Canon SX 50 - Manual (Page 12)

Projector User Commands
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Revision History / Date Changes Revised by Approved by
Example: > RANGE CONT
< r:CONT=N, -20, 20
Other
Transmission recognition
Transmission is recognized when delimiter is received.
Even if a maximum transmission length is received, the entire received transmission will be lost unless a delimiter
is received.
The <Parameter value> is defined as shown below.
<Parameter value> := <Value 1>▽<Value 2> ▽.. ▽ <Value n>
<Value> := <Numerical value> | <ID> | “<Character string>”
<Numerical value> := [<Sign>] <Decimal character string (Min. 1 character to Max. 5 characters)>
* The range of valid values is -32768 to 32767.
<ID> := 1 or more ASCII characters (20h to 7Fh)
<Character string> := 0 or more ASCII characters (20h to 7Fh)
Cable
The connection diagram (example) for the cable connecting the PC and projector is shown below.
① ②
③ ④ ⑤
⑥ ⑦ ⑧
1 5
6 9
D-SUB 9pin FEMALE
PC PJ
MINI DIN 8pin MALE
SHIELD SHIELD
1 CD (DCD)
2 RD (RXD)
3 SD (TXD)
4 ER (DTR)
5 SG (GND)
6 DR (DSR)
7 RS (RTS)
8 CS (CTS)
9 CI (RI)
3 SD (TXD)
5 RD (RXD)
4 SG (GND)
2 NC
1 RS(RTS)
6 NC
7 NC
8 NC
PC PJ
Sample 1
SHIELD SHIELD
1 CD (DCD)
2 RD (RXD)
3 SD (TXD)
4 ER (DTR)
5 SG (GND)
6 DR (DSR)
7 RS (RTS)
8 CS (CTS)
9 CI (RI)
3 SD (TXD)
5 RD (RXD)
4 SG (GND)
PC PJ
Sample 2
Example of self-loopback connections when the
"CS" and "DR" pins are used in the connector of
the PC.
SHIELD SHIELD
1 CD (DCD)
2 RD (RXD)
3 SD (TXD)
4 ER (DTR)
5 SG (GND)
6 DR (DSR)
7 RS (RTS)
8 CS (CTS)
9 CI (RI)
3 SD (TXD)
5 RD (RXD)
4 SG (GND)
PC PJ
Sample 3
Example of minimally required connections.
Canon's standard cable is used for
these connections.
Do not use the “RS” pin in the
connector of the PC !