MR3P Series EXPAND SERIAL COMMAND FUNCTION SPECIFICATION
Software Engineer Division
1. OVERVIEW
1.1 This Functional Specification defines the Network Card and the communication
functions for MR3P Series (1.3”XGA
Ⅴ
-4 LV-7555).
1.2 A projector firmware Ver. 1.x -ready
1.3 Commands are to communicate to Network card, but most commands control a
remote projector with PC installed RS232C. That’s why Commands are defined as
expand serial commands.
2. Serial Interface Specification
2.1 Communication Specification
Specification
Synchro system
Asynchronou
Transmission Speed
9600 / 19200
Date Length
8 bit
Parity N/ae
Stop Bit
1
Flow Control
N/A
Note) Transfer rate: initial setting value is 19200.
Note) Transfer rate can be changed by service mode
2.2 Connection
Use dedicated serial cable that comes with the projector must be used for a
connection to a computer and a projector.
PC
Projector
COM No.1
Control 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
(D-Sub 9 Pin) (Mini 8 Pin)
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