Faria Instruments IS0157 - Manual (Page 9)

Page 7
The speed at this point is not important.
The operator may even stop and wait, as
long as power is not turned off and the
measured mile or kilometer is followed as
straight as possible, the operator may not
turn around and go in the opposite
direction. Also for the maximum accuracy,
the operator should not enter any off road
parking as this would deviate from a
straight mile or kilometer measurement.
At the end of the measured mile or
kilometer the operator must press and
release the push-button one more time,
the display will show “CALCInG”
(Calculating)
while the microprocessor calculates the
numbers it needs and will restart. The
new pulses per mile or kilometer will now
be in effect. This feature may be
abandoned at anytime by pressing and
holding the push-button for two seconds.
The microprocessor will reset itself and
continue normal operations. This menu
item may also be stopped by turning off
power to the speedometer.
4. The forth menu item “SELF L ” (Self
calibrate low axle) is used to automatically
calculate the pulses per mile or kilometer
for the low ratio axle.
The implementation and setting are the
same as number 3 “SELF HI” above.
5. The last feature “donE” is used to exit
from this menu. If this display is left on for
4 seconds and the push-button is not
pressed, the microprocessor will return to
normal operation with nothing changed.