Operation Manual

Rugby 670/680, Accuracy Adjustment

Calibrating the

X-axis step-by-step

Upon entering Calibration mode, the X-axis calibration screen appears:

Calibrating the

Y-axis step-by-step

After calibration of the X-axis, the Y-axis calibration screen appears:

Exiting Calibration

mode

Press and hold the Grade button for 3 seconds to save and exit Calibration mode.



Pressing the Power button at any time while in Calibration mode will exit the mode

without saving changes.

Step Description

1. When the hour glass has disappeared, indicating that the Rugby has levelled,

check both sides of the X-axis.

2. Press the Up and Down arrow buttons to bring the plane of laser light to the

specified level position.



Each step represents approximately 2 arc seconds of change. There-

fore, 5 steps equal approximately 1.5 mm at 30 m (1/16" at 100’).

3. Press the Grade button to accept the adjusted position and to switch to the

Y-axis calibration screen.

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Step Description

1. When the hour glass has disappeared, indicating that the Rugby has levelled,

check both sides of the Y-axis.

2. Press the Up and Down arrow buttons to bring the plane of laser light to the

specified level position.



Each step represents approximately 2 arc seconds of change. There-

fore, 5 steps equal approximately 1.5 mm at 30 m (1/16" at 100’).

3. Press the Grade button to accept the adjusted position and to switch to the

X-axis calibration screen.

4. Press and hold the Grade button for 3 seconds to accept the adjusted posi-

tions, save and store the calibration settings and return to the Main User

screen.

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