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VPL-ES3/EX3/ES4/EX4/EX5/EX50/EX5U/EW5
1. Introduction
This protocol manual describes the basic configuration and basic operations of various commands used
for projector. Projector can be controlled using the commands provided in “Appendix”. Using an external
CONTROLLER , etc., inputs can be switched and the power can also be turned on and off. In the follow-
ing paragraphs, “CONTROLLER” means an external device such as a PC which controls projector using
these commands.
2. RS-232C
2-1. Communication Specifications
<RS-232C Communication Signal>
. Full duplex communication channels (Flow control not performed.)
. Start-stop synchronism system
. Baud rate: 38.4 kbps (bits per second)
. The bit configuration is defined as follows.
VPL-ES3/EX3
1 START Bit + 8 DATA Bits + 1 STOP Bit
Other than above
1 START Bit + 8 DATA Bits + 1 PARITY Bits + 1 STOP Bit
Even Parity ... The sum of ones in D0 to D7 and parity is even.
D4 D5 D6 D7
(MSB)
PARITY
(EVEN)(LSB) BIT
STOP
BIT
START D3D2D1D0
D4 D5 D6 D7
(MSB)(LSB) BIT
STOP
BIT
START D3D2D1D0
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