In the configuration of the interactive signage server, PostgreSQL is the server used for data storage.Here are the related configuration explanations:

• Service Status: This field displays the operational status of the PostgreSQL service, which can be either Running or Stopped.
• Install Service: Indicates whether the PostgreSQL service is installed. By default, it is installed (checked).
• Port: The communication port for the PostgreSQL service. The default is 5432. If you need to change the port, you can input the desired port number for adjustment. Ver. 9.2 Port: During the process of upgrading from an older version to a newer version of the server, there may be differences in the database structure.

> Note: When executing a software version update, it may be necessary to upgrade the database fields accordingly to ensure a smooth upgrade. If you have an older version that needs to be upgraded to a new version, please consult with the sales or service engineer for relevant assessment. Older versions are defined as version 1.6 to 2.1. Newer versions are defined as version 2.2 or above.