Can the A1 output 2 video signals simultaneously for monitoring? at DVinfo.net

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Canon XH Series HDV Camcorders
Canon XH G1S / G1 (with SDI), Canon XH A1S / A1 (without SDI).


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Old January 14th, 2008, 12:11 AM   #1
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Can the A1 output 2 video signals simultaneously for monitoring?

Can the A1 output 2 video signals simultaneously for monitoring?

I need to feed one signal to a camera mounted monitor (lcd that does not have a pass thru ‘out’) and a second to a wireless video transmitter. Any thoughts on how to accomplish this?

It seems the BNC and AV outputs can only be used one at a time, meaning you can not output video to both at the same time...

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Old January 14th, 2008, 01:29 AM   #2
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thinking some sort of bnc Y adapter?
would something like this work?
http://www.etool.ca/eTool/RENDER/1/56/525/8566.html
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Old January 14th, 2008, 03:20 AM   #3
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I've tried a passive splitter before when I needed multiple output feeds and the resulting video signals were subpar - too weak I presume. I've done some events that have required direct-to-dvd recording but I also wanted to drive a couple of monitors. I tried some other options and then it occurred to me that I could simply run the A1 output to the DVD recorder and then use it's multiple outputs to drive the monitors. Another option is a video distribution amp but I wound up getting by without one.

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Old January 14th, 2008, 05:57 AM   #4
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I have used the RCA and Firewire out at the same time, not sure if your montior has that though, does your monitor have the HD Composit in? I think you can use HD Composit and RCA out at the same time.
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Old January 14th, 2008, 07:52 AM   #5
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If both have only composite video inputs and only at 75 ohms (one cannot be switched to high impedance), you will need to get a small distribution amplifier to ensure full video signal to both inputs; e.g., something like the Horita PDA2.
http://www.horita.com/video.htm#Video_Distribution_Amps

The problem is that the camcorder composite video output impedance is 75 ohms, and intended to match to a 75 ohm input. If you do a simple (parallel) split to two 75 ohm inputs, you net about a -3.5 dB loss in signal.
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Old January 19th, 2008, 10:34 AM   #6
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thank you for the feedback everyone-
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