Slipping frames during master to tape

HI,
I'm having trouble getting frame accurate edit / master to tape. I'm playing out from FCP 6.0.5 to a Sony HVRM 25 P Deck, in PAL DVCam recording mode via firewire, using the master to tape function.
My tapes are always blacked at the head with correct timecode (generated via my deck), and bars & tone generated from FCP, and I then use the master to tape function (using Assembly edit from FCP, and TC on regenerate on the deck) with a specific timecode start (09:58:00:00, for what it's worth - this show's going to England).
I've gotten into the habit of re-setting FCP to the default DV Pal easy set up when doing my playouts to tape (just to ensure there aren't any hiccups), yet my playouts are consistently a couple of frames out - but the number of frames seems to vary for each playout.
I suspect that there's a mis-communication going on between FCP & my deck. Is it worthwhile establishing LANC control with my deck? If so, how?
Overall, how do I get my playouts frame accurate?
Thanks!
Message was edited by: ZillaB

Grab SimpleVideoOut from Apple's dev site and pull the pre built app (SimpleVideoOut X) from within the SimpleVideoOut Folder
You should be able to use this app to lay off to DV tape with timecode.
Simply build your edit on a DV timeline together with bars and tone, black and clock/slate in the leader area ... set the timeline start timecode to that which you want the tape to start eg 00:58:00:00 and lay the leader elements and your edit at the appropriate timecodes.
Then Export > QuickTime Movie and drop that movie onto the SimpleVideoOut X icon
http://developer.apple.com/samplecode/SimpleVideoOut/index.html

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