Canon LV-5220 Serial Functional Specification - Page 6

Overview, Serial Interface Specifications, 1. Communication Specification, 2. Connection - projector specifications

Page 6 highlights

Expand Serial Command Functional Specification Page 5 of 41 1. Overview 1.1. This Functional Specification defines communication functions such as Multi Card Imager for LV-7225/7220/5220. 1.2. The Projector Firmware Ver.1.x ready. 1.3. Commands are to communicate to such as Multi Card Imager, but most commands control a remote Projector with PC installed RS232C. That's why commands are defined as expand serial commands. 2. Serial Interface Specifications 2.1. Communication Specification Item Specification Synchro System Asynchronous Transmission Speed 9600 / 19200 Data Length 8 bit Parity N/A Stop Bit 1 Flow Control N/A 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 CD 1 1 RXD 2 2 TXD 3 3 DTR 4 4 SG 5 5 DSR 6 6 RTS 7 7 CTS 8 8 RING 9 (Dsub-9 pin) (Mini DIN-8 pin)

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Expand Serial Command Functional Specification
Page 5 of 41
1.
Overview
1.1. This Functional Specification defines communication functions such as Multi Card Imager for
LV-7225/7220/5220.
1.2. The Projector Firmware Ver.1.x ready.
1.3. Commands are to communicate to such as Multi Card Imager, but most commands control a
remote Projector with PC installed RS232C. That°s why commands are defined as expand serial
commands.
2.
Serial Interface Specifications
2.1. Communication Specification
Item
Specification
Synchro System
Asynchronous
Transmission Speed
9600 / 19200
Data Length
8 bit
Parity
N/A
Stop Bit
1
Flow Control
N/A
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)