
face repeatedly in order to localise the "live" wire/conductor more pre-
cisely. After moving the measuring tool over the surface several times,
the "live" wire/conductor can be indicated quite precisely. If the measur-
ing tool is very close to the wire/conductor (four or five bars in indicator
a), the illuminated ring 1 flashes red and the signal tone sounds with a
rapid tone sequence.
"Live" wires/conductors can be detected easier when power consumers
(e.g., lamps, appliances) are connected to the wire/conductor being
sought and switched on. Wires/conductors with 110 V, 240 V and
380 V (three-phase current) are detected with about the same scan
capacity.
Under certain conditions (such as when behind metal surfaces or behind
surfaces with high water content), "live" wires/conductors cannot be
detected with certainty. These ranges can be recognised in the metal
detection function. When a measuring value is indicated all over a larger
range of the measuring indicator f, then the material is screening off
electrically and the scan for "live" wires/conductors is not reliable.
Wires that are not "live" can be found as metal objects with the detect-
ing-metal function. However, stranded cables are not indicated (contrary
to solid copper conductors).
Operating Instructions
B On condition of the principle, the measuring values can be
impaired through certain ambient conditions. These include,
e.g., the proximity of other equipment that produce strong
magnetic or electromagnetic fields, moisture, metallic build-
ing materials, foil-laminated insulation materials or conduc-
tive wallpaper. Therefore, please also observe other information
sources (e.g. construction plans) before drilling, sawing or routing
into walls, ceilings or floors.
Switching Off the Signal Tone
The signal tone can be switched on and off. For this, press the metal-
detection button 6 and the wood-detection button 5 at the same time.
When the signal tone is switched off, the switched-off audio signal indi-
cator j appears on the display.
The signal tone setting is maintained after switching the measuring tool
off and on again.
Marking Objects
Detected objects can be marked as required. For this, remove the pencil
11 from the measuring tool and carry out the scan as usual. Once you
have found the limits or the centre of an object, simply mark the sought
after location through the marking opening 2.
"AutoCal" Calibration Indicator
When the check mark behind the "AutoCal" calibration indicator g
flashes over a longer period or if it is not displayed anymore, reliable
scanning is no longer possible. In this case, send in the measuring tool
to an authorised Bosch after-sales service agent. Exception: In the
detecting wooden objects' function, the "AutoCal" calibration indicator
g goes out as long as the "ZOOM" button 4 is not pressed.
1 609 929 P99 • 8.1.08
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