11.
Operating
Stud Scanning On Different Surfaces
The detector will behave dierently and results vary depending on what type of
material it is scanning though.
WARNING
DO NOT rely exclusively on the detector to locate items behind scanned
surfaces. Use information sources such as plans, visible electrical and pipe
outlets/entry points to locate objects before penetrating the surface.
• WALLPAPER
Normally this is ok to scan over. However, if the wallpaper contains metallic foil
or bres or has been freshly hung within 6 weeks, results will be inaccurate and
possibly unusable.
• FRESHLY PAINTED SURFACE
Scanning over this type of surface is ok. However, if the wall has been freshly
painted within the last 2 weeks results can be inaccurate.
• LATH & PLASTER
Due to irregularities of the plaster thickness, this type of surface is not suitable
for scanning in ‘Stud’ mode . It is recommended that you change to ‘Metal’
mode and try scanning for nail heads in the lath pieces attached to the studs.
If this surface has been reinforced with metal mesh, the detector will be unable
to scan through it.
• EXTREMELY TEXTURED WALLS & CEILINGS
To scan over this type of surface, use a piece of cardboard placed on the wall or
ceiling. Set the detector to ‘1½”’ scan mode . Place the detector on the
cardboard and scan across as normal. If you are getting irregular results please
change the detector to ‘Metal’ mode and scan for nail or screw heads in studs
or joists.
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