Johnson Level & Tool Mfg. 40-6550 User Manual

Page 18

With the sound function turned on:
- If the laser signal is above the detector, a slow short sound is emitted.
- If the laser signal is below the detector, a rapid short 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 instrument cannot receive the 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

40-6540_6550 English 6/28/05 9:44 AM Page 18

This manual is related to the following products:

40-6540