Sony DCR-TRV950 Network Function Operating Instructions Manual page 49

Recording still images on a "Memory Stick" during tape recording
You cannot shoot images with the flash during the following operations:
– Tape Recording
– Shutter speed (1/30 or smaller) adjustment
The flash does not fire even if you select auto (no indicator) and (auto red-eye
reduction) during the following operations:
– Spot light
– Shutter speed adjustment
– Sunset & moon of PROGRAM AE
– Landscape of PROGRAM AE
– Exposure
– Flexible Spot Meter
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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