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2-1 GENERAL
SPECIFICATION
Test Resolution & Frequency
1280x1024 @ 60Hz
Test Image Size
Full Size
Contrast and Brightness Controls
Factory Default:
Contrast = 50%, Brightness = 100%
2-2 VIDEO
INTERFACE
Input Connector 1 (Analog 1)
DB-15 (Analog), refer the appendix A
Input Connector 2 (Analog 2)
DB-15 (Analog), refer the appendix A
Input Connector 3 (Digital)
DVI-D (Digital), refer the appendix B
Default Input Connector
Defaults to the first detected input
Video Cable Strain Relief
Equal to twice the weight of the monitor for five minutes
Video Cable Connector DB-15 Pin out
Compliant DDC 2B
Video Signals
1. Video RGB (Analog)
Separate, Composite, and Sync on Green
2. TMDS (Digital)
Video Impedance
75 Ohms (Analog), 100 Ohms (Digital)
Maximum PC Video Signal
950 mV with no damage to monitor
Maximum Mac Video Signal
1250 mV with no damage to monitor
Sync Signals
TTL
DDC 2B
Compliant with Revision 1.3
Sync Compatibility
Separate Sync, Composite Sync, SOG
Video Compatibility
Shall be compatible with all PC type computers,
Macintosh computers, and after market video cards
Resolution Compatibility
640 x 350*
1
, 640 x 480, 720 x 400*
1
(640 x 400*), 800 x
600, 832 x 624, 1024 x 768, 1152 x 864, 1152 x 870*
2
,
1280 x 720, 1280 x 960, 1280 x 1024
*1 The image vertical size might not be full screen.
But the image vertical position should be at the
center.
*2 Under 1152x870@60Hz or 72Hz, the OSD
information
shows on “1152x864”
Exclusions Not
compatible with interlaced video
2. Specification
3
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VP191b/s
Summary of Contents for VLCDS25973-2W
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Page 81: ...Control Board 78 ViewSonic Corporation Confidential Do Not Copy VP191b s ...