DeWalt DCT418S1 Instruction Manual page 14

4. The hand-held radar scanner has a scannable range of 9.8 feet
(3 meters) of wall section. The yellow memory bar will fill, indicating
how much of the available range is used. As the distance limit is
approached, the memory bar will turn red.
5. Reverse scanning direction to read the mapped data. The main
viewing screen below will appear.
Ensure that the wheels are in contact with the wall surface during the
entire pre-scan data mapping and scanning passes.
MAIN VIEWING SCREEN
The main viewing screen contains several sections of information.
P
O
S
O. Main Scanning Window
P. Confidence Meter
Q. Material Identification Window
R. Battery Fuel Gauge
S. Tracking Bar
Main Scanning Window
The main scanning window (O) will give a graphical representation of
the item identified below the wall surface.
Items identified include wood, ferrous metal, non-ferrous metal, plastic
and live electric wires.
Wood Live Electric
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R
Q
Ferrous Metal