Johnson Level 40-6770 User Manual

3708H_Manuals 7/20/10 11:27 AM Page 1

Detector Usage Model No. 40-6770

1. Technical Specifications

Detecting accuracy Fine ±0.039" (±1mm)

Coarse ±0.098" (±2.5mm)

Turn-off time 5 minutes

Operating voltage DC9V

Size 6-3/4" x 3" x 1" (0.266 x 0.118 x 0.029mm)

Weight 0.55 Ibs (0.249 Kg)

Dust and rain resistant

Illuminated Screen

Multi-functional double sides display

Buzzer for recognizing location

©2010 Johnson Level & Tool 1

3708H_Manuals 7/20/10 11:27 AM Page 2

2. Components

(a) Structure

1. Display window

2. Level vial

3. Coarse/Fine detection button

4. Horn

5. Power button

6. Sound button

7. Back light button

8. Receiving window

9. Display window

10. Reference rabbet

11. Location hole

12. Threaded hole

13. Battery-box cap

(b) Display

1. Power symbol

2. Low battery symbol

3. Coarse/Fine detection symbol

4. Sound symbol

5. Detecting position symbol

2 ©2010 Johnson Level & Tool