HDLG7 HD Dual Link Video Generator module
Table 3-43: HDLG7 module sample structure/depth signal formats (cont.)
1920 × 1080 formats
2K 1080 and 2K 1556 form ats
2K GBR 4:4:4 12 bits
2K XYZ 4:4:4 12 bits
NOTE. When the 1080 50p, 1080 59.94p, or 1080 60p format is selected, the
HDLG7 module forces the sampling structure to 1080 YCbCr 4:2:2 10 bits, and
no other sampling structure is allowed.
Selecting Projector Test Pattern while the format is 2K 1080 or 2K 1556 will limit
the sampling structure/depth to 2K XYZ 4:4:4 12 bits.
If the current output format is 1080 23.98sF, 1080 24sF, 1080 23.98p, 1 080 24p,
1080 25p, 1080 29.97p, 1080 30p, 1080 50i, 1080 59.94i, or 1080 60i, you
may select 1080 YCbCr 4:2:2 10 bits as the sampling structure. However, the
output signals produced on Link A and Link B are not dual-link signals. The
HDLG7 module will produce two single-link outputs, with incoming ancillary
and embedded audio being placed on Link A and none on Link B.
ALPHA CHANNEL DATA. Sets the alpha channel signal. Use the left (◄)orright
(►) arrow button to select Use Y/G Channel, 0% Flat Field, 10% Flat Field,
20% Flat Field, 30% Flat Field, 40% Flat Field, 50% Flat Field, 60% Flat
Field, 70% Flat Field, 80% Flat Field, 90% Flat Field,or100% Flat Field.
The alpha channel d ata are used only with the following sampling structures:
1080 GBR+A 4:4:4 10 bits, 1080 YCbCr+A 4:4:4 10 bits, and 1080 YCbCr+A
4:2:2 12 bits.
LINK OFFSET. Sets the timing offset of the Link B output relative to the Link A
output. Select this menu item, and then press the ENTER buttontoaccessthe
LINK OFFSET submenu. (See page 3-226.)
2K TEST SIGNAL KEY ASSIGN. Selects the signal sets to be assigned to the test
signal button. Use the left (◄)orright(►)arrowbuttontoselectoneofthe
following two signal sets:
HD Test Signal: Assigns standard HD video test signals to the test signal
buttons. (See Table 3-41 on page 3-219.)
Projector Test Pattern: Assigns digital cinema projector test patterns to the
test signal buttons. These signal sets are only selectable in the 2K format.
(See Table 3-42 on page 3-220.)
MOVING PICTURE. Scrolls the active picture area of the output test signal. Select
this menu item, and then press the ENTER button to access the MOVING
PICTURE submenu. (See page 3-226.)
TG8000 Multiformat Test Signal Generator User Manual 3–225
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