Panasonic PLCD8C Instruction Manual page 12

3. Mute
1) Press the up(▲) or down(▼) button to select the Mute.
2) Press the right(▶) or INPUT button.
3) Press the up(▲) or down(▼) button to select the On or Off.
4) Press the MENU button to save.
4. Volume
1) Press the up(▲) or down(▼) button to select the Volume
2) Press the left(◀) or right(▶) button to adjust Volume setting.
3) Press the MENU button to save.
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