7180 Rudder Angle Indicator
Kobelt Manufacturing Co. Ltd.
Rev B
MNL_7180
16 of 24
Figure 7: Master Unit Calibration Trimpot Arrangement
5.2.1
Span Trimpot
The span trimpot adjusts the range of the meter when slave units are added in series.
Do not press down on the potentiometer as this can damage the
circuitry.
5.2.2
Zero Adjustment
The zero-adjustment lever is located inside the lightbulb cavity and can be accessed by
removing the red plug or the lightbulb, if installed. The zero point is adjusted by moving the
small lever inside the meter. Calibration of the zero point should be done when the rudder is
at dead-center.
