Manual CM6ST
Contents
1. gt 3P T I l CONCEPT1 RS232 COMMUNICATION Concept 1 RS 232 Communication Communication with Concept 1 via RS 232 is done with simple ASCII Commands and Replies The port settings are 19200Baud 8bits no parity and 1 stop bit The physical connection is as described in the figure below 0000o 6009090 Pin 2 TX data data transmission output Pin 3 RX data data reception input Pin 5 GND ground Other pins are not used An instruction has at least a command and an attribute In many cases there are extra values needed like a zone or a value Please make sure that you re familiar with the 3 modes stereo 2 zone linked and 2 zone unlinked of the Concept 1 because in some commands there needs to be a zone specified depending on the mode From here we assume that the 3 modes are clear and understood If not please read the user manual first Instructions always have to be ended with lt CR gt carriage return Line feed lt LF gt characters will always be omitted however Concept 1 can use and echo lt LF gt after a lt CR gt Instructions are not case sensitive Commands The 4 possible commands are SET GET INC and DEC With the INC and DEC command a step value can be specified This needs to be a positive number between 1 and 10 A step value bigger than 10 will be set to 10 If no value is specified default value 1 will be used Example the music volume is 502. be OFF ONor0 1 The mode of Concept 1 is determined by MULTIZONE and ZONELINK If MULTIZONE is OFF the amplifier is working in stereo mode If MULTIZONE is ON the amplifier will work in 2 zone mode If ZONELINK is ON the music level of zone 1 and zone 2 are linked Otherwise when ZONELINK is OFF the 2 zones have a separate volume setting Since these 2 commands change the behavior of the amplifier it s recommended only to change them when the amplifier is not in action no music present volume at minimum If the amplifier needs to be configured in another mode these are the first settings that need to be changed WWW APART AUDIO COM gt arc I CONCEPT1 RS232 COMMUNICATION Operating Settings MSCLVL is the music level It can be OFF or a value between 79 and O If set at 80 it will be OFF If both MULTIZONE and ZONELINK are ON the corresponding zone needs to be specified MICLVL is the microphone level It can be OFF or a value between 79 and O If set at 80 it will be OFF If MULTIZONE is ON the corresponding zone needs to be specified MAXMSCLVL is the maximum music level If the music level is adjusted above the maximum it will be changed to the maximum value In case both MULTIZONE and ZONELINK are ON there still are 2 different values possible for zone 1 and zone 2 The difference between those 2 levels will determine the offset between the volumes
3. and the following instruction will be given INC MSCLVL lt CR gt The music level now will be 49 Now the next instruction is given DEC MSCLVL 8 lt CR gt The music level now is 57 WWW APART AUDIO COM INFO APART AUDIO COM CIDADE Overview of Attributes CONCEPT1 RS232 COMMUNICATION Attribute Description Commands Zone Value MULTIZONE j Multi Zone GET SET No Binary ZONELINK Zone Link MSCLVL Music Level 1 MICIVL Microphone Level GET SET OFF 80 MAXMSCLVL Maximum Music Level INC DEC 2 79 to 0 MAXMICLVL Maximum Mic Level Kat SELECT Source Selection cETSET No or D No EQBASS Equalizer Bass GET SET 14 to 14 EOTREB Equalizer Treble No STANDBY Standby GET SET No Binary Loudness No AUTOLD Auto GET SET Binary PAGACT Paging Active 2 IPGAIN Input Gain GET SET No 20 to 14 ECHO Echo LF Line feed GET SET No Binary BS Back Space HEADER Header VALEB Value Feedback GET SET No Binary INFO Info GET SOURCENAME Source Name GET SET No lt String gt SERIAL Serial Number HWVRSN Hardware Version Number GET No SWVRSN Software Version Number RESTORE Restore Factory Settings SET No Binary The column Value describes what range of values need to be given with the SET command Value Binary can Mode
4. of both zones The maximum difference in this mode is 40 Example SET MAXMSCLVL ZONE1 16 lt CR gt SET MAXMSCLVL ZONE2 10 lt CR gt Now the volume can be adjusted between OFF and 10 The level in zone 1 will always be 6 dB lower than the level in zone 2 MAXMICLVL is the maximum microphone level If the microphone level is adjusted above the maximum it will be changed to the maximum value SELECT is the source selection The source selection in both zones is always the same so it s never needed to specify the zone Equalizer Also the equalizer settings are the same for both zones EQBASS sets the level of the bass EQTREB sets the level of the treble The value must be between 14 and 14 in steps of 2 If a different value is used it will get changed to the closest match Configuration Settings AUTOLD is Auto Loudness and this is only active in Stereo mode It will adjust the equalizer depending of the volume setting If the auto loudness is on the sound will still be more rich at low levels PAGACT is paging active If set on the microphone will only be on when there is a contact between pin A or B and the ground of the connector at the backside of the amplifier see user manual In that case the music will be muted as well The Concept 1 will also send PAGING ZONEx ON OFF lt CR gt when the contacts are closed opened so the user can know the status IPGAIN is input gain Each source input has its own gai
