Adjust Volume; Key Lock Function; Press Play - Macvision MA833A Operation Manual

Adjust volume

Decrease volume by pressing VOL-; increase volume by pressing VOL+.

Key lock function

The unit will lock automatically after the pre-set lock time (please see pg. 14 to
reset the Auto locking time)
To unlock the unit:
Push the "Next" key then the "Last" key to unlock the unit.
(Please refer to the screen display):

Press PLAY

Play or stop (or pause while recording); exit from submenu.
Push key
to unlock !
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