General Operation
TVM Series Installation and Operation Handbook 81
Copyright © 2008, Harris Corporation
• CC3 – Secondary synchronous caption service (608 or 708)
• CC4 – Special non-synchronous use captions (608)
• 708 – Digital television caption service (HD only)
• T1 – First text service
• T2 – Second text service
• T3 – Third text service
• T4 – Fourth text service
• TT – Teletext is displayed over the picture when the PAL or 625/50 format with
Teletext data embedded in the vertical blanking interval is utilized, as shown in the
sample illustration Figure 3-46. When enabled, the TVM monitors for teletext.
• XDS – Extended data services.
The default caption service is OFF. Selecting CC1 or CC3 with an EIA-708 embedded
signal will decode the derived 608 data, if present. The 608 captioning data and 708
data is extracted at the same time.
Closed captioning supports 112 characters as per EIA/CEA-608B 6.4.1:
Upper and Lower Case Characters ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz
Accented Characters àáâçèéêíîÑñóôúû
Punctuation Characters ! , . ; : ’ ” # % & @ / ( ) [ ] + - ÷ < > ? ° ¢ $ £ ®
TM
½ ¿
Numeric Characters 0 1 2 3 4 5 6 7 8 9
Other Characters ♪, standard space, □, ■
Some characters are not available such as the “e” with the dieresis above it. The French
word Noël uses this character. The ë in Noël would appear differently on the screen.
Also, Ñ is the only capital accented letter as shown above.
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