Sony HDR-CX440 How To Use Manual page 165

[183] Troubleshooting
A rattling noise is heard when this product is shaken.
If no noise is heard when this product is turned on and is in movie/photo
recording mode, the noise is produced by the movement of the internal lens.
This is not a malfunction.
[184] Troubleshooting
Intelligent Auto is canceled.
The Intelligent Auto setting is canceled if you change the following settings:
[White Balance]
[Exposure]
[Focus]
[IRIS]
[Shutter Speed]
[Low Lux]
[Scene Selection]
[ SteadyShot]
[Auto Back Light]
[Face Detection]
[185] Troubleshooting
The power abruptly turns off.
Use the AC Adaptor.
In the default setting, this product turns itself off when no operations are
performed for more than about 2 minutes ([Power Save]). Change the setting of
[Power Save], or turn on the power again.
Charge the battery pack.
[186] Troubleshooting
Troubleshooting
Troubleshooting
Troubleshooting
Troubleshooting
Overall operations
Overall operations
Batteries/power sources
Batteries/power sources