V. OPERATING INFORMATION

GAUGES CONTINUED

SPEEDOMETER/TACHOMETER

The speed/tach unit is programmable with a digital read-out indicating MPH or RPM. The parameters have been factory set.

Turn the ignition key to the “ON” position. The display will show “0000”, which indicates RPM. Press the MPH button; the readout will display “00.0” which indicates MPH.

To check the parameter settings, press the desired button and hold until four “8’s” are shown, then release (fig. 5.63B). The parameter setting will be displayed for four seconds.

Parameter Setting

RPM….. .......................................... 357 (fig. 5.63C)

MPH (11.2-38 Tire)………….…....119.3(fig. 5.63D)

To change or re-enter the parameters, press the desired button and hold in until the four “8’s” are displayed. Release the button and the parameter setting will appear. If you want to increase the setting, press the RPM button. To decrease, press the MPH button.

PROGRAMMING MPH -To program the MPH, use the formula from figure 5.64. Example (11.2-38 tires): 168 times Torque Hub® reduction of 18.25 times number of speedometer ring pick-up sensors on sensor disc of 43 equals 137256 ;divided by front tire static loaded radius of 27.3 inches equals 5027.69; 5027.69 divided into 600,000 equals parameter setting of 119.3.

This parameter setting should be checked when you receive your detasseler.

ADDITIONAL PARAMETERS – To access the miscellaneous parameters screen (fig. 5.63E), hold down both buttons at the same time until the screen with four “8’s” appears.

Use the RPM buttons to scroll the parameter settings (P3 = power-up display, P4 = signal tracking speed, P5 = input device). Use the MPH button to change the setting of the displayed parameter (either 0 or 1).

See the next page for more information.