User`s manual

Table Of Contents
6. Viewer
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Barco – Apollo – DOC-3197-2 – user's manual – Revision 08 – November 2006
6.3 Limitations
The Control Room Bus does not support more than 255 applications on one computer.
The maximum number of viewers depends on the number of visible IDC’s and is about 90-130.
The ProServer is limited to 16 clients. The max. scraping size is 120 MB display memory, cf. 6.6.5 Steps required to
configure the ProViewer
Neither ProServer nor VNC Server transfer rubber boxes.
Apollo 1.9 Cottus Viewer is based on Funk Proxy Host 5.1. Recording and playing back sessions are based on the
functionality of the Funk Gateway Server 5.1. In case there are recorded sessions of a previous version of Apollo,
and you still want to make use of them, contact Barco: The recordings have to be converted to be compliant with
Funk Gateway Server 5.1.
6.4 Memory requirements (minimal RAM size)
As already mentioned in the system requirements, every viewer needs about 20-30 MB RAM. Together with the
need of the operating systems (200MB) and the base display wall system(100MB), the numbers of viewers de-
fine the required memory to be installed in the TransForm A processor.
For screen viewers the resolution of the grabbed desktop has to be taken into consideration as well.
The following table lists the memory requirements of the viewers:
Viewer memory
FRG Viewer 7 MB
Web Viewer 20 MB
Cottus Viewer 10 MB + target screen resolution
Pro Viewer 10 MB + target screen resolution
VNC Viewer 10 MB + target screen resolution
The target screen resolution of the screen viewers (Cottus Viewer, Pro Viewer, VNC Viewer) result in the below
listed additional RAM (approx. values):
Screen resolution memory
XGA 3 MB
SXGA 5 MB
SXGA+ 6 MB
Double SXGA 10 MB
UXGA 8 MB
Please keep in mind that the operating system and the base wall display system
contribute with additional 300MB