MAHLE RTI Laser 4 - Manual (Page 27)

Page 27
CALIBRATION PROCEDURE
The Gauges are now parallel - “Toe reads zero”
Calibration of Right & Left Toe Gauge Laser Beams
1) Rotate all tapered magnets on the Toe Gauges
and Rear Retro-screens to zero
2) Mount the Left Toe Gauge and Left Retro-screen
to the machined surfaces on the side of the
Calibration Bar.