thank you for your feed back Tom.
I had a look at the settings in the clip browser…
The sequence frame size is: 720 x 576, compressor is: DV Pal , pixel aspect is: pal ccir601 and field dominance is :Lower
the clip frame size is 640 x 480, the sequence compressor: does not show, pixel aspect is:square and field dominance is: none
I have tried changing the sequence settings to match the clip settings but this does not seem to have worked.
perhaps I need to change the clip settings instead but so far Ive not figured out how to do this.
Is there a better way to do this?
Many thanks
Trel