Canon LV-5220 Serial Functional Specification - Page 12

Functional Execution Command, 1. Format, 2. Transfer Example, 3. Operation Requirements

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Expand Serial Command Functional Specification Page 11 of 41 8. Functional Execution Command 8.1. Format 1) The following format's commands issued form a PC. Pattern 1: "CF_COMMAND" [CR] Pattern 2: "CF_COMMAND_" %1 [CR] CF_: Header COMMAND: Letters %1: Parameter (Letters) _: Space (To separate COMMAND and Parameter) 2) When a projector decoded a received data and ready to receive the next Command, it will return acknowledgment. "000" [CR]: (0x06, 0x0D) When received Function Execute Command. "nnn" [CR]: Unable to execute any value except "000" value for any specific reason. See the Error Code Table for its contents 3) When received an undecodable data, returns "?" [CR]. 8.2. Transfer Example When setting Projector Total Dots to 1344 by Expand Command PC → Projector: "CF_TDOTS_1344" [CR] Projector → PC: "000" [CR Reception OK 8.3. Operation Requirements When the Projector's status in this below, functional execution commands are limited. Status Read Commands are available even in this table status. Projector Status Standby Mode Processing Count Down Processing Cooling Down Cooling Down due to abnormal temperature Abnormal Temperature Abnormal Power (60sECOnds after Power has turned to abnormal) Processing Power Save Cooling Down Processing Power Save Available Function Execution Command C00: Power On C00: Power On (Terminate Count Down) None None None None None C00: Power On C01: Power Off Note) When the Projector receives other commands in the above status; they return error code to show the status.

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Expand Serial Command Functional Specification
Page 11 of 41
8.
Functional Execution Command
8.1. Format
1)
The following format°s commands issued form a PC.
Pattern 1: ²CF_COMMAND± [CR]
Pattern 2: ²CF_COMMAND_± %1 [CR]
CF_: Header
COMMAND: Letters
%1: Parameter (Letters)
_: Space (To separate COMMAND and Parameter)
2)
When a projector decoded a received data and ready to receive the next Command, it will return
acknowledgment.
²000± [CR]:
(0x06, 0x0D) When received Function Execute Command.
²nnn± [CR]:
Unable to execute any value except ²000± value for any specific reason
.
See the Error Code Table for its contents
3)
When received an undecodable data,
returns
²?± [CR].
8.2. Transfer Example
When setting Projector Total Dots to 1344 by Expand Command
PC
→
Projector: ²CF_TDOTS_1344± [CR]
Projector
→
PC: ²000± [CR] ---------------------- Reception OK
8.3. Operation Requirements
When the Projector°s status in this below, functional execution commands are limited.
Status Read Commands are available even in this table status.
Projector Status
Available Function Execution Command
Standby Mode
C00: Power On
Processing Count Down
C00: Power On
(Terminate Count Down)
Processing Cooling Down
None
Cooling Down due to abnormal temperature
None
Abnormal Temperature
None
Abnormal Power
(60sECOnds after Power has turned to abnormal)
None
Processing Power Save Cooling Down
None
Processing Power Save
C00: Power On
C01: Power Off
Note) When the Projector receives other commands in the above status; they return error code to
show the status.