8

900 Chapter 22: Customizing the User Interface
area. High cont rast titles fal ling outside the Title
Safe area are likely to bleed or be obstr ucted by the
bezel of the TV screen.
When Safe Frames are displayed in the viewpor t
and a bitmap image is assigned as a viewport
background using either the
Match Viewport
or Match Rendering Output (page 1–38)
options, the image is confined to the Live area
of the safe f rames and matches the rendered
background. This assumes that the same bitmap
is assigned to the Environment background using
Environment/Screen coordinates.
You can toggle the status of
safe frames (page
3–1124)
on or off for the current viewport,
andusetheSafeFramespaneloftheViewport
Configuration dialog to adjust the parameters.
WhenSafeFrameisdisplayedintheviewport
and a bitmap image is assigned as a background,
and Show Background is turned on, the image is
confinedtotheLiveareaofthesafeframe.Ifyou
are using a b ackground image in your rendering,
make sure your rendering output size matches the
background image size. This will avoid distortion.
Inter face
Setup group
The Safe Frames p anel contains sett ings for the
following frame types:
Live Area(yellow)—The area that will actually be
rendered, regardless of the size or aspect r atio of
the viewpor t.
Action Sa fe(gr een)—Theareainwhichit’ssafeto
include your rendered action. The Lock check box
lets you lock the aspe ct ratio of the Action fr ame.
When Lock is turned on, use the Both spinner to
set the percentage of the live area that’s trimmed
w ithin the safe f rame. When Lock is off, you can
use the Horizontal and Vertical spinners to set
these parameters independently. Default=10%.
Title Safe(cyan)—The area where it’s safe to include
titles or other information. When used correctly,
this is smaller than the Action frame. The Lock
checkboxletsyoulocktheaspectratioofthe
Title frame. When Lock is tur ned on, use the
Both spinner to set the percentage size of the title
frame relative to the action area. When Lo ck is
turned off, you can use the Horizontal and Vertical
spinners to set these parameters independently.
Default=20% of Live Area.
User S af e—Displays an additional safe frame that
you can use for any custom requirements. The
Lock check box lets you lock the aspect ratio of
theUserframe.WhenLockisturnedon,usethe
Bothspinnertosetthepercentagesizeoftheuser
frame relative to the action area. When Lo ck is
turned off, you can use the Horizontal and Vertical
spinners to set these parameters independently.
Default=20% of Live Area.
12-Field Grid—Displays a grid of cells (or fields) in
the viewport. In this case, "fields" are cells in the
grid, and not scanline fields.
The"12-fieldgrid"isamethodusedbyvideo
directors to refer to specific areas of the screen.
A director m ight ask you to move an object two