Leica DNA03 User Manual page 100

Difference
Difference of the two collimation errors.
Reticle
Final value for staff A. For adjusting the reticle see
section Check & Adjust.
<SET>
The new collimation error is stored in the system as
corrective value.
<QUIT>
The old collimation error remains set.
The <<Back-function is blocked. No sight is
repeatable. The measurement is repeated if
a disturbance occures during a measurement.
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