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-   -   Can the A1 output 2 video signals simultaneously for monitoring? (https://www.dvinfo.net/forum/canon-xh-series-hdv-camcorders/112318-can-a1-output-2-video-signals-simultaneously-monitoring.html)

James Binder January 14th, 2008 12:11 AM

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...

Thanks –

Loren Simons January 14th, 2008 01:29 AM

thinking some sort of bnc Y adapter?
would something like this work?
http://www.etool.ca/eTool/RENDER/1/56/525/8566.html

Dan Wilder January 14th, 2008 03:20 AM

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.

-Dan

Josh Chesarek January 14th, 2008 05:57 AM

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.

Don Palomaki January 14th, 2008 07:52 AM

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.

James Binder January 19th, 2008 10:34 AM

thank you for the feedback everyone-


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