Casio YC-400 User Manual page 42

Using the PJ System Like an OHP Projector (Document Camera Mode)
3.
While watching the monitor screen image, configure the settings you
want.
To change the zoom setting, click the [Wide] or [Tele] button. You can select a zoom
factor in the range of 1X to 3X. The initial default zoom setting is 1X.
To adjust focus, display the operation bar and then select [Camera] and then [Refocus],
or press the computer keyboard's [F2] function key. If the currently selected zoom factor
is larger than 1.8X when you press the [F2] function key, it will change to 1.8X.
You can also focus manually using the four buttons to the right of the [Refocus] button.
To do this:
Make a relatively large change in the focus setting
Make a fine adjustment of the focus setting
4.
After all the settings are the way you want, click [OK] to apply them
and close the dialog box.
You can display the dialog box for adjusting the document camera while a document
camera image or rough (monitor) image is being projected.
PJ Camera settings you configure are retained until you change them again, or until you
quit PJ Camera Software. Quitting PJ Camera Software causes settings to return to their
initial defaults.
Pressing the [Refocus] button during manual focus and while the current zoom setting is
greater than 1.8X will cause the zoom setting to change automatically to 1.8X.
Click this button:
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