Cannot Turn On The Camera; The Power Turns Off Suddenly - Sony HDR-AS50 Manual

Wind noise reduction:
Airplane mode:
Wi-Fi connection setting:
Wi-Fi Hi power setting:
Bluetooth setting:
Bluetooth remote controller power setting:
USB power supply:
Beep:
Beep volume:
Lamp setting:
One touch recording:
Auto power off:
Switching NTSC/PAL: NTSC (depending on the regions)
Daylight saving time (summer time) setting:
[111] Troubleshooting
Troubleshooting
If you experience trouble with the camera, try the following solutions.
Check the items of troubleshooting and inspect the camera.
1
Turn the power off the camera and then on again one minute later.
2
Consult your Sony dealer or local authorized Sony service facility by phone.
3
[112] Troubleshooting

Cannot turn on the camera.

Attach a charged battery pack.
Make sure that the battery pack is inserted correctly.
[113] Troubleshooting

The power turns off suddenly.

Battery pack and power
Battery pack and power