Bosch GPL5 Service Manual download pdf (Page 11)

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12. Rotate the tool around 90 degrees

and position the front laser beam on the

vertical surface. Compare the height of

this beam with the height of the calibrated

side beams. If the height of this beam

matches the height of the side beams,

calibration is complete and you may exit

calibration mode. To exit Calibration

mode, push the power switch into the

CAL (override) position and hold for

5 seconds. The laser beams will flash

rapidly for the 5 seconds until it exits

calibration mode. Once out of calibration

mode, the laser beams will remain steady

if the device is level or the beams will

flash slowly if the device is out-of-level.

Release the power switch from the

CAL(override) position. You can also exit

calibration mode by turning the power

switch to the off position and back on for

normal operation. If the front beam does

not match the side beams, proceed to

the next step.

13. The goal of the next step is to position

the front beam at the same height as the

last mark to be made in the previous

steps or at the same height as the

calibrated side beams. Verify that the

laser beam are flashing fast confirming

that the device is level and in

calibration mode.

14. Insert provided tool into the back

calibration port. Locate the calibration

screw and rotate it in a clockwise

direction to the raise the beam or in the

counter-clockwise direction to lower

the beam.

15. Turn the tool and check the height

of the front beam again.

16. Repeat steps 13 steps through 15 until

the front beam matches the height of the

two calibrated side beams and proceed

to the next step.

17. Insert and screw the calibration plugs

back into the tool Calibration is

complete. Once out of calibration mode,

the laser beams will remain steady if the

device is level or the beams will flash

slowly if the device is out-of-level.

Release the power switch from the

CAL(override) position. You can also exit

calibration mode by turning the power

switch to the off position, waiting 2

seconds and back on for

normal operation.

13

15

Applications

Plumbing a surface

1. Position tool close to the surface to

be plumbed.

2. Turn on tool.

3. Measure distance A at a point relatively

close to tool and make a note of

the distance.

4. Measure distance B at a point further

away from tool and make a note of

the distance.

Note: The greater the distance between the

two points of measurement, the greater

the accuracy.

5. Compare distance A with distance B. If

distance A equals distance B, then the

surface is plumb. If distance A does not

equal distance B, then the surface is not

plumb and should be corrected.

Plumb

A

B

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