Hello Chas,
I confirm Joel comment; we are using 2 Datavideo DN-60 with an XH-A1 and XH-A1S; good price and good performances. A firmware update added a feature we needed (the auto BIN advance).
We hadn't problems but we will always use the tape as backup (you can gang tape and file stap/stop recording).
Be careful, it works with Sandisk CF only (we are using Extreme 60MBps).
Best Regards,
Paolo.Castellano@ivs.it
http://www.ivsEdits.com
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"Post Fata Resurgo"