How to add Japanese language on IP Style Display (as a custom language)
This article explains how to add a custom language to an IP Style intercom and how to edit the date and time format.
First, you need to log in to the web interface, then select Hardware -> Display -> User Localization -> Upload button for uploading the language file. You can download the file with Japanese language here.

Editing the date and time format
To edit the date and time format, go to Hardware -> Display -> Date and Time. Here you can edit both.
