-RS232 Serial Communication Control for
Contents
1. p 0 K 5 oy uy CC O O Advanced Option y f f q Hy Q D Information OSD 02h 3Dh 0 disable information OSD 3 10 OSD timer seconds Off Timer 02h 2Bh 0 OFF 1 1 hour 24 24 hours OSD Turn Off U Uh O 4 Do not set A 096p 120 120sec OSD H 02h 38h Position Position V 02h 39h Position ae a a a eee eee Se SOS SOO Input Resolution 02h DAh Auto gt 1024x768 1280x768 1360x768 Black Level gt OFF Expansion MIDDLE HIGHT Gamma Selection 02h 68h Gamma Table Selection 1 Native Gamma 4 Gamma 2 2 8 Gamma 2 4 7 S Gamma S Option Dicom porns OFF INTERLACE Enable Film Mode Monitor LID sd Monitor LID sd a i 1 26 ID o ID IR 02h li Lock Orr s2Prinery ee Tiling H monitor Number V monitor Number 5 Position 02h Deh 1 Upper left Mode 02h D3h y Disable ica Frame ae Power On Delay 0 OFF 2 4 6 8 10 20 30 40 50 50sec Advanced Option Reset 02 CES TI RESET Momentary 40 52 Item OP code OP code Parameter Remarks page Input U Uh RGB2 D SUB RGB3 BNC RGB1 DVI D DVD HD VIDEO Composite o VIDEO Picture Mode SRGB SRGB Hi Bright PC mode only Standard Cinema edi A V mode only Lea Sa eee PIP ON OFF 02h van Still ON OFF PIP Input 02h 73h This operation has gt RGB 2 D SUB limitation of gt RGB 3 BNC selection Please RGB 1 DVI D refertothemonitor2. Q 30h Reserved AY 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z which is corresponding to monitor ID from Nol to No 26 should be set to this portion a broad cast command only set command is available then the 5Ah If it is TXT 2Ah should be applied O 30h Message sender is the controller A 41h Message type is Command O C 30h 43h Message length is 12 bytes Message STX 02h Start of Message C 2 0 3 D 6 43h 32h 30h 33h 44h 36h 0 0 0 1 30h 30h 30h 31h Power mode 0001 ON 0002 0003 Do not set 0004 OFF same as the power off by IR power control command ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies a data for confirmation If command is sent as Broadcast then no reply Should be sent back check code STX HOT HOT C VOY HOT TO OQ Q ETX Header SOH Olh Start Of Header O 30h Reserved O 30h Message sender is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h B 42h Message type is Command reply N N Message length hr SAN Note The maximum data length that can be written to the monitor at atime is 32bytes Ex
3. YES ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 9 2 Date amp Time Write This command is used in order to write the setting of the Date amp Time 1 The controller requests the monitor to write Date amp Time Check code Header SOH Olh Start Of Header O 30h Reserved AY 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion If it is a broad cast command only set command is available then the 2Ah should be applied O 30h Message sender is the controller A 41h Message type is Command 1 4 31h 34h Message length Message STX 02h Start of Message C 2 1 2 43h 32h 31h 32h Date amp Time write command 26 32 oe SEE Changes fer the Bester YY MM DD WW HH MN DS Date amp Time data YY Year offset 2000 0 0 30h 30h 2000 6 3 Sol 33h 2099 99 63h MM Month 0 1 30h 31h January 0 C 30h 43h December DD Day Urera Um eaa T 1 E 31h 45h 30 1Eh WW weekdays This parameter if no use since the week is automatically calculated by Monitor based on the date data HH Hours 0 0 30h 30h U 1 7 31h
4. 24DVD HD instruction VIDEO Composite manual Still Capture Off Momentary a oo Seal ell B a c e oo ae PIP V Position Side Down Select Temperature Sensor 1 sensor Sensor 2 sensor Readout a temperature Returned value is 2 s Read only complement Refer to section 6 2 Temperature 41 52 Changes fer the Besser All data are subject to change without notice Copyright 2008 2009 Mitsubishi ElectricCorporation All Right Reserved This document provides the technical information for users Mitsubishi ElectricCorporation reserves the right to change or modify the information contained herein without notice Mitsubishi ElectricCorporation makes no warranty for the use of its products and bears no responsibility for any errors or omissions which may appear in this document 42 52
5. tse Refer to section 5 2 Get parameter reply for more details 3 Set parameter The controller sends this message to change a setting of the monitor Message format of the Set parameter is as follows sax FOE e soge set my mi to i to MB Refer to section 5 3 Set parameter for more details 4 Set Parameter reply The monitor replies with this message for a confirmation of the Set parameter message Message format of the Set parameter reply is as follows Requested setting P T M 1 Result OP code page OP code ax value Value ETK Refer to section 5 4 Set parameter PETE for more details 5 Command Command message format depends on each command Usually this command message is used for some non slider controls and some special operations such as Save current settings Get timing report power control Schedule etc Refer to section 5 5 Commands message for more details 8 52 Changes fer the Berjer 6 Command reply The monitor replies to a query from the controller Command reply message format depends on each command Refer to section 5 5 Commands message for more details Sas aaae T _Delinices 9732 oe SE ELECTRIC Changes fer the Better 4 5 Check code Check code is the Block Check Code BCC between the Header and the End of Message except SOH SOH Do Reserved Dy Destination
6. 42h Message type is Command reply N N Message length Note The maximum data length that can be written to the monitor at atime is 32bytes Ex The byte data 20h is encoded as ASCII characters 2 and 0 34h and 30h Message STX 02h Start of Message O O Result code No error C 0 0 E 43h 30h 30 45h Asset Data write command 0 0 Offset address from top of Asset data 00h Write data into from top of the Asset data area Data 0 Data N Asset data The data must be ASCII characters strings 24 52 Changes fer the Beater ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 9 Date amp Time read and write 9 1 Date amp Time Read This command is used in order to read the setting of Date amp Time 1 The controller requests the monitor to reply with the Date amp Time check code T S ck Header SOH Olh Start Of Header O 30h Reserved TAY 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message type is Command OT 6 S0h ooh length Message STX 02h Start of Message Eh 2 1 1 43h 32h 31h 31h Date amp time read request
