PESA RCP-CSD, Руководство пользователя

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RCP-CSD
Glossary 57
Figure B
Tieline names are one to eight characters in length and are constructed using uppercase letters,
numbers, and spaces. The first character must be a letter.
User Account
A set of privileges and an optional user password saved as a user name.
User accounts provide a means of restricting access to certain system functions on a user-by-user
basis.
User Name
An eight-character string consisting of upper case letters, numbers, spaces, and some symbols:
Permitted: ! @ # $ % ^ & * _ + - = [ ] \ : “ ; ‘ < > . ? /
Forbidden: { } | , ( )
User Password
An eight-character string consisting of letters, numbers, and spaces. A User Password may begin
with either a number or a letter. Leading spaces are discarded.
Vertical Interval
The portion of the video signal in which image information is absent to allow for the video device
to prepare for the next frame of information.
Vertical Sync Signal
A short pulse generated at the beginning of each video timing frame which tells the video monitor
when to start a new video timing field. For switching purposes, the vertical sync signal may be
derived from house sync.
See also: Sync Reference.
Vertical Trigger
See: Vertical Sync Signal.