Re: N-Vision HMD

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James Korotney (jkorotne++at++ford.com)
Wed, 19 Jul 1995 09:12:04 -0400

>-- On Jul 19, 9:07am, Axel Sammet wrote:
> Subject: N-Vision HMD
> Hi Folks,
>
> Has anyone successfully connected an N-Vision HMD to an ONYX RE2 using
> field sequential output mode?
>
> The setmon command I am using is:
>
> setmon -n -sb 1280x960_180qi
>
>
> I have a 13W3 to 3BNC cable connected to the Monitor outlet and connected
> the HMD to the Blue Cable (where the sync is on).
>
> I have an application in 24-Bit RGB mode running and expect a color image
> on the HMD display.
>
> Unfortunately I only get a B&W signal on the HMD as well as on my field
> sequential control monitor.
>
> <snip>

We tend to have problems often when not doing a hardware (eeprom) reprogram
in the setmon command. Not always, but common enough. The BW signal did
happen periodically. Though should be able to go to field sequential as you
did in software (setmon -n) (providing your x display is not larger than the
eeprom setting), it does not seem to be a stable thing.

To avoid it, we do a hardware reset remotely. This means restarting graphics,
so you kill the x session on the machine, logging out anyone on the display.

try prompt_remote% /usr/gfx/setmon -x -srgba 1280_960_180qi
                                       ^^^
                          specifies an eeprom reprogram on graphics restart

        prompt_remote% /usr/gfx/stopgfx
        prompt_remote% /usr/gfx/startgfx

Check the setmon man page.
see what happens. Good luck.
-james

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                              Sterling Software
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