Panasonic 20 000lm / SXGA / 3-Chip DLP™ Projector Operating Manual - Page 203
ENGLISH - 203, When multiple projectors are controlled
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Chapter 6 Appendix - Technical information Attention ff If a command is transmitted after the lamp starts illuminating, there may be a delay in response or the command may not be executed. Try sending or receiving any command after 60 seconds. ff When transmitting multiple commands, be sure to wait until 0.5 seconds has elapsed after receiving the response from the projector before sending the next command. When transmitting a command which does not need a parameter, a colon (:) is not necessary. Note ff If a command cannot be executed, the "ER401" response is sent from the projector to the computer. ff If an invalid parameter is sent, the "ER402" response is sent from the projector to the computer. ff ID transmission in RS‑232C supports ZZ (ALL) and 01 to 64, as well as 0A to 0Z groups. ff If a command is sent with an ID designated, a response will be sent to the computer only in the following cases. gg It matches the projector ID gg ID is designated as ALL and [RESPONSE(ID ALL)] is set to [ON] gg ID is designated as GROUP and [RESPONSE(ID GROUP)] is set to [ON] ff STX and ETX are character codes. STX shown in hexadecimal is 02, and ETX shown in hexadecimal is 03. When multiple projectors are controlled When multiple projectors are all controlled When controlling multiple projectors together via RS‑232C, perform the following settings. 1) Set a different ID for each projector. 2) Set [RESPONSE(ID ALL)] to [ON] in only one projector. 3) Set [RESPONSE(ID ALL)] to [OFF] for all other projectors set in Step 2). When multiple projectors are all controlled by group unit When controlling multiple projectors by group unit via RS‑232C, perform the following settings. 1) Set a different ID for each projector. 2) Set [RESPONSE(ID GROUP)] to [ON] in only one projector. 3) Set [RESPONSE(ID GROUP)] to [OFF] for all other projectors set in Step 2). Note ff There will be no response if two or more projectors have [RESPONSE(ID ALL)] set to [ON]. ff There will be no response if two or more projectors of the same group have [RESPONSE(ID GROUP)] set to [ON]. ff When setting multiple groups, set [RESPONSE(ID ALL)] to [ON] in only one projector in each group. Cable specification When connected to a computer 1 NC NC 1 2 2 3 3 Projector 4 NC NC 4 Computer ( terminal) 5 5 (DTE specifications) 6 NC NC 6 7 7 8 8 9 NC NC 9 When multiple projectors are connected 1 NC NC 1 2 2 3 3 Projector 1 4 NC NC 4 Projector 2 ( terminal) 5 5 ( terminal) 6 NC NC 6 7 7 8 8 9 NC NC 9 ENGLISH - 203