HEIDENHAIN ND 1200R - Manual (Page 46)

46 1 Operation
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1.7 Navigating to a target
The ND 1200R displays all entered target positions as an R (radius) and
A (angle) distance from the current position. Navigating to a target is
accomplished by moving the drill head to zero directly above the
desired target position. This is for either direct targeting or from the
Pattern function.
To navigate to a target:
 Select a target. The Distance from Target screen is displayed.
 Move the tool in or out along the R axis until the R display reads zero.
 Rotate the radial arm until the A display reads zero. The tool is now
positioned above the center of the target.
 Lock the drill head and drill the hole.
It is important to zero the R axis first. If the A axis is zeroed
first and the tool is moved in or out along the R axis, the
zero on the A axis will be lost.
Move the tool in or out until the R axis
reads zero Move the radial arm until the A axis reads
zero