7. End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor returns with the current power status SIX LL RL a5 Dee iG ee ee ee 7 0r NG eet AN est aee TTX Header SOH Olh Start Of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message Type is Command reply 2T 2 31h 32h Message length is 18 bytes Message STX 02h Start of Message O 2 30h 32h Reserved data rO7 F0 30h 30h Result code 00 No Error 01 Unsupported D 6 44h 36h Display power mode code O O 30h 30h Parameter type code is Set parameter PDP TO teh heat 30n 30m 20h ARI Z Power mode is 4 types 0 0 0 1 30h 30h 30h 31h Current power mode lt Status gt 0001 ON 0002 Stand by power save 003 Sussenc 0 0004 OFF same as IR power off ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 7 2 Power control 1 The controller requests the monitor to control monitor power Check code STX C 2 0 3 D 6 TO O Q ETX 21 92 oe Se Changes fer the Better Header SOH Olh Start Of Header
8. Message C 2 1 4 43h 32h 31h 34h Schedule writes command PG ON HOURS ON MIN OFF HOURS OFF Min INPUT WD FL Schedule data PG Program No 0 0 30h 30h Program No 1 0 6 30h 36h Program No 7 ON_HOUR Turn on time hour 0 0 30h 30h 00 1 7 31h 37h 23 17h 1 8 31h 38h ON timer isn t set ON_MIN Turn on time minute 0 0 30h 30h 0 3 B 33h 42h 59 3 C 33h 43h On timer isn t set OFF HOUR Turn off time hour 0 0 30h 30h 00 1 7 31h 37h 23 17h 1 8 31h 38h Off timer isn t set OFF_MIN Turn off time minute 0 0 30h 30h 0min 3 B 33h 42h 59 3Bh 3 C 33h 43h Off timer isn t set INPUT Timer input 0 0 30h 30h RGB1 DVI D 0 1 30h 31h RGB2 D SUB 0 2 30h 32h RGB3 BNC O 3 30h 33h Reserved ot t4t 30h 34h DVD HD 0 5 30h 35h VIDEO 0 6 30h 36h VIDEO S 0 7 30h 37h It is operates by last memory input WD Week setting bit 0 Monday bit 1 Tuesday 31732 oe SEE Changes fer the Beater bit 2 Wednesday bit 3 Thursday bit 4 Friday pit 5 Saturday bit 63 Sunday EX O 1 30h 31h Monday O 4 30h 34h Wednesday O F 30h 46h Monday Tuesday Wednesday and Thursday T F 37h 46h Monday to Sunday FL Option bit 0 Everyday bit 1 Every week bit 2 Schedule Disable Enable When bitO a
9. RS232 Serial Communication Control for LDT422V with RS232C out support 1 Application This document defines the communication protocols for serial control of the LDT422V Release Oct 07 2009 H Tanizoe 1732 Changes fer the Better 2 Connectors and wiring RS232C connection Connector D Sub 9 pin Cable Cross reversed cable or null modem cable Ee fo RS 232C from RS 232C to RS 232C from RS 232C IN terminal OUT terminal IN ferminal OUT terminal m 4 ee UI Ta TaT t L or to RS 232C IN terminal 1 Communication system Asynchronous Full duplex 2 Interface RS232C 3 Baud rate 9600bps 4 Data length Sbits 5 Parity None 6 Stop bit 1 bit 7 Communication code ASCII 3 1 Communication timing The controller should wait for a packet interval before next command is sent The packet interval needs to be longer than 600msec for the LDT422V Important Information HOST system shall send next command after receiving a reply command from Monitor if it is sequential commands communication If Host do not wait for monitor s reply communication error may happen Communication disabled period after power on After Monitor Power on either by AC switch Remote Controller or Serial communication command Monitor goes initialize mode of controller and can not handle the remote control commands correctly during the mode So do NOT send any command at least 7 sec after monitor power on If
10. SE Changes fer the Better 5 Remote command Not executable in stand by mode When the remote commands are sent while stand by mode the stand by mode is only canceled Some remote control operations can be achieved by the remote command codes The remote commands have no data codes Button s name on remote Function VOLUME ee Example When executing the AUTOSETUP Figures and symbols enclosed in quotation marks are ASCII codes Sending commands Status code Description from the PC etc from the projector 30 30 72 30 39 OD Command operating the same 00r09 4I as the MENU button 30 30 72 30 39 OD Command receipt confirmation 00r09l Command echo back 5 52 4 2 Extended command oe Se Changes fer the Besser Note This command set supports more flexible and detailed control This command set will NOT be written in the user s manual of LDT422V The command packet consists of four parts Header Message Check code and Delimiter Sequence of a typical procedure to control a monitor is as follows A controller and a monitor Controller Get Parameter gt gt lt m Get Parameter Repl Set Parameter Message Header Set Parameter Reply Get Parameter lt Get Parameter Repl Save Current Setting Command gt 6 52 two way communication compo
11. Self diagnosis status 1 The controller requests the monitor to read Self diagnosis status check code TD T EL Header SOH Olh Start of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message type is Command O 4 30h 34h Message length Message STX 02h Start of Message Bt 1 42h 31h Self diagnosis command ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies a result of the self diagnosis Check code 0 0 A B N N STXS TATS Ts ST 0 ST 1 Header SOH Olh Start Of Header Q 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply N N Message length Note The maximum data length that can be written to the monitor at atime is 32bytes Ex The byte data 20h is encoded as ASCII characters 2 and 0 34h and 30h Message STX 02h Start of Message LATE 41h 31h Application Test Report reply command ST Result of self tests 34 52 oe SE
