Cateye PERSONAL CYCLOCOMPUTER OS 1.0 Reference Manual page 11

Tire size setting
Inputs two different tire sizes A and B.
To input it by inch scale, choose EASY. For more ac-
curate measurement, choose CUSTOM and input it
in millimeters, by measuring the exact wheel circum-
ference.
Date setting
Changes the date setting. It is important to input the
correct date as it affects the accumulated data.
Display contrast setting
Adjusts the contrast of the screen (right: darker, left: lighter).
Note: The darker the display, the higher the battery consumption.
Personal distance
You can input accumulated distance from a different
cyclocomputer. Then the total distance starts mea-
suring from that figure (refer to page 12).
Mode navigation on/off
Shows what is the previous/next function when
MODE button is pressed to navigate to a new func-
tion. In the default setup, mode navigation is on.
Function customizing
Selects only your favorite functions that you
want to use (refer to page 12).
OS 1.0 11