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Challenge BD7223 User Manual page 2

3 in 1 detector

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Component List
PLEASE READ THE INSTRUCTION MANUAL PRIOR TO OPERATING THIS
PRODUCT AND KEEP FOR FUTURE USE.
Dia 1
1
2
3
4
5
6
7
8
USE
Component
To shield the battery from external environment
1. Battery cover
2. Power button
Power can be turned on when the button is pressed
3. Stud LED
It lights when the Detector detects wood
4. Metal LED
It lights when the Detector detects metal
5. Power LED
It lights when powered on
6. LowBat LED
It lights when the capacity of the battery is over
7. Voltage LED
It lights when the Detector detects AC voltage
8. Mode switch
Slide left or right for the intended detection purpose
PREPARING THE DETECTOR FOR USE
1. Slide off the battery cover on the back of
unit and connect a fresh 12V battery,
see Dia 2 & 3. Ensure battery is fitted in
the correct manner, note positive (+) and
negative (-) connections.
2. Restore the cover and securely snap in
place, now the detector is ready for use.
See Dia 4.
NOTE:
Be sure to use a DURACELL MN21/23 12Volt Battery or its equivalent (available
in most hardware stores) with this detector.
-1-
Dia 2
Slide off cover
USING THE DETECTOR
Dia 3
- 23A/12V +
Fit battery
USING THE DETECTOR
NOTE:
The unit will not detect items that are shielded in some way or are in excess of 30mm
from the surface.
Because the unit is sensitive at detection you should repeat the process to confirm
position of wire, metal or wood.
For best detection sensitivity, always scan with the unit vertical to the surface when
detecting AC voltage and metal. Lie the unit flat on the surface when detecting wood.
1. Scanning for AC voltage (50Hz 230V or 60Hz 110V) in Voltage Mode.
Push the Mode switch in Voltage mode position, see Dia 5.
Press the Power button to turn on Power.
Voltage LED keeps on lighting if AC voltage is around the detector, otherwise the
Voltage LED turns off automatically after flickering for about 30 seconds.
To scan for AC voltage, move the detector in one direction. The Voltage LED will
flicker and buzzers will be heard when it detects AC voltage. Keep scanning in this
case until the Voltage LED goes off. Then move the detector in reverse direction.
Repeat the scanning for several times to ascertain the wire position. When the
detector moves closer to the wire, the Voltage LED flashes (emitting green light)
faster and buzzer sounds faster until the Voltage LED emits red light. Make a mark
from different directions. The wire is in the middle of the two marks, see Dia 6.
Dia 5
Push to
Voltage/
Metal
Mode
2. Scanning for metal in Metal Mode
Push the Mode switch in Metal mode position.(Refer to Dia 5)
Put the Detector far away from metals, then press the Power button to turn on power.
The Power LED comes on and Metal LED lights for about 30 seconds then turns off
automatically.
Dia 4
Restore cover
90
Dia 6
Position
o
90
Keep unit vertical to the surface
o
-2-

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