Expanded_Serial_Command_Codes

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
RT S
CTS
RING
(Dsub-9 pin) (Mini DIN-8 pin)