Command Structure
NOTE: arg (argument) or ards (address) prefaces a command with an argument
or address parameter. If the arg or ards is in parentheses ( ), the parameter is
optional.
4.1 Command Mnemonic
Each command is expressed as two (2) ASCII characters. There is no distinction
between uppercase and lowercase letters except when the Character strings are
in a PR command.
NOTE: Do not issue a command without a Text File Data Upload [UU], Reject
[RJ] or Open [OP] sequence while videotext is displayed. A command issued
without one of these sequences causes the player to return an E4 error code.
4.2 Argument
An Argument, expressed in either ASCII characters or ten digits, consists of
either an address or an integer. A Control Register uses an integer value to set a
specified value or condition.
If a command requires an argument, it is always placed before the command.
Example : N1N2N3
Minimum 000 ~ Maximum 300 (except MS command)
Minimum 000 ~ Maximum 520703 (Only MS command)
NOTE: If a command requires an argument but one is not supplied, the player
returns an error message.
An Address can be a Title, a Chapter, a Track, an Index Number, a Frame
Number, or a Time Code depending upon how the address flag is set. The
Address must not exceed ten characters and/or digits.
Address Type Media Type Format Range (Min-Max)
Title Number DVD N1N2 0 ~ 99
Chapter Number DVD N1N2 0 ~ 99
Frame Number DVD/VCD N1N2N3N4N5N6N7a 0 ~ 1079999
DVD N1N2N3N4N5b 0 ~ 599:59
Time Code CD/VCD N1N2N3N4c 0 ~ 99:59
Track Number CD/VCD N1N2 1 ~ 99
Index Number CD/VCD N1N2 1 ~ 99
Block Number CD/VCD N1N2N3N4N5N6d 0 ~ 995974
a NaNbNc minutes NdNe seconds are calculated into frame number.
b N1N2N3 minutes N4N5 seconds.
c N1N2 minutes N3N4 seconds.
d N1N2 minutes N3N4 seconds N5N6 Block.
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