This is the Japanese user manual for the Panasonic CY-ET300D ETC onboard unit. It explains the ETC system, system components, the ETC card, part names and functions, and basic operation such as inserting and removing the card and adjusting volume.
The manual also covers voice guidance and indicators, ETC information notification at toll gates, troubleshooting, connection to a car navigation system, cleaning, terminology, specifications, and after-sales service. This manual is written in Japanese.
It is a Panasonic ETC onboard unit, documented in this Japanese user manual.
ETC is an Electronic Toll Collection System that uses wireless communication to automatically pay tolls on toll roads.