70INFORMATION Menu and Others77 INFORMATION Menu and Others7.3 Configuring Volume in the Initial Screen7.3.1 VolumeAdjust the Volume by moving the JOG button when the Direct Key Guide is displayed on the screen.1 When you control the JOG button LEFT/RIGHT, the following screen will appear.2 Adjust the Volume controlling the JOG button LEFT/RIGHT. This is only for SE390 series models with an earphone jack and in HDMI mode. If the audio quality of a connected input device is poor, the Auto Mute function on the product maymute the sound or cause choppy audio when applying the headphones.Set the input volume for the input device to at least 20% and control the volume using the volumecontrol (JOG button LEFT/RIGHT) on the product. What is Auto Mute?The function mutes the audio to improve sound effect when there is sound noise or when theinput signal is weak, usually due to a problem with the volume of an input device.50Volume