Sony hdw-730 Operation Manual page 252

3
Turn the MENU knob to move the t mark to either ASSIGN SW 1
or 2 to which you want to assign the function, and push the MENU
knob.
The ASS <1> or <2> SEL window corresponding to the selected
switch appears.
ASS <1> SEL window
Scrolls down on the
4
window.
ASS <2> SEL window
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Chapter 4 Adjustments and Settings for Recording