Marquee 8521 Ultra Green (HUD) User's Manual
3-8
Operation
3.2 Source
Selection
The projector includes a built-in RGB input interface to accept a single input. With optional accessories such as a
Marquee Multi-standard Decoder, and the use of one or more external switchers, the number of inputs can be
significantly increased. Because of this large capability, three source selection methods are available: Input
Selection, Direct Channel Selection, and Up/Down Channel Selection. Sources are selected at presentation
level.
Note:
For systems with only one or two source connections, direct input selection may be the only method
you will use. If your system includes many sources, all methods will be of interest.
Note:
Internal sources are also selectable for use during setup and testing. To select an internal source,
refer to Section 3.1.12, and Section 3.6.
3.2.1 Input
Selection
This method is the most basic of the three source selection methods. A source is selected by specifying the input
to which the source is connected, defined by a switcher number and slot number. For the purposes of input
selection, the projector is considered to be a type of switcher. Projector slots are illustrated in Figure 3-5 below.
Each slot can accept one external input signal for display.
HOR/COMP
RED
GREEN
BLUE
VERT
SYNC
RESET
POWER
STANDBY
H FAIL
V FAIL
C
LVPS
ERROR
DIAGNOSTICS
EHT
REMOTE
RS-232
IN
OUT
SWITCHER
SOURCE
0
2
SOURCE
0
1
Figure 3-5. Projector Slots
To select an input:
Press [
SOURCE
] [
m
] [
n
] at presentation level.
where:
m
= 0 (projector) or 1-9 (switcher 1, 2, ... 9)
n
= 1-9 (slot number)
The projector switches to, and displays, the source connected to the input selected. The projector also uses the
display settings previously set in memory for that input. If the selected input is invalid, a warning message is
displayed. An example of an invalid input might be "0 1" when a switcher is connected to slot 1 of the projector.
Another example of an invalid input would be to select a switcher which does not physically exist.
Example 1
Slot 1 on the projector has the output from a computer workstation connected to it. To display the workstation
output, press [
SOURCE
] [
0
] [
1
].
Example 2
A single Marquee signal switcher is connected to the projector and a computer is connected to slot 3 of the
switcher. To display the computer output, press [
SOURCE
] [
1
] [
3
]
.
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