ViewSonic IFP6550 - Page 33

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4. Press BACK key on remote control or click blank area outside menu with touch
pen to quit the on-screen menu.
To adjust the backlight and enable/disable Flicker Free:
1. Press INPUT button on remote control to display the general setting menu.
2. Drag icon directly with touch pen to adjust the backlight value.
3. Click Flicker Free icon to enable/disable the function.
4. Press EXIT key on remote control or click blank area outside menu with touch
pen to quit the on-screen menu.
To adjust the volume:
1. Press INPUT button on remote control to display the general setting menu.
2. Drag icon directly with touch pen to adjust the value.
3. Press < Mute > button on remote control to enable or disable mute function.
4. Press EXIT key on remote control or click blank area outside menu with touch
pen to quit the on-screen menu.