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Basic Serial Command Functional Specification
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
Shynchro system
Transmission Speed
Data Length
Parity
Stop Bit
Flow Control
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.
Asynchronous
9600 / 19200
8 bits
None
1
None
PC
COM 1
CD
1
RXD
2
TXD
3
DTR
4
SG
5
DSR
6
RTS
7
CTS
8
RING
9
(Dsub-9 pin)
Specification
Projector
SERVICE Port
1
2
3
4
5
6
7
8
(Mini DIN-8 pin)
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