Chapter 3
Theory of Operation
P/N 57150002, Revision 5.0 3 - 27 Trimble S, VX, SPS & RTS Service Manual
F
Face2 panel & optical plummet
The Face2 panel is a graphical display with built in backlight. It is controlled with three buttons,
change face, scroll and enter.
When a Control Unit is attached to the instrument, the application software running in the TCU will
have control over the face2 display and keyboard.
The optical plummet allows the instrument to be positioned to an accuracy of 0.3 mm from an
instrument height of 1.5m over a ground mark.
The Face 2 panel is not available on the Trimble S3 instruments (Face 2 panel available on Trimble
S3 Servo/Autolock on some markets). The Trimble S3 Total Station is equipped with a Face 2 cover
instead of the Face 2 panel. The optical plummet is not available on Trimble S3 Total Station and has
been replaced with an optical plummet in the tribrach.
Location of Face2 display & optical plummet
Fig. 3-26 Face 2 display & optical plummet location
Technical specifications
Optical plummet
Focusing range: 0,5 m to infinite.
Accuracy/range: ± 0.3 mm/1.5 m
Field of view: ± 2.5
Magnification: 2.3
Face 2 panel incl.
optical plummet
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