Vivitar DVR 850HD User Manual page 38

4) Press the Up button to adjust and increase the speaker volume or the Down button to decrease the
speaker volume.
Video Playback Mode Menus
The following are the menus that appear when you press the OK button in your camcorder's Video
Playback Mode:
Protect/Lock Menu
Pictures and Videos taken with your camcorder can be protected or "locked" to prevent any deletion or
alteration being made to the files.
1) Press the OK button to enter the Menu mode.
2) Press the LEFT or RIGHT button to select the menu item.
3) Press the UP or DOWN direction control buttons to scroll through the submenu options.
4) Press the OK button to select the desired option.
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