How to set the phone do not disturb mode?

Take OPPO R9S mobile phone as an example, the setting method is as follows:

First turn on the phone, find the "Settings" icon on the phone desktop, and then click Enter.

2. After entering the phone setting interface, find the "Do Not Disturb Mode" column in the menu bar and click Enter.

Third, after entering do not disturb mode, turn on the switch in the column of "Manual Opening".

Fourth, then choose the time of Do Not Disturb mode, and the setting is completed.