Kindly follow the below steps:
1. Press enter key for the main menu.
2. Select "mute" option from "Set" menu using the navigation key.
3. Press enter key,speaker icon will start flashing.
4. Select option "y" using the navigation key and press enter.
1. Press enter key for the main menu.
2. Select "mute" option from "Set" menu using the navigation key.
3. Press enter key,speaker icon will start flashing.
4. Select option "y" using the navigation key and press enter.