Error! Main Document Only.Chapter 5. Installing the Display SystemSTACK ST8130 Series Road Car Display Systems
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Users Guide
Electrical
Electrical
The amplifier connects into the ST8130 system via a four way Mini Sure
Seal (MSS) socket, the larger of the two connectors on the amplifier. Use
the extender cable with an MSS connector at each end to connect the
amplifier to the WS input on the harness.
The plug, the smaller of the two connectors on the amplifier, is the
connection to the sensor. Use the cable with an MSS connector at one
end and two wires at the other to connect the amplifier to the speed
sensor.
For a two wire sensor, connect sensor wires to the red and black wires on
the cable.
For a single wire sensor, connect the sensor wire to the red wire on the
cable.
Adjustment
Adjustment
Once the system has been fully wired power should be applied.
At this stage it is desirable to arrange for the sensor to generate a low
frequency signal by spinning the wheel slowly. The red LED at the end of
the amplifier should be seen to flash as each signal is received. If the
frequency is higher than approximately 10 flashes/second the LED may
only appear to dim, as the flashing is too fast for the eye to see.
If this does not happen (the LED is always on or off) it will be necessary
to adjust the input sensitivity of the amplifier to match the sensor. This
is accomplished by turning the small screw head which is recessed in the
hole adjacent to the LED. This should be adjusted until the LED flashes
consistently.
The operation should be checked at the lowest possible frequency, as this
is the most likely speed for problems to occur.
Following these adjustments, correct operation can be verified by
observing the LCD speedometer at a range of speeds.
