Philips HES4900/98 User Manual page 32

The aspect ratio of the TV screen cannot be
changed even though you have set the TV
display format.
• The aspect ratio if fi xed on the loaded
DVD disc.
• The aspect ratio may not be changed for
some TV systems.
Cannot display some fi les in USB device or
SD/MMC card
• The number of folders or fi les in the USB
device or SD/MMC card has exceeded
a certain limit. This phenomenon is not a
malfunction.
• The formats of these fi les are not
supported.
No sound or poor sound
• Adjust the volume.
• Ensure the wireless subwoofer is
connected.
No sound on HDMI connection.
• You may not hear any sound if the
connected device is non-HDCP compliant
or only DVI-compatible.
Poor radio reception
• Increase the distance between the main
unit and your TV or VCR.
• Fully extend the FM antenna.
• Connect an outdoor FM antenna instead.
EN 33