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Computer 1 and 2 and Computer Out
Connector Pin Assignments
The Computer 1 and 2 and Computer Out connectors are
female video RGB, 15-pin micro-D-style connectors. The pin
assignments are:
Input
Computer Out
pin
connector signals
1
Red out / red video
2
Green out / green video
3
Blue out / blue video
4
Reserved
5
GND
6
GND
7
GND
8
GND
9
Reserved
10
GND
11
Reserved
12
Reserved
13
Horizontal sync
14
Vertical sync
15
Vertical sync
Projector Placement Guidelines
To get the best results when projecting your images, it is
important to position the projector at the proper height and
distance relative to the screen.
When projecting from a table or desk, place the projector so
the lens is aligned as closely as possible with the bottom of
your screen:
Computer 1 and 2
connector signals
Red video
Green video
Blue video
Monitor (ID bit 2)
GND
Red video GND
Green video GND
Blue video GND
+5 V
Synchronous GND
Monitor (ID bit 0)
SDA
Horizontal sync
Vertical sync
Reserved
8/99
EPSON PowerLite 5350/7250/7350 Projector
When projecting from the ceiling, align the lens as closely as
possible with the top of your screen:
Calculating Image Size and Projection
Distance
The distance between the projector and the screen determines
the image size. To determine the exact distance required for a
particular image size (or to determine the size of an image at a
particular distance), use the following formulas for the
standard, long throw, and fixed wide angle lenses. (The size of
the image can also be changed by rotating the zoom ring.)
Standard Lens Calculations
To determine the minimum and maximum diagonal size of an
image when you know the projection distance:
Inches:
Maximum diagonal size = (0.6124 projection distance) + 1.5264
Minimum diagonal size = (0.4556 projection distance) + 1.1410
Centimeters:
Maximum diagonal size = (0.6124 projection distance) + 3.8771
Minimum diagonal size = (0.4556 projection distance) + 2.8981
To determine the projection distance when you know the
diagonal size of the screen image:
Inches:
Maximum projection distance = (2.1949 diagonal size) 2.5044
Minimum projection distance = (1.6328 diagonal size) 2.4923
Centimeters:
Maximum projection distance = (2.1949 diagonal size) 6.3612
Minimum projection distance = (1.6328 diagonal size) 6.3304
For example, here are the measurements for three installations:
Horizontal distance from projector
to screen
Image size
(diagonal)
Minimum
300 inches* (762 cm)
487.3 inches (12.4 m)
200 inches (508 cm)
324.1 inches (8.2 m)
100 inches (254 cm)
160.8 inches (4.1 m)
* For an image size of 300 inches, the projector may be up to 54 feet
away from the screen, depending on the setting of the zoom ring.
EPSON
PowerLite 5350/7250/7350 Projector - 3
Maximum
656.0 inches (16.7 m)
436.5 inches (11.1 m)
217.1 inches (5.5 m)