Canon PowerShot G9 - Manual (Page 208)

Connecting a TV set 206
z The video output signal can be switched (NTSC or PAL) to
accommodate different regional standards (pp. 47, 52). The
default setting varies between regions.
- NTSC: Japan, U.S.A., Canada, Taiwan and others
- PAL: Europe, Asia (excluding Taiwan), Oceania and others
- If the video system is set incorrectly, the camera output
may not display properly.
z When the camera is set to shooting mode, you can take
pictures while displaying images on the television.