Spectra Precision Survey Pro v4.6 Ranger Reference Manual - Manual (Page 467)

Miscellaneous Screens
R-459
prism eliminating the possibility of the total station tracking
a different reflector that comes into view.
Using Active Prism: Check this option when using an active prism.
(This option is only available when using a total station that supports
active prisms.)
Note: In order to perform automatic repetitions when using active
prisms, active prisms must be set up over both the backsight and
foresight.
Disable Touch-Screen
[CTRL] - [ ] (space)
This option can be used to disable the touch-screen when it is
necessary to wipe it off. Press [ESC] to reactivate the touch-screen
and return to Survey Pro.
You can also temporarily deactivate the touch-
screen using either of the following methods:
• Use the , Suspend Screen quick pick.
Press [ESC] to reactivate.
• Ranger 300X/500X only: Press [Fn] -
[ ]. Repeat to reactivate.