Panasonic TH32LRT12U TH32LRT12U User Guide - Page 14

Connections Serial Terminals connection The SERIAL terminal is used when the Display is controlled by a computer. COMPUTER RS-232C Straight cable 54 321 67 89 D-sub 9p (Female) (Male) Pin layout for SERIAL Terminal Notes: • Use the RS-232C straight cable to connect the computer to the Display. Signal names for D-sub 9P connector • The computer shown is for example purposes only. • Additional equipment and cables shown are not supplied with this set. Pin No. 2 3 Details RXD TXD The SERIAL terminal conforms to the RS-232C interface 5 GND specification, so that the Display can be controlled by a computer 4 • 6 Non use which is connected to this terminal. 7 • 8 Non use The computer will require software which allows the sending 1 • 9 NC and receiving of control data which satisfies the conditions given below. Use a computer application such as programming These signal names are those of computer specifications. language software. Refer to the documentation for the computer application for details. Communication parameters 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 - Command PON POF AVL AMT IMS Parameter None None ** 0 1 None RF1 Control details Power ON Power OFF Volume 00 - 63 Audio MUTE OFF Audio MUTE ON Input select (toggle) RF INPUT Basic format for control data The transmission of control data from the computer starts with an 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. AV1 AV2 AV3 YPbPr HDMI1 HDMI2 AV1 INPUT AV2 INPUT AV3 INPUT YPbPr INPUT HDMI1 INPUT HDMI2 INPUT STX C1 C2 C3 : P1 P2 P3 P4 P5 ETX Colon Parameter(s) End (1-5 bytes) (03h) Start (02h) 3-character command (3 bytes) Notes • 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. DAM HDMI3 PC None FULL JUST NORM HDMI3 INPUT PC INPUT Screen mode select (toggle) 16:9 JUST 4:3 With the power off, this display responds to PON command only. • If an incorrect command is sent by mistake, this unit will send an ER401 command back to the computer. 14