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Reviews (1)
18 Apr, 2018
Used for CARM CRT upgrade
I have a SIEMENS Siremobil ISO-C C-ARM (circa 2001). Over time, both CRT monitors blew out. I figured, should be relatively simple to convert the Monochrome composite video signal to a VGA signal. Well, I was overconfident. However, I was able to get it to work with this device.
First off: I tried about 10 other composite to VGA converters, but had to return them. The problem is that the C-ARM sends out a 31.5 kHz composite signal, but your standard composite signal runs at 15.75 kHz. So unfortunately, every one of these composite to VGA converters would display 4 low res images on the LCD display. Not a single converter knew enough to identify the 31.5 kHz signal.
I noticed that my Sony UP-980 printer was able to interpret the signal, so I looked for a Sony solution. With the composite BNC connected, this device also did not recognize the 31.5 kHz signal. Then I got the idea of getting an RGB to 15 pin adapter and connecting the composite signal to the green pin. This allowed me to send the signal to a different port on the DSC-1024HD.
The Sony DSC1024HD identifies the signal as "Other" and it displays an image comparable to the original CRT. The only problem is that the image is Black & Green as opposed to Black & White.
So, only 4 stars. However, refurbished CRTs were not available, and even if they were, they'd cost about $2,000-$4,000. And a multi-sync display capable of displaying the image sold by a medical parts store was almost $5,000. So, 2 of those would almost be the cost of a refurbished C-arm. I am close to getting a new C-arm anyway, but for the cost of 2 LCD displays, 2 RGB to 15 pin male adapter cords, and 2 Sony DSC1024HD, I was able to get a few more years out of my current machine.