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2.2
VIDEO TEXT INSERTION, CONTINUED
Post-text
Post text inserters are connected between a video output channel and its respective
monitor. They are used to identify the currently selected camera and display time/date,
current operator name, and other system information.
Pre-text
Pre-text inserters are sometimes used when cameras need to be recorded onto a
dedicated video recorder. They provide identification of that camera as well as the
current time/date display. Other system specific information can also be included.
2.3
SMARTEXT™
Smartext™ is the ability to encode text information into a video signal primarily for
recording purposes. During playback, the operator can choose whether to reveal or
conceal the recorded text information.
The
display modes. Smartext™ can also be controlled with special commands in the macro-
programming environment.
The Smartext™ data is blended into the video signal in a way that allows recording,
switching and dubbing using standard video equipment. It is compatible with both PAL
and NTSC video standards.
RD220 Smartext™ modules are used to support this feature. These are used to replace
the RD200 (standard) or RD205 (enhanced) text insertion modules.
2.4
HIDING MONITOR TEXT
The displayed text can also be removed completely from the monitor's picture. This can
be done manually by the operator (using the
out automatically by the video system when the monitor is left unchanged.
Selecting another camera or moving to another monitor will cause the text to return.
Rev. B
Note: Pre-text would NOT be used on the camera signal
that feeds into the video matrix of the system.
key on the keyboard is used to toggle between the reveal and conceal
2-2
key on the keyboard), or timed-
HMXMC001013
31-Mar-06
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