©2016 Johnson Level & Tool - Rev. 2
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Detector Usage (included in Model No. 40-6539)
1. Technical Specifications
Detecting precision
Fine: ±0.039" (±1mm)
Coarse: ±0.098" (±2.5mm)
Turn-off timer
10 minutes
Three types of sound
Size
6.614" x 2.677" x 0.905" (168 X 68 X 23mm)
2. Components
(a) Structure
1. Display window
8. Threaded hole
2. Buzzer
9. Battery-box
cap
3. Receiving window
4. Reference rabbet
5. Sound button
6. Coarse/Fine detection button
7. Power button (On/Off)
(b) Display
1. Power symbol
2. Low battery symbol
3. Coarse/Fine detection symbol
4. Sound symbol
5. Detecting position symbol
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