Canon 7215 - LV XGA LCD Projector Spezifikation - Seite 8
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Basic Serial Functional Specification for LV-5210/7215/7210
6
Functional Execution Command Table
6.1 Format
6.1.1
PC issues a command as below format
"C" COMMAND [CR]
Command: 2 characters (See Functional Execution Command Table)
6.1.2
A projector changes received data to decode and sends a return result after being
ready to receive next command.
[ACK] [CR]: (0x06、0x0D)When received functional execution commands.
6.1.3
"?" [CR]: When cannot read received data
6.2 When the command pipelining is needed
When some functions need command pipelining , the performance is the same as the remote
control's performance.
1. System: issue any commands every 100ms after receiving response
2. When receiving the same command continuously with 120ms, the function is
3.
4.
5.
6.3 Transfer Example
Change to Video mode with Basic Command
PC → Projector
Projector → PC
executed for 120ms from that moment.
When receiving the same command continuously, with 120ms, the function
is executed for 120ms form the moment.
The next command is not issued after 120ms, and the execution is stopped.
If the projector receives other incoming commands within 120ms, the
execution is stopped.
Command
"C"
"0" "7" CR
Processing
(A few - 5s)
ACK
CR
Page
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