Jonathan: your problem may well be with the SCART plug/adapter you are using. SCARTs are generally unidirectional (unless specified otherwise) which means that data can only flow through them one way. It sounds like you have a SCART that is capable of delivering video into your VCR rather than out of it. It's possible to get switchable SCART plugs/adapters that allow you to specify whether you want video in or out of the device.
What makes you think it's recording if you can't see an image on the screen?
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