beautypg.com

Johnson Level & Tool Mfg. 40-6760 User Manual

Page 7

background image

©2012 Johnson Level & Tool

7

With the sound function turned on:
- If the laser signal is above the detector, a slow sound is emitted.

- If the laser signal is below the detector, a rapid sound is emitted.
- If the laser signal is aligned on the mid portion of the detector, a

continuous sound is emitted.

Note: Whether or not the sound function is in use, there is still indicator

sound when you press the key.

(d) Using the Coarse/Fine Detecting Switch
With the detector turned ON, press the coarse/
fine switch. This switch alternates the unit
between coarse and fine detecting. The detector
has different check and measure precision.
(Fig. 19) LCD indicating coarse detection
(Fig. 20) LCD indicating fine detection

(e) Using the Illumination Function
With the detector turned ON, press the illumination switch. This
switch turns the background illumination of the LCD on and off.

(f) Power Saving Function
When the detector does not receive a laser signal for 6 continuous
minutes, and there is no detection occurring during this 6 minutes,
the unit will shut off automatically to prolong the battery’s life.

Fig. 19 Fig. 20

5501H_Manuals 1/17/12 2:32 PM Page 7