Canon LV-7215 Especificação - Página 8

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EXPAND SERIAL COMMAD FUNCTIONAL SPECIFICATION for LV-5210/7215/7210

Note for communications

3.1 The expand command is defined one Command/one line that starts "C" and ends carriage

return (0x0D)

3.2 When a projector receives carriage return (0x0D), it starts decoding.

-Functional Execution

(Ex.) "CF_BRIGHT_032" [CR]

-Status Read Command

(Ex.) "CR_RIGHT" [CR]

3.3 When it takes more than one second to receive one Command, it does not execute the Command.

Since the projector has received the first data "C", when it takes more than 1 second until the

projector receives a carriage return (0x0D), it clears information of buffer.

3.4 When a COMPUTER keeps sending some Command, it must wait sending next command after

100ms when the COMPUTER receives the return command.

Projector

3.4.1

When a COMPUTER sends next command before receiving a return command, the

projector may not operate properly.

3.4.2

Except no response after 5 seconds

3.5 It takes about 5 seconds for internal initialization after plugging in AC. During this time it

cannot process command. Do not issue any commands.

Name Definition

4.1 Data from a controller to a projector is represented as COMMAND, and data from a projector to

a controller for the incoming command is represented as RESPONSE.

4.2 [CR]: Carriage Return Code

The Command ends carriage return code. Also response Command ends carriage return, too.

4.3

: Space Code

All space Code is indicated by (_).

4.4

%1: Parameter in Command

When there are some parameters, the parameters are defined as %2, %3...

4.5

%%%: Error Code from a projector

"000": Normal Reception

See " 7.Error Code Table " for error number.

4.6

%a : Parameter for response from a projector

When there are a few parameters, the parameter defines as %b, %c...

Note) _means a space

Command

"CF_BRIGHT_032" CR

Response

(A few ms -- 5s)

More than 100ms

Next Command

000"

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