12. The byte data 20h is encoded as ASCII characters 2 and 0 32h and 30h Message STX 02h Start of Message O 0 30h 30h Result code No error C 2 0 3 D 6 43h 32h 30h 33h 44h 36h power control reply command gt The monitor replies same as power control command to the controller 0 0 0 1 30h 30h 30h 31h Power mode 0001 ON 0002 0003 Do not set 0004 OFF same as the power off by IR ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 22 92 Changes fer the Besser 8 Asset Data read and write 8 1 Asset Data Read Request and reply This command is used in order to read Asset Data 1 The controller requests the monitor to reply with Asset data check code Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message type is Command O A 30h 41h Message length is 10 bytes Message STX 02h Start of Message C O O B 43h 30h 30 42h Asset read request command 0 0 30h 30h Offset data from top of the Asset data At first set 00h Read data from the top of Asset d
13. in the page U O O 30h 30h This operation is Set parameter type O 0 6 4 30h 30h 36h 34h Brightness max value is 100 0064h OTH tryter g t T 30h SOh 33h 320 Current Brightness setting 18s 350 0032ZN as 504 ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet Step 3 The controller request the monitor to change the Brightness setting Header Message Check code Delimiter Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion If it is a broad cast command only set command is available then the X 2Ah should be applied O 30h Message sender is the controller E 45h Message Type is Set parameter command VU TY AT 30h 41h Message length is 10 bytes Message STX 02h Start of Message O O 30h 30h Operation code page number is 0 2 0 31h 30h Operation code is 10h in the page U Ott O Se S 0 30h 30h 35h 30h Set Brightness setting 30 0050n as B03 ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet Step 4 The monitor r
14. isn t set OFF_HOUR Turn off time hour 0 0 30h 30h 00 1 7 31h 37h 23 17h 1 8 31h 38h Off timer isn t set OFF_MIN Turn off time minute 0 0 30h 30h U 3 B 33h 42h 59 3Bh 3 C 33h 43h Off timer isn t set INPUT Timer input O 0 30h 30h maT 20h 21h Oa 30h 3A 0 13 30h 33h 0 4 30h 34h dE 30h 350 MO a 30h 36h OST 30h TI WD Week setting bit 0 Monday bit 1 Tuesday bit 2 Wednesday bit 32 Thursday bit 4 Friday pit Of Saturday bit 6 Sunday EX POP a 1 30h Sih Oe a 30h 34h VOT LR T 30h 46h VITAE T 37h 46h FL Option bit 0 Everyday bit 1 Every week bit 2 Schedule Di x When bitO and bitl are RGB1 DVI D RGB2 D SUB RGB3 BNC Reserved DVD HD VIDEO VIDEO S It is operates by last memory input Monday Wednesday Monday Monday to Sunday Tuesday Wednesday and Thursday sable Enable 1 it behaves as Everyday EX FL setting Schedule Everyday Schedule behavior Po schedule Disable SSS Po Schedule Disable o averyday Everyweek Follow WD Week setting 0 Everyday Changes fer the Bester ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 11 Self diagnosis 11 1 Self diagnosis status read This command is used in order to read the
15. must be encoded to ASCII characters Ex 0123h S 1 MSB ASCII 0 30h De ASCTT YL 31h a ASOT 12 67K 4 LSB ASCII 3 33h 10 byte ETX End of Message ASCII ETX 03h 5 4 Set parameter reply Requested setting ox Leo slant ec ETX E ETE Hi Lo MSB LSB MSB LSB 15 L t t t t id T 10 4h 17 The Monitor echoes back the parameter and status of the requested operation code If command is sent as Broadcast then no reply should be sent back 1 byte STX Start of Message ASCII STX 02h 2 3 bytes Result code ASCII 0 0O 30h 30h No Error ASCII 0 1 30h 31h Unsupported operation with this monitor or unsupported operation under current condition 4 _5 hvtes OP code page Echoes back the Operation code page for confirmation Reply data from the monitor is encoded to ASCII characters Ex OP code page 02h gt OP code page ASCII UT and 2 30h and 32h Refer to Operation code table 6 7 bytes OP code Echoes back the Operation code for confirmation Reply data from the monitor is encoded to ASCII characters Ex OP code 1Ah gt OP code Hi ASCII 1 31h OP code Lo ASCII A 41h Refer to Operation code table g _o bytes Type Operation type code 13 92 oe SE Changes fer the Bester ASCII O Q 30h 30h Set parameter ASCII 0 1 30h 31h Momentary Like Auto Setup function that automatically changes the parameter 10 13 bytes Max
16. the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet Step 3 The controller requests the monitor to send the temperature from the selected sensor Check code SA Cok ke aie E L Header SOH Olh Start of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller C 43h Message Type is Get parameter 197342 Changes fer the Better O 6 30h 36h Message length is 6 bytes Message STX 02h Start of Message O 2 30h 32h Operation code page number is OQ2h Mit 9 33h 39h Operation code is 79m im the page 2 ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet Step 4 The monitor replies a temperature of selected sensor check code SOH 0 0 A D 1 2 STX 0 0 0 21 7 1 91_ 10 1 T10 BCC CR 0 0 F F 0 0 3 2 ETX Header SOH Olh Start of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah D 44h Message Type is Get parameter reply
17. value Maximum value that monitor can accept 16bits Reply data from the monitor is encoded to ASCII characters Ex 0 1 2 3 means 0123h 291 14 17 bytes Requested setting Value Echoes back the parameter for confirmation 16bits Reply data from the monitor is encoded to ASCII characters Ex O 1 2 3 means 0123h 291 18 byte ETX End of Message ASCII ETX 03h 5 5 Commands Command message format depends on each command Some commands are shown with usage Refer to section 7 to 10 5 5 1 Save Current Settings The controller requests for the monitor to store the adjusted value gt Send 0C 30h 43h as Save current settings command gt Complete Save Current setting command packet as follows The destination A monitor ID of 1 is only an example It should be changed according to the target monitor ID ASCII Oln 30h 41h S0n 41h 30h 34h 02n 30h 4 3h 03h CHK 0Dh SOS OHA ta Oa pian a ATR ka Oa Ca XH Cnn CR The monitor replies the packet for confirmation as follows DOH OH Ob ee lt a eae ee Oe Cea TX CHkh CR 5 5 1a Save Current Settings Quick The controller requests for the monitor to store the adjusted value This command supports only following items in order to shorten execute time in monitor inside CONTRAST BRIGHT Color Temperature IRControl Inoformation OSD H Position V Position Sharpness Black Level Tint Color OSD Turn Off Off Timer OSD H Position OSD V Po
