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Operating Modes
The measuring tool detects objects below the sensor area
5
.
Detecting Metal Objects
After switching on, the illuminated ring
1
lights up green.
Place the measuring tool on the surface to be
scanned and move it sidewards. When the illumi-
nated ring
1
continues to light up green and no sig-
nal tone sounds, then no metal object is detectable
in the structual material below. When the measuring
tool comes close to a metal object, the amplitude in
the measuring indicator
c
increases. When the
measuring tool is above a metal object, the ring
1
turns red and a signal tone sounds.
When moving over a surface the first time, the position of the metal
object is indicated only approximately. When moving the measuring
tool over the metal object several times, the object is detected more
and more precisely. After moving over the surface above the metal
object several times (without lifting off the measuring tool from the
surface), the position of the metal object can be indicated accu-
rately: When the illuminated ring
1
lights up red and the signal tone
sounds, then the metal object is below the centre of the sensor
(below the marking hole
2
).
Scanning for “Live” Wires
The measuring tool indicates “live” wires/conductors that carry volt-
ages between 110 V and 400 V, and a frequency corresponding
with the common standard (AC with 50 to 60 Hz). Other wires/con-
ductors (carrying DC, higher/lower frequency or voltage) as well as
“dead” wires/conductors cannot be found reliably, but are possibly
indicated as metal objects.
The scan for “live” wires/conductors takes place automatically for
each measurement. When a “live” wire/connductor is detected, the
indicator
b
appears in the display. Move the measuring tool over the
surface repeatedly in order to localise the “live” wire. After moving the
measuring tool over the surface several times, the position of the
“live” wire/conductor can be indicated quite precisely. If the measur-
ing tool is very close to the wire/conductor, then the illuminated ring
1
lights up red and the signal tone sounds with rapid tone sequence.
OBJ_BUCH-308-001.book Page 15 Wednesday, January 17, 2007 9:55 AM
