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be detected very precisely. If the measuring tool is very close to the wire, the light-up
ring (1) will flash red and the audio signal will sound at a faster rate.
Notes:
– Live wires are detected in every operating mode.
– Live wires can be detected more easily when power consumers (e.g. lamps, appli-
ances) are connected to the wire being sought and switched on. Switch off electricity
consumers before drilling, sawing or milling into the wall.
– In certain conditions (such as behind metal surfaces or behind surfaces with high
water content), live wires cannot always be detected. The signal strength of a live
wire depends on the position of the cable. Therefore, take further measurements in
close proximity or use other information sources to check if a live wire is present.
– You can detect non-live wires as metal objects in the Metal operating mode. Solid-wire
cables are not detected (as opposed to stranded-wire cables).
– Static electricity can cause wires to be detected inaccurately (e.g. over a large area)
or prevent them from being detected at all. To improve the detection, place your free
hand flat on the wall next to the measuring tool, in order to remove the static electri-
city.
Working Advice
Marking objects
If required, detected objects can be marked. Perform a measurement as usual.
Once you have found the boundaries or the centre of an object, mark its position through
the marking hole (2).
Temperature monitoring
The measuring tool features temperature monitoring, as an exact measurement is only
possible as long as the temperature inside the measuring tool remains constant.
If the temperature monitoring indicator (g) lights up, the measuring tool is outside of the
operating temperature range, or has been subjected to large fluctuations in temperature.
Switch the measuring tool off and allow it to adjust to the ambient temperature
switching it back on.
Warning function
If the warning indicator (b) lights up on the display and the operating mode indicator (4)
above the Drywall operating mode button (11) flashes, you must re-start the measure-
ment. Remove the measuring tool from the wall and place it elsewhere on the surface.
If the warning indicator (b) flashes on the display, send the measuring tool in its protect-
ive bag (19) to an authorised Bosch after-sales service centre.
1 609 92A 7ZF | (21.06.2022)
Bosch Power Tools
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