If needed, the automatic standby time can be adjusted by following the below steps:

1. Enter standby setup mode -  Hold  and  buttons for 10 seconds until display shows first [LP] and then [Sb]. Then release the buttons to adjust the value according to below table.

2. Choose standby time - by using the  and  button. 

Choose between:

[2 0] = 20 min

[1 h] = 1 hour

[4 h] = 4 hours

[ON] = always ON 1.

3. Exit standby setup mode - Press  and  buttons together to exit standby setup mode.