Johnson 40-6515 Manuel D'instructions page 17

3515H-All_Manuals 6/2/10 10:16 AM Page 17
3. Operation Guide
Battery Installation
1. Open the battery cover and put
the batteries into the battery case
according to the polarity shown in
the battery slot.
2. Slide the battery cover back.
Note: Take the batteries out when the unit is not in use for a
long time.
4. Detecting Methods
1. This detector can detect a red rotating laser beam.
2. Press the Power Key once , the middle signal indicator will
quickly turn red first and then turns green. It will beep once
to indicate that the detector is ON.
While detecting, the signal indicators show as follows:
The lower red
LED is on
Laser Line
The laser beam is
up
Sound: Single short
sound
©2010 Johnson Level & Tool - Rev. 1
The upper red The middle LED
LED is on is orange
Laser Line
Laser Line
The laser beam is The laser beam is close
down to center
Sound: Single short Sound: Single short
sound sound
The middle LED All LEDs
are off
is green
Laser Line
The laser beam is No laser
exactly to center beam is
detected
Sound: Solid sound Sound:
No Sound
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