# Working Advice

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The laser receiver can be aligned vertically (plumb line) with the spirit level (60). If a laser receiver is mounted at an angle, it will give incorrect measurements.

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You can mark the position of the laser beam at the centre mark (62) on the left and right of the laser receiver when the beam hits the centre of the reception area (54).

When marking, take care to align the laser receiver so that it is exactly vertical (with a horizontal laser beam) or horizontal (with a vertical laser beam), as otherwise the marks are offset with respect to the laser beam.

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You can use the holder (76) to attach the laser receiver to a measuring rod (78) as well as to other auxiliary tools with a width of up to 65 mm.

1. Screw the holder (76) to the retainer opening (64) on the rear side of the laser receiver with the fastening screw (79).
2. Loosen the rotary knob (77) on the holder, slide the holder onto the measuring rod (78) and retighten the rotary knob (77).

You can use the spirit level (74) to ensure that the holder (76) is horizontally aligned along with the laser receiver. If the laser receiver is mounted at an angle, it will give incorrect measurements.

The centre line reference (75) on the holder is situated at the same height as the centre marking (62) and can be used for marking the laser beam.

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If an attachment is not required to be especially secure, the laser receiver can be attached to steel parts using the magnets (63).