Runco Reflection DR-300 Owner's Operating Manual page 22

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The last page of the setup menu is where the screen type is defined (4:3 screen, 16:9 screen, 16:9
screen with an anamorphic lens) as well as default source selection.
DEFINE SCREEN TYPE: This is where you tell the projector what aspect ratio screen you are using,
and whether or not you are using an anamorphic lens. This MUST be set first before using the projec-
tor, as the aspect ratios the projector creates will be dependent on this setting.
There are three options for setting the screen type:
16:9 screen: If you have a 16:9 aspect screen and are NOT using an anamorphic lens, set 'Define
screen type' to this. This will allow the projector to provide anamorphic and letterbox aspect ratios that
will fill the screen, and a 4:3 aspect ratio that will occupy the center of the 16:9 screen.
4:3 screen: If you have a 4:3 screen, set 'Define screen type' to this. This will allow the projector to
create a full 4:3 image that will fill the screen, and an anamorphic and letterbox aspect ratios will be
centered vertically on the 4:3 screen.
16:9 screen with an anamorphic lens: This setting is only applicable if you are using the projector
with an outboard anamorphic lens. The aspect ratios created by the projector will appear the same as
on the "16:9 screen" setting, but will be vertically stretched on the DMD to accommodate the anamor-
phic lens.
DEFAULT SOURCE SELECT: This will set the projector to default to a source of your choice once it
is turned on. There are three choices:
LAST: When the projector is turned on, it will go to the last input it was on before it was turned off.
AUTO: Enables the projector to search for an active source on its own in the following order:
RGB/Component, S-video, Composite Video.
SELECT: You may select an input of your own choice for the projector to default to upon turn-on.
CONTROL PANEL KEY LOCK: Not used on this model.
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