.
4. Replace and tighten the two retaining screws.
5. Switch the unit on and press 2nd/SET CAL (single/dual angle models only) or SET CAL (triple angle
models only).
6. Place the gauge on the calibration tile and hold down the green READ button. Use a small screwdriver
to adjust the internal calibration screw(s), located at the left-hand end of the bottom PCB (Figure 8);
determine which screw to adjust using the table below.
Gauge type
Single angle
Dual angle
Dual angle
Triple angle
Triple angle
Triple angle
Figure 7. Perpendicular filament alignment.
Angle
Adjust this screw
20/45/60/75/85°
20°
60°
20°
60°
75/85°
C
C
B
C
B
A
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