Acer 7277e, Руководство по обслуживанию

Страница: 19 / 62

System Overview API Confidential
No Copy/Reproduction Allowed
1-13
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 Operation
0 0 0.700V/0.300V (1.000V p-p)
0 1 0.714V/0.286V (1.000V p-p)
1 0 1.000V/0.400V (1.400V p-p)
1 1 Reserved; TBD
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 Separate Sync
2 Composite Sync (on H Sync line)
1 Sync on Green Video
0 Serration of the V.Sync Pulse is required when composite sync or sync-on-green
video is used
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 Red (x/y) Green (x/y) Blue (x/y) Gamma
Philips 0.620/0.345 0.290/0.610 0.155/0.065 2.67