Pentax OPTIO 33L Operating Manual page 55

If you hold down the shutter release button for one second or more, the
camera will record while you hold down the button. Recording stops
when you release the shutter release button.
Playing Back Movie Pictures ,_ p.75 ]
: The flash will not fire in Movie Picture mode.
Continuous Shooting is not available in Movie Picture mode:
• The only focus mode available in Movie Picture mode is Autofocus.