Lenovo IdeaCentre A310 4073 User Manual page 27

The best angle to use the remote control is within 30°.
30
Make sure there are no physical obstacles between the remote control and the
computer that could block the Bluetooth connection.
Note:
Bluetooth LED solid:
Indicates a normal Bluetooth connection to the computer. Otherwise, this indicates
disconnection or that the remote control is in sleep mode.

User Guide
31041269_A3_UG_EN_V1.0.indd 22 2009.11.24 9:17:11 AM