Canon LV-7215 lv7210_series_exp_cmd.pdf - Page 8

Note for communications, Name Definition, See 7.Error Code Table for error number. - projector

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EXPAND SERIAL COMMAD FUNCTIONAL SPECIFICATION for LV-5210/7215/7210 3 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] Note) _means a space 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. More than 100ms Command PC Projector "CF_BRIGHT_032" CR Next Command Projector PC "000" CR Response (A few ms -- 5s) 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. 4 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... Page 8

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EXPAND SERIAL COMMAD FUNCTIONAL SPECIFICATION
for LV-5210/7215/7210
3
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]
Note) _means a space
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.
More than 100ms
Command
PC
Projector
“CF_BRIGHT_032” CR
Next Command
Projector
PC
“
000”
CR
Response
(A few ms -- 5s)
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.
4
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…
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