Panasonic PT42PD3P PT42PD3P User Guide - Page 17

SERIAL Terminals connection The SERIAL terminal is used when the Plasma Display is controlled by a computer. COMPUTER Connections Ferrite core (supplied) RS-232C straight cable SERIAL 6789 12345 D-sub 9p Less than 7" 7/8 (20 cm) Notes: (1) Use the RS-232C cable to connect the computer to the Plasma Display. (2) The computers shown is for example purposes only. (3) Additional equipment and cables shown are not supplied with this set. Pin layout for RS-232C The SERIAL terminal conforms to the RS-232C interface specification, so that the Plasma Display can be controlled by a computer which is connected to this terminal. The computer will require software which allows the sending and receiving of control data which satisfies the conditions given below. Use a computer application such as a programming language to software. Refer to the documentation for the computer application for details. Communication parameters Signal level Synchronization method Baud rate Parity Character length Stop bit Flow control RS-232C compliant Asynchronous 9600 bps None 8 bits 1 bit - RS-232C Conversion cable D-sub 9-pin female Details 2 R X D 3 T X D 5 GND 4 • 6 Non use 7 Shorted 8 1 • 9 NC Basic format for control data Command The transmission of control data from the computer starts with a STX signal, followed by the command, the parameters, and lastly an ETX signal in that order. If there are no parameters, then the parameter signal does not need to be sent. Command PON POF AVL STX C1 C2 C3 : P1 P2 P3 P4 P5 ETX Start (02h) Colon Parameter(s) End 3-character (1 - 5 bytes) (03h) command (3bytes) AMT IIS Note: (1) If multiple commands are transmitted, be sure to wait for the response for the first command to come from this unit before sending the next command. (2) If an incorrect command is sent by mistake, this unit will send an "ER401" command back to the computer. DAM Parameter None None ** 0 1 None VID YP1 RG1 None NORM ZOOM FULL JUST SELF Control details Power ON Power OFF Volume 00 ~ 63 Audio MUTE OFF Audio MUTE ON Input select (toggle) AV Mode Component / RGB mode (processed as a Y/PB/PR or RGB signals as set by this unit) PC mode Screen mode select (toggle) NORMAL (4:3) ZOOM FULL JUST Panasonic AUTO With the power off, this display responds to PON command only. 17