ViewSonic CD4200 manual Adjusting the Volume, Using Volume Control, Using Mute, English

Adjusting the Volume

By pressing VOL + / – buttons either on this remote control or this LCD, a user can adjust the sound output of external devices which are connected to Audio Out sockets of this LCD.

Using Volume Control

Press the VOL + / – buttons to increase or decrease the volume.

Using Mute

At any time, you can turn off the sound using the Mute button.

1.Press the Mute button and the sound turns off.

2.Press Mute again or VOL + / – buttons to return audio back to the previous volume level.

ENGLISH

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