V. OPERATING INFORMATION 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
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
“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. 5.52B). The parameter setting will
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
be displayed for four seconds.
tires): 168 times Torque Hub® reduction of 19 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 A
C
B
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. D A = Torque-Hub® reduction B = speedometer ring pick-up C = static loaded radius Y = MPH parameter setting
E FIG 5.63
ADDITIONAL PARAMETERS – To access the
168 x A x B C
X
600,000 X
Y
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
FIG 5.64 settings (P3 = power-up display, P4 = signal tracking speed, P5 = input device). Use the MPH button speed sensor
to change the setting of the displayed parameter (either 0 or 1). See the next page for more information.
FIG 5.65
62 OPERATING INFORMATION CONTINUED
