Bosch Multi-Detector DMD4 - Manual (Page 9)

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