18. you make the code which send any command after Power ON command please put a wait at least 7 sec after sending the command 2 52 oe Nae Changes fer the Better 4 Communication Format 4 1 Basic command This command set supports only the basic control of monitor and does NOT support multi monitor control by daisy chained connection This command set will be written in the user s manual of LDT422vV 1 Control command diagram The command is structured by the address code function code data code and end code The length of the command is different for each function _ Address code ASCII Address code 30h 30h In ASCII code 0 0 fixed Function code A code of each fixed control move Data code A code of each fixed control data number and not always indicated End code ODh In ASCII code 1 fixed 2 Control sequence 1 The command from a computer to the LCD monitor will be sent in 600ms 2 The LCD monitor will send a return command 600ms after it has received and encoded If the command isn t received correctly the LCD monitor will not send the return command 3 The personal computer checks the command and confirms if the command which has been sent has been executed or not 4 This LCD monitor sends various codes other than return code When having a control sequence by RS 232C reject other codes from personal computers side The sending time of return command may delay depend
19. 2T 2 31h 32h Message length is 18 bytes Message STX 02h Start of Message O Q 30h 30h Result code No error O 2 30h 32h Operation code page number is 2 7 9 37h 39h Operation code is 79h in the page 2 O O 30h 30h This operation is Set parameter type O O F F 30h 30h 46h 46h Maximum value O 0 37 2 30h 30h 33h 32h The temperature is 50 degrees Celsius Readout value is 2 s complement Temperature Celsius 125 0 0000 0000 0111 1101 007Dh 0000 0000 0001 1001 0019h HH 000000000000 oooo ooon zia onon e ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 7 Power control procedure 7 1 Power status read 1 The controller requests the monitor to reply a current power status Check code SSA e SEAS 7 E 20 92 oe aE Changes fer the Beater Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message Type is Command O 6 30h 36h Message length is 6 bytes Message STX 02h Start of Message O 1 D o Get power status command ETX 03h
20. 37h 23 17h MN Minutes 0 0 30h 30h U 3 B 33h 42h 59 3Bh DS Daylight saving Summer time LD T Y DT 30h 30h NO POTS iL 4 SO SOR YEG ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies a data for confirmation If command is sent as Broadcast then no reply should be sent back Check code STX C 3 1 2 ST YY MM DD WW HH MN DS ETX ee ee Start Of Header O 30h Reserved Message receiver is the controller Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply 1 6 31h 36h Message length Message STX 02h Start of Message Eh 37 1 2 43h 33h 31h 32h Date amp Time write reply command ST Date amp Time Status command 0 0 30h 30h No error 0 1 30h 31h Error YY MM DD WW HH MN DS Date amp Time data YY Year offset 2000 0 0 30h 30h 2000 41 32 Ore a La Ohy 391 MM Month rer ragi oli 2 PQS SEC SUD Tet DD Day POST SU ob Cte 1S Lig ASS Late an Aon WW weekdays 63h oe SE Changes fer the Berjer This parameter if no use since the week is automatically calculated by Monitor based on the date data HH Hours dA e 2575 Ae T L O
21. D 44h Get parameter reply ASCII E 45h Set parameter ASCII F 46h Set parameter reply 6 7 bytes Message Length Specify the length of the message that follows the header from STX to ETX This length includes STX and ETX The byte data must be encoded to ASCII characters Ex The byte data 3Ah must be encoded to ASCII characters 3 and A 33h and 41h The byte data OBh must be encoded to ASCII characters 0 and B 30h and 42h 7 52 oe SEE Changes fer the Berjer 4 2 Message block format Header Message Check code Delimiter Message block format is allied to the Message Type in the Header Refer to the section 6 Message format for more detail 1 Get current parameter The controller sends this message when you want to get the status of the monitor For the status that you want to get specify the OP code page and OP code refer to Appendix A Operation code table Message format of the Get current parameter is as follows osx Qe cove page Eee em Hi bo Hi Io Refer to section 5 1 Get current parameter from a monitor for more details 2 Get Parameter reply The monitor will reply with the status of the requested item specified by the controller in the Get parameter message Message format of the Get parameter reply is as follows op code page Current Value Tai to mi to use tse se
22. D Source D3 Type D4 Length Ds STX De Data D ETX Da Check code Da 1 Daur Dy XOR Dy XOR Ds KOR ore Da XOR Exclusive OR Following is an example of a Check code BCC calculation Header Check Destination Source Message OP code code Delimiter n De ra Ds Check code BCC Di7 D xor D xor D3 xor xor D44 xor Djs xor Dig 30h xor 41h xor 30h xor 45h xor 30h xor 41h xor 02h xor 30h xor 30h xor 31h xor 30h xor 30h xor 30h xor 36h xor 34h xor 03h Th 4 6 Delimiter Packet delimiter code ASCII CR ODh 10 92 Changes fer the Beater 5 Message type 5 1 Get current Parameter from a monitor oP code page Send this message when you want to get the status of a monitor For the status that you want to get specify the OP code page the OP code refer to Appendix A Operation code table 1 byte STX Start of Message ASCII STX 02h a bytes OP code page Operation code page Specify the OP code page for the control which you want to get the status Refer to Appendix A Operation code table for each item OP code page data must be encoded to ASCII characters Ex The byte data 02h must be encoded to ASCII characters 0 and 2 30h and 32h OP code page 02h gt OP code page Hi ASCII O 30h OP code page Lo ASCII 2 32h Refer to Operation code table Appendix A 4 P_5 bytes OP code Operation code Refer to Appendix A Operat
