Canon LV-7225 Basic_Serial_Command_Codes - Page 4

Overview, Serial Interface Specification, 1. Transfer Specification, 2. Connection, Dsub-9 pin, Mini

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Basic Serial Command Functional Specification Page 3 of 19 1. Overview 1.1. This specification defines Projector control commands for LV-7225/7220/LV-5220. 1.2. The Projector control commands are for controlling Projector through RS232C from a computer. 2. Serial Interface Specification 2.1. Transfer Specification Item Specification Shynchro system Asynchronous Transmission Speed 9600 / 19200 Data Length 8 bits Parity None Stop Bit 1 Flow Control None 1). Transfer rate: initial setting value is 19200. 2). Transfer rate can be changed by service mode. 2.2. Connection Dedicated serial cable that comes with the projector must be used for a connection to a computer and a Projector. PC COM 1 CD 1 RXD 2 TXD 3 DTR 4 SG 5 DSR 6 RTS 7 CTS 8 RING 9 (Dsub-9 pin) Projector SERVICE Port 1 2 3 4 5 6 7 8 (Mini DIN-8 pin)

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Basic Serial Command Functional Specification
Page 3 of 19
1.
Overview
1.1. This specification defines Projector control commands for LV-7225/7220/LV-5220.
1.2. The Projector control commands are for controlling Projector through RS232C from a computer.
2.
Serial Interface Specification
2.1. Transfer Specification
Item
Specification
Shynchro system
Asynchronous
Transmission Speed
9600 / 19200
Data Length
8 bits
Parity
None
Stop Bit
1
Flow Control
None
1). Transfer rate: initial setting value is 19200.
2). Transfer rate can be changed by service mode.
2.2. Connection
Dedicated serial cable that comes with the projector must be used for a connection to a computer and
a Projector.
PC
Projector
COM 1
SERVICE Port
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
CD
SG
RXD
TXD
DTR
DSR
RTS
CTS
RING
(Dsub-9 pin)
(Mini DIN-8 pin)