70 Chapter 4 Working with Formats
Configuring DCS priority scheme

There are two priority schemes for putting composite sync (CS) on the separate VS and

HS sync outputs when digital composite sync (DCS) is selected through types SSST = 2,

6, or 11. This applies to both the VS and HS pins of the VGA connector and to the analog

component BNC connectors.

• Legacy DSC priority scheme

• Default DSC priority scheme

The following table describes the legacy DCS priority scheme for horizontal sync.

The following table describes the legacy DCS priority scheme for vertical sync.

OUTG SSST HSPG VSPG HS Output HS Polarity
0 Do not care Do not care Do not care No signal Do not care
1 Do not care 0 Do not care No signal Do not care
Do not care 8 (DPMS –
OFF)
Do not care Do not care No signal Do not care
19 (DPMS –
SUSPEND)
Do not care Do not care Horizontal
Sync
HSPP
1 10 (DPMS –
STANDBY)
Do not care Do not care No signal Do not care
1 1, 3, 5, 7, or 11 1 Do not care Horizontal
Sync
HSPP
1 2, 6, or 11
(DCS)
1 Do not care Composite
Sync
HSPP
OUTG SSST HSPG VSPG VS Output VS Polarity
0 Do not care Do not care Do not care No signal Do not care
1 Do not care Do not care 0 No signal Do not care
Do not care 8 (DPMS –
OFF)
Do not care Do not care No signal Do not care
19 (DPMS –
SUSPEND)
Do not care Do not care No signal Do not care
1 10 (DPMS –
STANDBY)
Do not care Do not care Vertical Sync VSPP
1 1, 3, 5, 7, or 11 Do not care 1 Vertical Sync VSPP
1 2, 6, or 11
(DCS)
1 Do not care No signal Do not care
1 2, 6, or 11
(DCS)
01Composite
Sync
VSPP