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6.9
Slope Catch step-by-
step using the Combo
6.10
Slope Lock step-by-
step using Combo
Applications
Press the Up arrow button and Down arrow button simultaneously to
☞
reset the grade value to zero while in grade entry mode.
Slope Catch
Using the Slope Catch feature you can match an existing grade. The Rugby
moves to the new grade position, displays the grade found and begins self-
levelling to maintain the grade over time. Maximum range is 100 m (300').
3
2
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1.
Set up the Rugby at the base of a slope with no grade dialled into
the Rugby and with the X-axis pointing in the direction of the slope.
2.
Adjust the height of the Combo on the rod at the base of the slope
until the on-grade (centreline) position is indicated on the Combo
by:
the centre bar,
•
a solid audio tone,
•
the digital display.
•
3.
Move the rod with the Combo to the top of the slope. To start the
Slope Catch process, press the Smart Target button and select the
first option.
The Rugby searches for the Combo until the on-grade position is
found. Once the on-grade position is found, the Combo screen dis-
plays a tick and the Combo returns to normal operation.
4.
After this signal, the Combo can be moved and used as normal. The
grade for the sloped axis is displayed on the screen and the Rugby
now self-levels to this new slope.
To use Slope Catch for the Y-axis, press the Smart Target button
☞
and choose the second option. The process is identical.
You can set up either one or both axes by using this procedure.
☞
Slope Lock
Using the Slope Lock feature, you can match an existing grade. The Rugby
moves to the new grade position, displays the grade found and begins self-
levelling to maintain the grade over time. Maximum range is 100 m (300').
Press the Smart Target button and select option 3 or 4 to begin the lock
mode. The Combo must remain in place to monitor any movements of the
rotating beam. Thus, an accurate grade setup is maintained.
X
α
3b
1
α
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