Nikon Eclipse Ni-E Instruction Manual page 109

(4-2) Escape distance
(See DS-L3 Chapter 6 "5.2 Setting the Retracting Amount of the Elevating Section".)
Set the distance the objective rises from the current position when the microscope's [ESCAPE] button is pressed.
<Factory setting>
"SOFTWARE LIMIT"
For software limit, see "(6) Configuring Other Functions - (6-4)
Software Limit" for details.
Chapter 3
Individual Operations
95
[ESCAPE DISTANCE] setting
Escape amount selection