Distorted Sound; Headphone/Bluetooth Audio Device Volume Cannot Be Adjusted - Sony Bravia KD-49XF9005 Help Manual

Help Guide
Audio noise.
Connecting an audio system
[147] Troubleshooting | Sound

Distorted sound.

Check the antenna (aerial)/cable connection.
Keep the antenna (aerial)/cable away from other connecting cables.
Keep the TV away from electrical noise sources such as cars, hair-dryers, Wi-Fi units,
mobile phones, or optical devices.
When installing an optional device, leave some space between the device and TV.
Perform [AFT] in [Manual programme preset] to improve sound for analogue reception.
(Availability of [Manual programme preset] and its options may vary depending on the
region/country/situation.)
Set [Audio filter] to [Low] or [High] to improve sound for analogue reception. ([Audio
filter] may not be available depending on your region/country.)
Related topics
Audio noise.
[148] Troubleshooting | Sound
Headphone/Bluetooth audio device volume cannot
be adjusted.
If you cannot adjust the headphone or Bluetooth audio device volume with the
buttons, press the ACTION MENU button and select [Headphone volume]/[Bluetooth
volume].
Bluetooth A2DP-supported models that can use Bluetooth audio devices have [A/V sync]
in [Settings] — [Sound].
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