BPswitch Operators Manual
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Control Panel Internal Operation
The Broadcast Pix physical panel is usually under the control of the Broadcast Pix
Server. This appendix describes this standalone behavior, and some of the
engineering settings that are also accessible from it.
Sequence of Events
When the panel powers up, it attempts to connect with the Server at its default IP
address of 192.168.53.250. If it fails to find either a Server with that address or a
Broadcast Pix Switcher application open to a show, then it asks the operator what
it should do. It does the same thing if a problem develops during normal
operation.
During normal operation the Server communicates with the panel every 5
seconds, even if there is no other traffic, and the panel always responds. These
keep-alive ping messages let both the panel and the Server know that the
situation is normal. A watchdog process in the panel software notices if these
signals stop. If they do, then the TCP/IP connection to the Server is closed, the
panel buttons are cleared, and three choices are offered to the operator, which are
displayed on the PixButtons in the upper right corner of the panel. The control
panel display is also updated to notify the operator what is going on.
There is also a way an operator can force this condition. Select the [Mem/Setup]
device button, then select the [Shift] button and then press the right most
PixButton of the three in the top right corner of the control panel, which will be
displaying, “Go Off Line”. This causes the panel to close the communications link
to the Server.
The three choices available in this off-line state are:
to connect (or reconnect) with the Server & software
Not used on FX/RX Systems
bring up an array of additional sub menu options
Join the Show
Whenever a panel is not connected to a Server, it continuously attempts
reconnection. If successful, the Join the Show button changes from green to
orange.
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