Pentax OptioV20 Operating Manual page 129

• You are recommended to use the AC adapter kit K-AC78 (optional) if you
intend to use the camera for a long time.
• Depending on the country or region, images and sound files may fail to be
played back if the video output format is set different from the one in use
there. If this happens, change the video output format setting. (p.172)
• The camera display turns off while the camera is connected to AV
equipment.
• Volume cannot be adjusted with the zoom lever while the camera is
connected to AV equipment.
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