Canon LV S3 Serial Functional Specification - Page 7

Functional Execution Command Table, Format, 2 When the command pipelining is needed, Transfer - video projector

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7. Functional Execution Command Table 7.1 Format 1. PC issues a command as below form at "C" COMMAND [CR] Command: 2 characters (See Functional Execution Command Table) 2. A projector decodes received data and sends a return result after being ready to receive next command. [ACK] [CR]: 0x06,0x0D When received functional execution commands. "?" [CR]: When cannot read received data 7.2 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 executed for 120ms from that moment. 3. When receiving the same command continuously, with 120ms, the function is executed for 120ms form the moment. 4. The next command is not issued after 120ms, and the execution is stopped. 5. If the projector receives other incoming commands within 120ms, the execution is stopped. 7.3 Transfer Example Change to Video mode with Basic Command PC Æ Projector Projector Æ PC Command "C" "0" "7" CR ACK CR Processing (A few ms--1s) Page 7/21

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7. Functional Execution Command Table
7.1
Format
1. PC issues a command as below form at
“C”
[CR]
COMMAND
Command: 2 characters (See Functional Execution Command Table)
2. A projector decodes received data and sends a return result after being ready to receive
next command.
[ACK] [CR]
:
（
0x06,0x0D
）
When received functional execution commands.
“?” [CR]
: When cannot read received data
7.2 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 executed
for 120ms from that moment.
3. When receiving the same command continuously, with 120ms, the function is executed
for 120ms form the moment.
4. The next command is not issued after 120ms, and the execution is stopped.
5.
If the projector receives other incoming commands within 120ms, the execution is
stopped.
7.3
Transfer Example
Change to Video mode with Basic Command
Command
PC
Projector
“C”
”0”
”7”
CR
Projector
PC
ACK
CR
Processing
(A few ms--1s)
Page
7/21