Video Test Generator User Guide 319
2. Using the table below, determine the proper “L” field code for bits 3-9.3. Use the following table to determine the proper “K” field code for bits 10-16.
Letterbox/Pillar Mode
“L” Field Code
Symbol
Undo Bars BarContents Position Shrink
Bit 9 Bit 8 Bit 71
1. Bits 6 and 7 are used to sequence redundant AFD codes.
In the case of pixel repetition (NPPP not equal to 0), the color of the (extended) bars on the left and right sides of the image are filled in accordance with the settings of bits 6 and 7—even when the letterbox/pillar fitting method is disabled (bit 3 = 0).
Bit 61Bit 5 Bit 4 Bit 3
Disabled 0 0 0 0 0 0 0
Centered shrink w/black bars
top & bottom 0100001Lcbb
Centered shrink w/gray bars
top & bottom 0101001Lcgb
Centered shrink w/white bars
top & bottom 0 1 1 0 0 0 1 Lcwb
Centered protected shrink
w/shot surround 0 0 0 0 0 0 1 Lcsp
Top shrink w/single black bar at
bottom 010 0011 Ltbb
Top shrink w/single gray bar at
bottom 010 1011 Ltgb
Top shrink w/white bar at bot-
tom 011 0011 Ltwb
(Keep) Safe Area Mode
“K” Field Code
Symbol
Undo Bars BarContents Source Save Area
Bit 16 Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10
None (w/safe area markers) 0 0 0 0 0 0 0
Shrink coded frame to action area with opaque
black bar surround 01000 01Kabb
Shrink coded frame to action area with opaque
gray bar surround 01010 01Kagb
Shrink coded frame to action area with opaque
white bar surround 01100 01Kawb
Coded frame has shot-protected action area with-
out graticules or bars 00000 01Kasp
Coded frame has shot-protected action area with
action graticules without bars 00010 01Kaspa
Coded frame has shot-protected action area with
title graticules without bars 00100 01Kaspt
Coded frame has shot-protected action area with
action and title graticules without bars 00110 01Kaspb
Shrink coded frame to title area with opaque black
bar surround 01000 10Ktbb
Shrink coded frame to title area with opaque gray
bar surround 01010 10Ktgb