Troubleshooting - Bosch Multi-Detector DMD4 Operating/Safety Instructions Manual

BM 2609140574 08-08
Metal Scan
Issue
Image of metal object
appears wider than actual
size.
Difficulty detecting metal.
Seemingly false metal
detection.
Wood Scan
Issue
Difficult detecting wood
studs and joists.
Difficult to successfully
starting scan near doors
and/or windows.
More items than anticipated
are detected.
9/3/08 8:40 AM Page 9
Trouble Shooting
Possible Reason
• DMD4's metal detection
is very sensitive.
• Metal objects are too
deep. (See Maximun
Scanning Depth, page 4.)
• Jewelry or mechanical
pencil are too close to
SENSOR area.
Possible Reason
• Studs and joists are
too deep.
• Double and triple studs
are usually found around
doors and windows.
• Wood scan detects
metal and other dense
objects as well as studs
and joists.
Remedy
• Use ZOOM feature to more
precisely determine location
and center of metal object(s).
• Use ZOOM feature
• Scan in vertical direction as
well as horizontal direction.
• Remove jewelry
• Use non-mechanical pencil
• Recalibrate detector.
Remedy
• Change to metal scan to search
for nails or screws that may
indicate location of the stud
or joist.
• Start scan farther away so
that outer edge of multiple
studs and /or headers are
detected.
• Conduct metal scan as well
to help determine which
detected items are metal,
rather than something else,
such as wood studs or
plastic pipes.
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