Speaker

Intended to perform testing on the device’s built-in speaker device.

• Device with internal speaker.
• Headphone Jack for earphone (optional).

Make sure to set the sound level to an audible position using the volume setting on top bar panel. And repeat this test using earphones if there is an available headphone jack. The focus is the function of the headphone jack, make sure the sound goes to the earphones and the internal speakers are turned off when the earphone jack is plugged in.