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Extron RGB 302/304 Universal Interface • User’s Manual
Chapter 2 • Installing the RGB 302/304
Memory Cycling Feature
The RGB 302/304 is preset at the factory with fifteen
video formats which are stored in memory blocks.
These memory blocks contain video formats which
will match most computers. There are also 25
additional empty memory blocks which are user-
defined.
When a video input is connected and the RGB 302/
304 is powered On, the 25 user-defined memory
blocks are scanned (cycled) sequentially for a
configuration which matches the computer’s video
input. If a match is found, that format’s stored settings
are implemented. If a match is not found, the 15 preset
video formats are scanned next. If a match is found,
that format and any adjustments to the image are
automatically saved to a user-defined memory block (if
Memory Cycling is set On). If a match is not found
among the preset formats, a new video format will be
created and stored (see note below) as a user-defined
memory block.
The 25 user-defined memory blocks are filled
sequentially (1 to 25). If the last empty memory block
(#25) has already been filled and a new video format is
added, memory block #1 will be overwritten. Additional
new formats will sequentially overwrite memory blocks
#2, #3, #4, etc., and start over again at memory block
#1, #2, #3, etc.
The 15 preset memory blocks are permanently stored,
while the 25 user-defined memory blocks can only be
cleared by resetting the RGB 302/304 (refer to
System Reset Menu in the
“Option Controls Menus”
section of Chapter 3). Powering Off the RGB 302/304
will not delete any of the memory blocks.
____ If Memory Cycling is disabled (set Off), any changes to
a video configuration will not be stored in a memory
block and no new memory blocks will be saved. Refer
to Memory Cycling Menu in the “Option Controls
Menus” section of Chapter 3.
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