Spectra Precision Focus 30 Service Manual

Chapter 3
Theory of Operation
P/N 79000035_SM, Version 1.5 3 - 19 Focus 30/35 Service Manual
Functional description
The Tracklight
®
is a visible guide light. It emits two coloured lights, red and green. The colours
represents each side of the centre. The red and green lights enables the rod person to align himself
with the line of sight to the instrument.
Fig. 3-16 Tracklight working principle
The unit consists of one red and one green LED. If you see the red light on the left side and the green
light on the right side on the rod the direction to the optical axis of the Total station is o.k. The
Tracklight is connected to the Tracker servo focus board.
Block diagram
Fig. 3-17 Tracklight block diagram
Service
Maintenance
• Alignment of Tracklight
Replacement of service parts
• Tracklight unit
Green
Red
Total station
Optical axis
Rod
TSF board MCB board
Tracklight

Spectra Precision Focus 30 Specifications

General

Brand	Spectra Precision
Model	Focus 30
Category	Measuring Instruments
Language	English