OPERATION
VistaGRAPHX 2500 User's Manual
3-2
INFRARED SENSORS -
The infrared (IR) sensors on the front and rear of the
projector receive infrared signals from an IR keypad for remote control of the
projector. For proper operation make sure that these sensors are not blocked.
ZOOM ADJUST -
The lens barrel of a zoom lens (optional) rotates to adjust the
size of the image at the current throw distance (projector-to-screen distance).
Note that minimum and maximum image sizes depend in part on the specific
zoom lens installed (see Section 5, Specifications).
FOCUS ADJUST -
The focus knob adjusts the sharpness of the image at the current
throw distance.
VERTICAL OFFSET ADJUST -
The vertical lens adjustment knob adjusts the vertical
position of the image in relation to the projector lens. See Section 2, Installation
and Setup for details.
COMPOSITE/S-VIDEO INPUT -
Accepts a composite video and S-Video signal from
devices such as VCRs.
RGB INPUT -
Accepts RGB and sync signals from devices such as computers.
SERIAL INTERFACE (WITH LOOP THROUGH) -
Allows one or more projectors to be
remotely controlled by a computer or controller, and provides a communications
connection for Marquee and third-party (Extron) signal switchers.
AC LINE CORD INPUT
- Accepts only a special notched AC line cord as supplied
with projector. The projector requires AC power of 100 to 240 VAC, 50 to 60 Hz
@ 11 amps.
WARNING:
Use only the special notched AC line cord. Do not
attempt operation if the AC supply is not within the
specified voltage and power range.
STATUS LEDS -
Two LEDs (light emitting diodes) located to the right of the
Video Input Panel indicate "Status" (top) and "Power" (bottom). During normal
operation, the "Power" light is steady green and the "Status" light flashes green
each time a key is pressed or when the projector receives a serial command. Use
the following chart as a guide:
Status LED
Power LED
Off Normal
Off Projector is unplugged
Yellow Projector is initializing
Yellow Standby power only
Green Flash Key or serial command
Green Normal, powered up
Single
Yellow Flash
Temporary internal
communication failure
Red System error: code on Status
LED identifies error
Continuous
Yellow Flash
Lamp timer: lamp
needs replacing
NOTE: A steady red power light accompanied by a coded pattern of red and
yellow flashes from the status light indicates an internal system error. Should the
problem persist, contact a qualified service technician through your dealer or at
Electrohome.
Components
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Summary of Contents for VistaGRAPHX 2500
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