23. E Changes fer the Berjer UU Normal 70 Analog 3 3V abnormality 71 Analog 12V abnormality 72 Analog 5V abnormality 73 Audio amplifier 12V abnormality 78 Panel 12V abnormality S0 Cooling tfan 1 abnormality 81 Cooling fan 2 abnormality gt The byte data 70 is encoded as ASCII characters 7 and 0 37h and 30h ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 35 92 Changes fer the Beater 12 Serial No amp Model Name Read 12 1 Serial No Read This command is used in order to read a serial No 1 The controller requests the monitor to read a serial No check code SD eC alae el L Header SOH Olh Start Of Header O 30h Reserved AY 41h Monit or ID If the command should be sent to certain monitor only the either of character A 41h to Z which is corresponding to monitor ID from Nol to No 26 should be set to this portion SAh O 30h Message sender is the controller A 41h Message type is Command O 6 30h 36h Message length Message STX 02h Start of Message C 2 1 6 43h 32h 31h 36h Serial No command ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies a data for confirmation If command is s
24. H Freg Horizontal Frequency in unit 0 01kHz gt V Freq Vertical Frequency in unit 0 01Hz Ex When H Freg 26 L792 A 9 3th 32h 41h 390 it means 47 7 kKHz 5 5 3 NULL Message The NULL message returned from the monitor is used in the following cases gt A timeout error has occurred The default timeout is 10sec gt The monitor receives an unsupported message type gt The monitor detects a packet BCC Block Check Code error gt To tell the controller that the monitor does not have any answer to give to the host not ready or not expected 15 92 oe Se Changes fer the Beater gt Complete NULL Message command packet as follows The destination A monitor ID of 1 is only an example It should be changed according to the target monitor ID O1h 30h 30h 41h 41h 30h 34h 02h 42h 45h 03h CHK ODh SORS tat tat Te Be het A eo ae he EETA CER OR 6 Typical procedure example The following is a sample of procedures to control the monitor these are examples of Get parameter Set parameter and Save current settings 6 1 How to change the Brightness setting Step 1 The controller requests the Monitor to reply with the current brightness setting and capability to support this operation Get parameter Check code olka ah tar ee Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of ch
25. OP code OP code Parameter Remarks page S a x OG fH ar Noise Reduction Color control Red 16h Green 18h Blue 1Ah baa ef E Color Temperature 2 0 2600K 100K step 74 10000K H Position 00h 20h i i Depends on a display timing V Position j Depends on a display timing Clock U Uh Clock phase U Uh H Resolution 02h a J i OG me V Resolution 02h Zoom Mode 02h custom Dynamic 6 Normal FULL Zoom H Expansion 02h 100 100 300 Zoom V Expansion 02h 100 300 96 52 Item OP code OP code Parameter Remarks page Japanese Italian Swedish Zoom H Position 02h Left side Right side Zoom V Position GG Down side Balance U Uh 93h 50 Center 100 Right Treble O Min 50 Center 100 Max Bass Min 50 Center aan Max audis ceset oa ata Reset onentaey PIP Size 71ih 7 Small 2 Middle 3 Large Auto Setup 00h imn 1 Execute Momentary a a a ca Power n pr ON Language EE OSD Language German French Spanish Chinese Screen Gamma 02h DBh normal Saver screen saving gamma Brightness 02h DCh 1 normal 2 decrease brightness En 1 Auto 2 Forced ON Ne oe vl Ae S O j5 K 5 OD wy S O O o Color System NTSC PAL gt SECAM Auto 4 43NTSC PAL 60 S 39 52 oe SE Changes fer the Bester Item OP code OP code Parameter Remarks page N CC O
26. SCII character 1 and A 31h and 41h gt _o bytes Type Operation type code This returned value from the monitor is encoded to ASCII characters Ex The byte data 01h is encoded to ASCII character 0 and 1 30h and 31h 00h Set parameter Olh Momentary Like the AutoSetup function which automatically changes the parameter 10 13 bytes Max value Maximum value which monitor can accept 16bits This returned value from the monitor is encoded to ASCII characters Ex 0 1 2 and 3 means 0123h 291 14 17 bytes Current Value 16bits This returned value from the monitor is encoded to ASCII characters Ex 0 1 2 and 3 means 0123h 291 18 byte ETX End of Message ASCII ETX 03h 5 3 Set parameter STX OP code page Set Value M E E NN po 3h Ege eet Send this message to change monitor s adjustment and so on The controller requests a monitor to change value 1 byte STX Start of Message ASCII STX 02h Ima bytes OP code page Operation code page This OP code page data must be encoded to ASCII characters 12 32 Changes fer the Bester Ex The byte data 02h must be encoded to ASCII UT and 2 30h and 32h Refer to the Operation code table 4 _5 hvtes OP code Operation code This OP code data must be encoded to ASCII characters OP code 1Ah gt OP code Hi ASCII 1 31h OP code Lo ASCII A 41h Refer to the Operation code table 6 _9 bytes Set value 16bit This data
27. T MN Minutes TORO 30n 20h 2 fot BY 35h 42h DS Daylight saving ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet Summer time 0 0 30h 30h 0 1 30h 31h 28 32 Changes fer the Besser 10 Schedule read and write 10 1 Schedule Read This command is used in order to read the setting of the Schedule 1 The controller requests the monitor to read Schedule check code pike tat ZS Sa 3 PG n Tx Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller A 41h Message type is Command O 8 30h 38h Message length Message STX 02h Start of Message C 2 1 3 43h 32h 31h 33h Schedule read request command PG Program No gt The data must be ASCII characters strings ETX 03h End of Message Check code BCC Block Cheek Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies Schedule to the controller Check code Sige a St I 1 Ea LON HOURS ON N T NOE E HOURS OFF Min INPUT WD FL ETX SOH Olh Start of Hea
