HP Flat Panel Display - HP f2304 High Definition 23 inch LCD Monitor - Display’s manufactured AFTER 6/10/2004, starting with Serial # CNP430Z09F need to refer to 5013-3424 User Guide

Operating the Monitor
User’s Guide 4–13
4. Press the Input button to select S-video input.
5. If the display becomes distorted, press and hold the PIP
button for at least 5 seconds until the display is
corrected.
✎
Repeat step 5 whenever the Input button is pressed, or the
Factory Reset Function is activated.