How to record videos on panasonic lumix dmc-f3

Make sure you are not using an incompatible card like a SDHC card which looks identical. If the F3 can use those cards, make sure you format it in the menu system. If it still fails, try another card, it may be bad. Remove the card and do a short recording to internal memory to check system, if it is capable.

It can be the SD card. To confirm you can borrow SD card from your friends or family and check.

Yes, the DMC-FZ20 can record videos in 320x240 resolution. Refer to the "Motion image mode" section on page 56 of the manual.

Yes format the memory card. Go into the camera's Menu and select Foemat memory card.

You can download the manual here.

I've seen this camera glitch up before when trying to delete a video from within the camera. I'd suggest connecting it to a computer and deleting the video off the memory that way.

If you shoot a video, the sound is automatically recorded.

It might be telling you that the card you have in the camera isn't fast enough to keep up with the demands of a video recording. You need to buy a more expensive card with a faster speed rating.

You should read the manual.

It states that you can only zoom before you start recording video, and not while recording.

This is not a fault