Philips NP1100 User manual - Page 25

10 Troubleshooting I cannot hear any sound or the sound is poor, what do I do? • Press + VOL - to increase the volume. • Press the MUTE button again to reactivate the sound output. Is there a maximum distance of transmission between a Center and the NP1100 for effective streaming? Yes.The maximum distance of Wi-Fi transmission is 250m measured in open spaces. However, in a home environment, where solid obstacles such as walls and doors are present, the effective transmission distance is reduced to 50-100m. Reposition the devices if you experience transmission problems. I have not received any registration email from [email protected]. • Check that the email address that is entered in the user registration section is valid and spelled correctly. • Check that the PC has an active Internet connection. • The Internet server may be busy, try again later. • Check if the email was redirected to the spam folder. How do I avoid Wi-Fi interferences from other devices that operate in the same (2.4GHz) frequency spectrum, such as Dect phones or bluetooth devices? • Move the NP1100 at least 3m away from such devices. • Use a WEP/WPA encryption key when you create the wireless connection your PC / home network. • Change the operating channel on the interfering devices. • Turn the devices in different directions to minimize interference. The wireless firmware update failed, what do I do? 1 Ensure that the PC is connected to the Internet. 26 EN 2 Use an Ethernet cable (sold separately) to connect the NP1100 to the PC. 3 On the PC, launch the Device Manager on the PC (see 'Update through PC connection' on page 22) to update the firmware.