Tutorials

Learn more about how to use several Chrono features.

How to use the OPUS Reload feature

10 April 2024

This feature lets you consult the contents of your OPUS or occasional smart card, and purchase new fares for your OPUS. See how to use [...]

How to use the OPUS reading feature

16 October 2023

This feature allows you to view the contents of your OPUS card or non-refillable smart card. See how to use this feature.