Acer 7277e Service Manual page 19

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Bit
Description
7
Analog / Digital Input : Defines usage of the rest if the byte as "analog input" or digital
input". Analog=0, Digital=1 . If input is described as analog, the following definitions apply
to bits 6-0. Digital is as yet undefined in the following but provisions have been made in
anticipation of a common video output standard for Flat Panel Display (FPD) use.
6:5
Signal Level Standard (6:5) : Refer to the following bit definitions. Identified by the level of
reference white volts above blank, followed by the level of the sync tips in volts below
blank.
Bit 6
Bit 5
0
0
1
1
4
Setup: If set, the display is set to expect a blank-to-black setup or pedestal per the
appropriate signal level standard.
3:0
Sync Inputs (See Bit Operation below)
3
2
1
0
Note 2
Bit 7
Stand-by
Bit 6
Suspend
Bit 5
Active off
Bit 4:3
Display Type
0,0 - Monochrome/gray scale display
0,1 - RGB color display
1,0 - Non-RGB multicolor display (example:RGY)
1,1 - Undefined.
Bit 2:0
Reserved. Set at 00h until defined.
Note 3
CRT Vender
Philips
System Overview
Operation
0
0.700V/0.300V (1.000V p-p)
1
0.714V/0.286V (1.000V p-p)
0
1.000V/0.400V (1.400V p-p)
1
Reserved; TBD
Separate Sync
Composite Sync (on H Sync line)
Sync on Green Video
Serration of the V.Sync Pulse is required when composite sync or sync-on-green
video is used
Red (x/y)
0.620/0.345
No Copy/Reproduction Allowed
Green (x/y)
Blue (x/y)
0.290/0.610
0.155/0.065
API Confidential
Gamma
2.67
1-13

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