AccuLine 40-6680 Panduan Servis - Halaman 11
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4.0 Calibration
Calibration is a process that is used to correct for accuracy and/or functional errors above and beyond those
stated in published specifications. While Manual-leveling, Self-leveling, and Automatic-leveling (motor
driven) devices have different mechanisms that require calibration, there are similarities with optics that is
consistent regardless of the leveling mechanism. This section of the service manual discusses calibrations
specific to the 40-6680. Each item discussed is shown below.
4.1 Initial Set up
4.2 Quantifying Accuracy Error
4.3 Plumb up and Plumb Down Calibration
4.4 Front, Left, and Right Laser Calibration
4.5 Alarm Adjustment
4.1. Initial Set-up
Establish the set up shown in the following drawing referring to the instructions below.
1.
As shown above, construct an indoor platform, which is 5m away from the three sides of the wall respectively. The
platform is about 1m high.
2.
Put a bracket with a hole in the center on the platform.
3.
Drill a 3mm hole on any one right-angle surface of the prism. Put the prism below the bracket and on the platform. The
hole on the right-angle surface must be on one line with the bracket center hole. Adjust the angle to make the plumb-down
point emitted by the instrument be reflected near the position P on the wall;
4.
Set the theodolite above the bracket using a tripod. The plumb-down point of the theodolite must be on one line with the
center of the 3mm circle on the prism (under-mentioned as down adjacent light point)
Prepared By: Tim Wojo
Prism Right-angle Surface
Revision - Date: 0 – 20080430
40-6680 Service Manual
Plumb-Down Laser Line
3mm circle
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