28. aracter A 41h to z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion If it is a broad cast command only set command is available then the X 2Ah should be applied O 30h Message sender is the controller C 43h Message is Get parameter command O 6 30h 36h Message length is 6 bytes Message STX 02h Start of Message O 0 30h 30h Operation code page number is 0 2 0 31h 30h Operation code is 10h in the OP code page 0 ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet Step 2 The monitor replies with current Brightness setting and capability to support this operation If command is sent as Broadcast then no reply should be sent back check code E T L H ae ea eee 10 0 6 4 0 0 3 2 ETX SOH Olh Start Of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor AT 41h 2 5Ah D 44h Message Type is Get parameter reply P1 2 Sin 32h s Message length 1s 18 bytes Message STX 02h Start of Message 0 0 30h 30h Result code No error O 0 30h 30h Operation code page number is 0 16 52 oe aE Changes fer the Better 2T 0 31h 30h Operation code is 10h
29. ata area 2 0 32h 30h Read out data length is 32bytes Maximum readout length is 32bytes at a time ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies Asset data to the controller Check ode SOH 0 0 A B N N GTS Cr at et Ota Bt Data 0 Data 1 Data N Header SOH Olh Start of Header O 30h Reserved QO 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply N N Message length Ex The byte data 20h is encoded to ASCII characters 2 and 0 32h and 30h Note This length is includes STX and ETX Message STX 02h Start of Message C 1 O B 43h 31h 30 42h Asset read reply command Data 0O Data N Retuned Asset data ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter 23 342 Changes fer the Beater CR ODh End of packet 8 2 Asset Data write This command is used in order to write Asset Data 1 The controller requests the monitor to write Asset data Check code SOH O A O A STX C OQ O EH Q OQ T Data 0 Data 1 Data N Header SOH Olh Start Of Header O 30h Res
30. command ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies Date amp Time to the controller check code DT Oreto r M ERIX Header SOH Olh Start of Header Q 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply 1 4 31h 34h Message length Message STX 02h Start of Message C 3 1 1 43h 33h 31h 31h Date amp Time read reply command YY MM DD WW HH MN DS Date amp Time data YY Year offset 2000 PO 0 30h 30h 2000 6 3 Sony 33h 2099 99 63h MM Month 25 32 oe aE Changes fer the Better 0 1 30h 31h January 0 C 30h 43h December DD Day FUT AUR 31h 1 1 E 31h 45h 30 LEh 1 F 31h 46h 31 1Fh WW weekdays Ot O 300 30h Sunday MOtat I 30b 31h Monday 0 2 30h 32h Tuesday 0 3 30h 33h Wednesday PO t 4 30h 34h Thursday MOTOS 30h Sony Friday 0 6 30h 36h Saturday HH Hours 0 0 30h 30h U 1 7 31h 37h 23 17h MN Minutes 0 0 30h 30h U 3 B 33h 42h 59 3Bh DS Daylight saving Summer time 0T 0r 30n 30h NO V LA R 30hm 31h
31. day bit 5 Saturday pit 0 Sunday EX Ot 1 30h 318 Monday O 4 30h 34h Wednesday O F 30h 46h Monday Tuesday Wednesday and Thursday fT TET 37h 46h Monday to Sunday FL Option bit 0 Everyday bit 1 Every week bit 2 Schedule Disable Enable When bitO and bitl are 1 it behaves as Everyday EX Po schedule Disable o Schedule Disable Once Follow WD Week setting o Everyday Everyweek Follow WD Week setting PO Everyday ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 30 92 oe aE 10 2 Schedule Write This command is used in order to write the setting of the Schedule 1 The controller requests the monitor to write Schedule Check code SL XH tC tat ZS 1 Y 4 3 PG ON HOURS 0N MIN OFF HOURS OFF Min INPUT WD FL ETX Header SOH Olh Start Of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion If it is a broad cast command only set command is available then the X 2Ah should be applied O 30h Message sender is the controller A 41h Message type is Command 1 6 31h 36h Message length Message STX 02h Start of
32. der Q 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply 1 6 31h 36h Message length Message STX 02h Start of Message C 3 1 3 43h 33h 31h 33h Schedule read reply command PG ON HOURS ON MIN OFF HOURS OFF MIN INPUT WD FL Schedule data PG Program No 0 0 30h 30h Program No 1 0 6 30h 36h Program No 7 ON_HOUR Turn on time hour 0 0 30h 30h 00 1 7 31h 37h 23 17h 1 8 31h 38h ON timer isn t set ON_MIN Turn on time minute YON aa SOs U 29 32 oe SEE Changes fer the Better 3 B 33h 42h 59 3 C 33h 43h On timer isn t set OFF_HOUR Turn off time hour 0 0 30h 30h 00 1 7 31h 37h 23 17h 1 8 31h 38h Off timer isn t set OFF_MIN Turn off time minute 0 0 30h 30h U 3 B 33h 42h 59 3Bh 3 C 33h 43h Off timer isn t set INPUT Timer input PO l O S0ny SOnys BES DVI D 07st 30h Sih Z RGB D SUB LUTT 30h 32h RGBS BNC O 3 30h 33h Reserved VOT 30h 34h DVD AD LU Taa ST S0hy 399 VIDEO TU Te TE 30h 36h VIDEO S 0 7 30h 37h It is operates by last memory input WD Week setting bit 0 Monday bit 1 Tuesday bit 2 Wednesday bit 3 Thursday bit 4 Fri
33. ent as Broadcast then no reply Should be sent back check code SOH 0 0 A B N N SIX CIT n Data 0 Data 1 Data n Header SOH Olh Start Of Header O 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply N N Message length Note The maximum data length that can be written to the monitor at atime is 32bytes Ex The byte data 20h is encoded as ASCII characters 2 and 0 32h and 30h Message STX 02h Start of Message Otet gtt ero 41h 33h sln 30h Serial No reply command Data 0 Data l1 Data n Serial Number gt The data must be ASCII characters strings ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 36 52 Changes fer the Berjer 12 2 Model Name Read This command is used in order to read the Model Name 1 The controller requests the monitor to read Model Name check code OCTET ee Header SOH Olh Start Of Header O 30h Reserved TA 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the cont
