ECHOWELL ELECTRONIC Y8YCOUNT4 User manual

Hello! I have reviewed the user manual for b'Twin cycle computers C3 and CS. This document covers assembly, settings, battery changes, and usage of features like speed, distance, and stopwatch. I am ready to answer your questions about the device, particularly regarding how to adjust settings, reset values, or use the different functions described in the manual.
How do I change the batteries?

Where can I find wheel circumference sizes?

How do I reset the total distance to zero?

How can i change time?

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and (2) This device must accept any interference

received, including interference that may cause undesired operation.