Vetta V100 User Manual page 22

SETUP: WHEEL CIRCUMFERENCE
After the bike number is selected and the
display advances to the Wheel Size Setup
screen, "circ" appears in small letters on the
lower level and the default numbers 2074
appear on the upper level with the right digit
"4" flashing.
Step 1: To enter a specific wheel size, press
Button #2 to advance the flashing digit
to the desired number.
When the correct number is reached,
Step 2:
select it by pressing Button #1. The
next digit to the left will start flashing.
Step 3: Press Button #2 to advance the
flashing digit to the next desired
number in the sequence and press
Button #1 once again to select it and
advance. Repeat this procedure until
all four digits are selected. The
computer will automatically advance
to the Service Timer Setup screen.