34. eplies with a message for confirmation If command is sent as Broadcast then no reply should be sent back Header Message Check code Delimiter STX 0 0 0 0 1 0 0 0 0 0 6 4 10 0 51 10 ETX Header SOH Olh Start Of Header Q 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah F 46h Message Type is Set parameter reply 2T 2 31h 32h Message length is 18 bytes Message STX 02h Start of Message 0 0 30h 30h Result code No error O 0 30h 30h Operation code page number is 0 rL 0 3h 30h Operation code is 10h in the page 0 13754 oe aE Changes fer the Better O O 30h 30h This operation is Set parameter type O 0 6 4 30h 30h 36h 34h Brightness max value is 100 0064h O O0 5 0 30h 30h 35h 30h Received a Brightness setting was 80 0050h as 80 ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet gt Repeat Step 1 and Step 2 if you need to check the Brightness setting Recommended Step 5 Request the monitor to store the Brightness setting Save Current Settings Command Check code Te ace Header SOH Olh Start Of Header O 30h Reserved A 41h Mo
35. erved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z which is corresponding to monitor ID from Nol to No 26 should be set to this portion a broad cast command only set command is available then the 5Ah If it is rar 2Ah should be applied O 30h Message sender is the controller A 41h Message type is Command N N Message length Note The maximum data length that can be written to the monitor at atime is 32bytes Ex The byte data 20h is encoded as ASCII characters 2 and 0 32h and 30h Message STX 02h Start of Message C O O EK 43h 30h 30 45h Asset Data writes command O O Offset address from top of Asset data 00h Write data from top of the Asset data area Dat aU DataN Asset data The data must be ASCII characters strings ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies a data for confirmation If command is sent as Broadcast then no reply Should be sent back check code SOH 0 0 A B N N SiH 0 Oe St CS Sa at ee i ea oe Header SOH Olh Start Of Header OT 10 rA Message receiver is the controller 30h Reserved Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B
36. h 41h Message length is 10 bytes Message STX 02h Start of Message 18 92 Changes fer the Bester O 2 30h 32h Operation code page number is 02h 7 8 37h 38h Operation code is 78h on page 2 LD Te KD Eaa TUD aah E 30h 30h 30h Sih Select the temperature Sensor 1 01h 00h No meaning Olh Sensor 1 02h Sensor 2 ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet Step 2 The monitor replies for confirmation check code FG STX 0 0 0 2 7 8 0 0 0 0 0 2 10 0 0 1 ETX Header SOH Olh Start of Header 0 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah F 46h Message Type is Set parameter reply 2T 2 30h 32h Message length is 18 bytes Message STX 02h Start of Message rOf 0 30h 30h Result code No error O 2 30h 32h Operation code page number is 02h 7 8 37h 38h Operation code is 78h in the page 2 O O 30h 30h This operation is Set parameter type O O O0 2 30h 30h 30h 32h Number of temperature sensors 2 0002h VU Te T Daa Uae hE 30h 30h 30h 31h 4 temperature sensor is fl ETX 03h End of Message Check code BCC Block Check Code Refer to
37. ing on the condition during changing of the input signal etc Example Turn the power ON is for ASCII code sending commands Status code from Meanin from the PC LCD monitor g 40 30 21 0D command for D o TAO POWER ON 30 30 21 0D Command received o o r oy Command echoed back 3 52 Changes fer the Berjer 3 Operation commands The operation commands execute the basic operation setting of this LCD monitor It may not operate when changing the signal Operation POWER ON POWER OFF INPUT DVI D INPUT D SUB INPUT BNC INPUT VIDEO INPUT YPbPr INPUT S VIDEO e POWER OFF command should be operated over 1 minute after the power is turned on e POWER ON command should be operated over 1 minute after the power is turned off S VIDEO is SEPARATE only 4 Read command Host computer sends the command without Data code to monitor After receiving this command the monitor returns the command with Data code of current status to host computer lt ex gt When Host computer ask Power status of monitor the status of monitor is powered on Command fram Monitor Datail of command 3030765000 o ov P emer lAa about the power status of monitor Structure of the Read command ASCII K a E T E o e EE a o S Input YP b Pr 76 49 76 32 S VIDEO 76 49 76 33 Picture mode HIGHBRIGHT 76 4D 7031 STANDARD PVM ph 76 4D 70 32 Around resolution of Internal board monitor Around resolution PCB 4 32 oe
38. ion code table for each item OP code data must be encoded to ASCII characters Ex The byte data 3Ah must be encoded to ASCII characters 3 and A 33h and 41h OP code 3Ah gt OP code Hi ASCII 3 33h OP code Lo ASCII A 41h Refer to Operation code table 6 byte ETX End of Message ASCII ETX 03h 5 2 Get parameter reply OP code page ee ee ee ee eee ee ee E ps pe LDT422V replies with a current value and the status of the requested item operation code 1 byte STX Start of Message ASCII STX 02h 2 3 bytes Result code These bytes indicate a result of the requested commands as follows 11 52 oe Se Changes fer the Better QUZ No Errors Olh Unsupported operation with this monitor or unsupported operation under current condition This result code from the monitor is encoded to ASCII characters Ex The byte data 01h is encoded to ASCII character 0 and 1 30h and 31h 4 r_5 hvtes OP code page Operation code page These bytes indicate a replying item s OP code page This returned value from the monitor is encoded to ASCII characters Ex The byte data 02h is encoded to ASCII character 0 and 2 30h and 32h Refer to the operation codes table 6 T pyres OP code Operation code These bytes indicate a replying item s OP code This returned value from the monitor is encoded to ASCII characters Refer to the operation code table Ex The byte data 1Ah is encoded to A
