Troxler RoadReader 3430 - Adjusting Display Contrast

Appendix A–10
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The gauge display may be difficult to read when viewed in
bright light. If so, adjust the display contrast as follows:
1
1
.
.
Loosen the four captive screws located in the corners of the
keypad.
2
2
.
.
Gently lift the control unit from the gauge and tilt it forward.
3
3
.
.
As shown in the image below, an adjustment potentiometer
for the display contrast is located inside an access hole in
the back panel of the control unit.
4
4
.
.
Using a small screwdriver, adjust the potentiometer to
obtain the desired display contrast.
5
5
.
.
Gently place the control unit inside the gauge and tighten
the four captive screws in the corners of the keypad.
Figure 12. Adjusting the Display Contrast