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(d) Detection
1. Coarse detection

• Aim the receiving window at the

rotating laser. Loosen the adjusting
bolt and move the detector up and
down to receive the laser signal
transmitted by the rotating laser.

• When the detector displays like

Fig. (A), move the detector slightly
down as indicated by the arrow.
When it displays like Fig. (B), move
it slightly up as indicated by
the arrow.

• When Fig. (C) is displayed, the

detector is level with the rotating laser beam..

• Tighten the adjusting bolt and mark the position on the grade rod

next to the rabbet. This mark will be the horizontal reference in the
coarse mode.

3708H_Manuals 7/20/10 11:27 AM Page 4

Содержание 40-6770

Страница 1: ...acy 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 3708H_Manuals 7 20 10 11 27 AM Page 1 ...

Страница 2: ...utton 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 3708H_Manuals 7 20 10 11 27 AM Page 2 ...

Страница 6: ...rn off timer The detector will automatically turn off if it has not received a laser signal for 5 minutes g Back light system Press the back light button which will illuminate the display window 3708H_Manuals 7 20 10 11 27 AM Page 6 ...