Enjoying tv with windows media center 44, Frequently asked questions 49, Troubleshooting 52 – Acer Aspire E1-521 User Manual
Page 19: Regulations and safety notices 54

High-Definition Multimedia Interface
Enjoying TV with Windows Media Center
Watching TV using the optional DVB-T (digital TV) antenna
(for selected models)
To connect the digital antenna
Watching TV with an external antenna or cable socket
International Travelers Warranty (ITW)
Regulations and safety notices
Radio device regulatory notice
Wireless operation channels for different domains
France: Restricted wireless frequency bands
Canada — Low-power license-exempt radio
communication devices (RSS-210)
Exposure of humans to RF fields (RSS-102)