Grin Cycle Analyst V3.1 Official User Manual page 12

Cycle Analyst V3.1 User Manual
Rev 1.0
using the hall sensors for wheel speed, then it will toggle up and down many
times as you turn the wheel. Most setup menus provide a preview of the related
signals seen by the CA which can be valuable for setup and troubleshooting.
To change any of these settings, press and hold the RIGHT button to enter into
the speedometer setup menu.
6.2.1 Metric / Imperial Units
The first item you may want to change in the speedometer setup menu is your
preference for metric or imperial units. This is edited by pressing and holding the
button, toggling to your preferred units, and holding the button again to save.
One small detail: if you do change between miles and km in the future, your total
odometer distance will not automatically update. If there are 1000 miles present
and the units are then switched to km, it will show 1000km rather than 1598km.
6.2.2 Wheel Circumference
Accurate speed readings require an accurate wheel size. The default value of
2075mm corresponds to a diameter of exactly 26.0", but a nominal 26" wheel is
rarely going to be exactly 26" diameter. The table below shows the approximate
value for a number of common wheel sizes, but for best accuracy you should
simply measure your wheel circumference directly with a tape ruler, or compare
the CA's trip distance with google maps distance and adjust accordingly:
12