39. nd bitl are 1 it behaves as Everyday EX T 30h 30h i Po Schedule Disable Po Everyday Everyweek Follow WD Week setting PO Everyday ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies a data for confirmation If command is sent as Broadcast then no reply should be sent back Header Check code R DOH Sta UO ee Bet Leto See eo eet Aa SiePG Ol HOURS ON C MIN OFF HOURS OFF Min NPUT WD FL ETX SOH Olh Start Of Header O 30h Reserved O 30h Message receiver is the controller AY 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply 1 8 31h 38h Message length Message STX 02h Start of Message C 3 1 4 43h 33h 31h 34h Schedule writes reply command ST Schedule Status command 0 30h No error 1 31h Error PG ON HOURS ON MIN OFF HOURS OFF Min NPUT WD FL Schedule data PG Program No 0 0 30h 30h Program No 1 32 52 oe SEE Changes fer the Better 0 6 30h 36h Program No 7 ON_HOUR Turn on time hour 0 0 30h 30h 00 1 7 31h 37h 23 17h 1 8 31h 38h ON timer isn t set ON_MIN Turn on time minute 0 0 30h 30h U 3 B 33h 42h 59 3 C 33h 43h On timer
40. nitor ID If the command should be sent to certain monitor only the either of character A 41h to Z which is corresponding to monitor ID from Nol to No 26 should be set to this portion a broad cast command only set command is available then the O 30h Message sender is the controller A 41h Message type is Command O 4 30h 34h Message length is 4 bytes 5Ah If it is TXT 2Ah should be applied Message STX 02h Start of Message O C 30h 43h Command code is UCh as Save current settings ETX 03h End of Message Check code BCC Block Cheek Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 6 2 How to read the measurement value of the built in temperature sensors LDT422V has two built in temperature sensors The controller can monitor inside temperatures by using those sensors through RS 232C The following shows the procedure for reading the temperatures from the sensors Step 1 Select a temperature sensor which you want to read check code Header SOH Olh Start of Header O 30h Reserved A 41h Monitor ID If the command should be sent to certain monitor only the either of character A 41h to Z T 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion O 30h Message sender is the controller E 45h Message Type is Set parameter command O A 30
41. roller A 41h Message type is Command O 6 30h 36h Message length Message STX 02h Start of Message C 2 1 7 43h 32h 31h 37h Model Name command ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 2 The monitor replies a data for confirmation If command is sent as Broadcast then no reply Should be sent back Check code SOH 0 0 A B N N STX C 3 1 7 Data 0 Data 1 Data n ETX Header SOH Olh Start Of Header 0 30h Reserved O 30h Message receiver is the controller A 41h Monitor ID This portion should depend on the monitor ID of Monitor A 41h 2 5Ah B 42h Message type is Command reply N N Message length Note The maximum data length that can be written to the monitor at a time is 32bytes Ex The byte data 20h is encoded as ASCII characters 2 and 0 32h and 30h Message STX 02h Start of Message C 3 1 7 41h 33h 31h 37h Model Name reply Command Data 0O Data 1l Data n Model name gt The data must be ASCII characters strings ETX 03h End of Message Check code BCC Block Check Code Refer to the section 4 5 Check code for a BCC calculation Delimiter CR ODh End of packet 31 92 oe aE Changes fer the Beater Appendix A Operation Code OP code Table Item
42. sition Power On Delay Gamma Selection Tiling Monitor ID Clock Clock Phase Zoom H Resolution V Resolution ea S por tp gt Send OD 30h 44h as Save current settings quick command gt Complete Save Current setting command packet as follows 14 52 Changes fer the Bester ASCII Olh 30h 41h 30h 41h 30h 34h 02h 30h 44h 03n CHK 0Dh SOH 0 A 0 A 0 4 STX 0 D ETX CHK CR The monitor replies the packet for confirmation as follows SOA Ota t tet Bt a Ola e ka Oat Oe he Do ar X 6 lt 1 CR 5 5 2 Get Timing Report and Timing reply The controller reguests the monitor to report the displayed image timing Command code gt Send 07 30h 37h as Get Timing Report command gt Complete Get Timing Report command packet as follows The destination A monitor ID of 1 is only an example It should be changed according to the target monitor ID ASCIL Oln 30h 41n s0h 41h 30h 34h 02n 30h 37h 03h CHK 0Dh DOR eS fet eat tate te ao ea ahah CR The monitor replies status as the following format ost Sommang Se a I T gt a ve em to we gt ie gt mss 15 SS Timing status byte Bit 7 1 Sync Frequency is out of range Bit 6 1 Unstable count Bit 5 2 Reserved Don t care Bit 1 1 Positive Horizontal sync polarity O Negative Horizontal sync polarity Bit U 1 Positive Vertical sync polarity O Negative Vertical sync polarity gt
43. sition figure Monitor The controller sends a command to get a value from the monitor that you want to change with the current value of the requested The monitor replies item The controller sends commands to set an adjusted value The monitor replies to the controller for confirmation The controller sends a command to get a value for confirmation with an The monitor replies adjusted value The controller requests to store the adjusted value tothe monitor oe SE Changes fer the Bester 4 1 Header block format fixed length 1 byte SOH Start of Header ASCII SOH 01h 2 byte Reserved Reserved for future extensions LDT422V must be ASCII 0 30h 3 byte Destination Destination equipment ID Receiver Specify a command s receiver s address If the command should be sent to certain monitor only the either of character A 41h to Z 5Ah which is corresponding to monitor ID from Nol to No 26 should be set to this portion If it is a broad cast command only set command is available then the 2Ah should be applied 4byte Source Source equipment ID Sender Specify a sender address The controller must be 0 30h 5 byte Message Type Case sensitive Refer to section 4 2 Message block format for more details ASCII A 41h Command ASCII B 42h Command reply ASCII C 43h Get current parameter from a monitor ASCII
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