Grass Valley 8985FS v.1.3.2 - Manual (Page 12)

12 8985FSP/FS — Instruction Manual
Installation
In addition to the capability of providing a local external reference to this
specific 8985FSP/FS module with an 8900GEN-SM submodule installed,
slots 1 and 3 of the GeckoFlex frame have been specifically designed to dis-
tribute an independent frame bus reference transmitted from the
8900GEN-SM submodule mounted on an 8985FSP/FS module (or other
GeckoFlex module with this capability) configured for this purpose.
The external reference connected to the corresponding Genlock Loop BNCs
can be distributed to other modules in the frame that accept a genlock ref-
erence.
If another 8985FSP/FS module has already been configured and installed
for frame bus distribution, you may configure this module’s output timing
to lock to the Frame Bus 1 or Frame Bus 2 reference from the other
8985FSP/FS module. In this case, the 8985FSP/FS does not require the use
of an additional 8900GEN-SM submodule.
The use of the genlock reference is determined by the setting of the Output
Timing on the System Config web page of the module and module place-
ment in the frame and jumper configuration as summarized below.
• Local Reference – the 8985FSP/FS with an 8900GEN-SM submodule
can have a local external reference connected to one of the corre-
sponding Genlock Loop BNCs. This external timing reference will be
fed to this specific 8985FSP module only.
• Frame Reference 1 or 2 – when an 8985FSP/FS with an 8900GEN-SM
submodule is installed in Slot 1 and/or Slot 3, a frame timing bus can
be enabled to distribute the external reference connected to the corre-
sponding Genlock Loop BNCs on the rear module to all modules in the
frame that can accept a genlock reference. Slot 1 provides Frame Bus 1
and Slot 3 provides Frame Bus 2.
• Input Video – when no 8900GEN-SM submodule is installed on the
8985FSP/FS, the Output Timing can be set to Input so the output timing
will follow the input to the module.