Sony DCR-TRV40 Operating Instructions Manual page 50

Recording still images on a "Memory Stick" during tape recording
If you leave your camcorder for rive or more minutes after disconnecting the
power supply
Your eameorder retmns to the def_mlt setting (auto).
You cannot shoot images with the flash during the following operations:
Fader
Recording
Theflash does not fire even if you selectauto (no indicator) and o (auto red-eye
reduction) during the following operations:
Exposure
Flexible Spot Meter
NightShot
Spotlight of PROGRAM AE
Sunset & moon of PROGRAM AE
Landscape of PROGRAM AE
When you use an external flash (optional) which does not have the auto red-eye
reduction
You cannot select the auto red eye reduction.
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