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hi,
i am running arena with 7 cam flexv100r2/
first question: how many cam should follow one marker to be ok to coordonate this marker?
second question: is it possible to install and use direct show with each cam because i've tried but it doesn't work for me?
thanks

1 - That depends on the actual overlap of the cameras, and your software settings. The software itself defaults to a min. of 3 cameras

Are you trying to use the direct show functionality at the same time that the Arena software is running?

no,not at the same time,but the program seems to be install correctly and open but the page doesn't give me any menu or choise or ....

i've made disapear the left menu ,and it's impossible to make it reapear

The left menu, in the Arena software?

You can enable the assets window, in Arena under the windows menu at the top -> Assets.

no,in direct show software

delete the reg key for the OptiShow app:

[HKEY_CURRENT_USER\Software\NaturalPoint\OptiShow]

and the UI will resort to its default appearance.

so,
it's ok now,i've got all cams to select with properties ,but there is no video when i look the video screen ,all in black?
what are theparameters to choose?

If you have multiple cameras connected, you need to use the OptiTrack property page to select the desired camera, then begin playback using the "Play" button.

Select OptiTrack camera in the TreeView
Right Click -> Properties
Select the Camera serial number from the Property Page
Click Apply
Timeline Control -> Play

That should do it.

Morgan