PDG-DHT8000L Expand Serial Command Functional Specifications
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1． Overview
・ This Functional Specification defines communication for PDG-DHT8000L.
・ Most commands are also available to remote-control a projector through RS-232C from a computer.
Therefore, commands are defined as Expand Serial Commands.
・ The operation by some commands depends on Optional Board installed in Input Slot of the
projector.
・ This document assumes that Option Boards are installed.
2． Serial Interface Specification
2.1 Transfer Specification
Items Specification
Synchronous System Asynchronous
Transmission Speed 9600 / 19200
Data Length 8 bit
Parity N/A
Stop Bit 1
Flow Control N/A
1) Transmission Speed: initial setting value is 19200
2) Transmission Speed can be changed in Service Mode
2.2 Connection
Dedicated serial cables that come with a projector must be used for the connection between a
computer and the projector.
PC Projector
COM 1 Serial Port IN
（D-Sub 9 Pin） （D-Sub 9 Pin）
Connect COM port of the computer to SERIAL PORT IN of the projector.
COM Port (COM1 or COM2) of a computer is specified by control software of the computer.
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