MAHLE RTI Laser 4 - Manual (Page 21)

Page 20
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. (See Fig. 43)