Toshiba TLP-250 Owners Manual - Page 71

Controlling the projector by using RS-232C CONTENTS 71 You can also control the projector by entering the command from a computer via RS-232C. Signal assignment of RS-232C 12 4 3 5 6 8 7 CONTROL RS-232C Pin No. 1 2 3 4 5 6 7 8 Signal RXD CTS DSR GND RTS N.C TXD N.C Description Receiving data Consent to send Data set ready Signal ground Request to send No connection Sending data No connection Interface format 1 Communication method 2 Communication format 3 Data format 4 Return value RS-232C 9600 bps, No parity, Data length: 8 bits, Stop bit: 1 bit STX (02h) Command (3Byte) ETX (03h) One command only can be used per communication. Commands shall be composed of alphanumeric characters of ASCII description. Use only capital letters. Acknowledge ACK (06h) Not Acknowledge NAK (15h) Command list Classification Items/Status Power On Off (with confirmation message) Shut Down (without confirmation message) Normal (RS-232C Condition Display Off) Picture Contrast Brightness Sharpness Camera gain Increase Decrease Picture mode Bright True color Selection Command PON POF PSD DOF VCN VBR VSH CGU CGD MVB MVP Adjustment Command Yes Yes Yes - Analog RGB Yes Yes Yes Yes Yes Yes Yes Yes Video Yes Yes Yes Yes Yes Yes Yes - S-Video Yes Yes Yes Yes Yes Yes Yes - Y/PB/PR Yes Yes Yes Yes Yes Yes Yes - Camera Yes Yes Yes Yes Yes Yes Yes Yes Yes - Notes • When commands are transmitted serially, wait for the reply of the projector (acknowledge or not acknowledge) before sending the next command. • Adjustment commands include "ARG" (increase adjustment value) and "ALF" (decrease adjustment value). For usable items (marked "Yes"), send after the selection command. • The "Yes" marks in the input source columns indicate that that command can be used. Continued Others