Sony NPA-MQZ1K Multi Battery Adapter Kit - Manual (Page 132)

The TV turns on automatically.
The TV does not turn on.
[133] Power | Power
The TV cannot be turned off using the remote
control.
The batteries in the remote control may be depleted. Replace them with new ones or turn
off the TV using the power button on the TV.
You can press and hold the power button on the TV to turn it off.
Note
The location of the power button on the TV varies depending on your
model/country/region.
Example of model with the power button under the LED
Hint
For TV models with 1 button on the TV (power button only), you can press the power
button on the TV to display the operation menu and adjust the volume or change
channels.
When the battery level of the remote control is low, you will see a notification on the
HOME menu.
Related topics
The remote control does not operate.