Sony FDRX3000/W Manual page 63

If you turn on the camera while charging the battery pack, charging stops and power is supplied to the
camera from the device connected via USB.
You can shoot and play back images using a USB power supply. However, the battery pack is not charged
simultaneously.
When using the camera with an external power supply, check that the icon (
power is being supplied is displayed on the screen.
While USB power is being supplied, the continuous movie shooting time may be shortened due to the
camera heating up.
Even if the AC adaptor is connected to the camera, the battery will not be charged if the camera is turned
on.
Do not remove the battery while the access lamp is lit. The data in the memory card might be corrupted.
FDR-X3000/HDR-AS300
To shoot/play back while receiving external power, insert the charged battery into the camera.
Do not remove the battery from the camera when using the camera while receiving external power.
[60] Changing the Settings
Beep
You can set the audible notification of operations ON/OFF.
Press the MENU button.
1
Press the UP button or DOWN button to select
2
(Beep) - setting value, then press the REC/ENTER button.
(All operation sounds are enabled)
(Operation sounds are emitted for the following operations only)
Power turned on
Recording started
Recording stopped
Shutter pressed
A disabled operation was selected or an error occurred
Established Wi-Fi connection
Power turned off (FDR-X3000/HDR-AS300)
(All operation sounds are disabled)
Camera settings
) indicating that USB
(Camera Settings) -