5. R gt Reply Command Executed lt CR gt Instruction get sourcename a lt CR gt Reply BGM3000 lt CR gt Version information The following attributes will only work with the GET command SERIAL will return the serial number a 4 digit hex number In case it s not programmed it will return Not Yet Implemented lt CR gt HWVRSN will return the hardware version number SWVRSN will return the hardware version number WWW APART AUDIO COM INFO APART AUDIO COM gt arc I CONCEPT1 RS232 COMMUNICATION Restore Factory Settings The factory settings can be restored with the following instruction SET RESTORE ON lt CR gt The Concept will reply with Please Cycle Power lt CR gt the output will be muted and the display will show RESET The user must power off and power on the amplifier During power on the factory settings will be restored Standby The amplifier can be set in Standby mode with the optional IR remote control or with the SET STANDBY ON instruction Leaving Standby mode can also be done with IR remote controller or the SET STANDBY OFF instruction If an RS 232 instruction is given when the amplifier is in Standby mode or during power on and the amplifier is not ready it will answer with STANDBY ON Please wait until the amplifier is operational Power down During power down all settings are stored in the memory of Concept1 After this a s
6. ery fast This doesn t mean there is something wrong with the amplifier WWW APART AUDIO COM INFO APART AUDIO COM
7. h the case for echoing as for messages send by Concept 1 Please take a look to following example in both cases the user sends the following string get msclvl lt CR gt With ECHO on and LF off this will be returned by Concept1 get msclvl lt CR gt MSCLVL 16 lt CR gt In case both ECHO and LF are on it will be like this get msclvl lt CR gt lt LF gt MSCLVL 16 lt CR gt lt LF gt BS is Back Space This is also an ASCII character In case BS and ECHO is on Concept 1 will reply lt BS gt lt SP gt lt BS gt each time when a lt BS gt is received lt SP gt is the space character This setting is only intended to have a nice text when used with programs like Hyperterminal With HEADER on each string both incoming as outgoing has to start with gt ASCII character 0x3E as header of the string This function works only when ECHO is OFF Please note that for the first replies after start up this function will not work correctly The reason for this is that the settings are loaded later Anyway this shouldn t be a problem If ECHO and LF are put off and HEADER is put on each string will start with gt ASCII character 0x3E and each string will end with lt CR gt ASCII character OxOD This can help in making the string handling easier Please don t forget that also instructions will have to begin with gt in this case Example with MULTIZONE and VALFB ON Instructio
8. n gt SET MICLVL ZONE1 35 lt CR gt Reply gt MICLVL ZONE1 35 lt CR gt WWW APART AUDIO COM INFO APART AUDIO COM qP ANN I L CONCEPT1 RS232 COMMUNICATION Status Update VALFB stands for Value Feed Back When this setting is on all value changes are sent autonomously by Concept 1 This way it s easy to keep the status synced Default VALFB is on IPGAIN and SOURCENAME are NOT sent when they are modified INFO can only be used with the GET command The GET INFO instruction is replied with the current status of most variables It will only work when VALFB is on IPGAIN and SOURCENAME is not sent after the GET INFO instruction but their status can also be requested with the GET command Below is an example of a reply after a GET INFO instruction in stereo mode The lt CR gt characters at the end of the line are not shown PAGING OFF MULTIZONE OFF PAGACT ON AUTOLD ON SELECT A MSCLVL OFF MICLVL OFF MAXMSCLVL 0 MAXMICLVL 0 EQBASS 0 EQTREB 0 Source Name With SOURCENAME it s possible to change or read the source name that s shown on the display of the Concept 1 There always has to be a source A B C or D specified The source name string itself is case sensitive and may contain space characters Example Instruction get sourcename a lt CR gt Reply Source A lt CR gt Instruction set sourcename a BGM3000 lt C
9. n setting so the source A B C or D needs to be specified The value can be between 20 and 14 in steps of 2 If an invalid value is used or no source is specified ERROR Value Invalid lt CR gt will be replied Otherwise the reply will be Command Exicuted lt CR gt ZONESPLIT is only used in MULTIZONE mode Default the zone split value is off which means that left and right of the sources will be mono summed in MULTIZONE mode Some users would like to have a different music in each zone by plugging different sources for left and right By setting ZONESPLIT on the left input will be sent to zone1 and right input to zone 2 like in stereo mode This way it s possible to have different music in each zone but please note that the source select will always impact both zones The ZONESPLIT feature is implemented starting from V1 0 2 WWW APART AUDIO COM INFO APART AUDIO COM gt arc I CONCEPT1 RS232 COMMUNICATION RS 232 Settings All RS 232 settings are binary values they can be ON or OFF If ECHO is on all received characters are echoed back This can be handy when programs like hyperterminal are used LF is Line Feed Line feed is an ASCII character Ox0A which is sometimes used to let the cursor jump to the next line Concept 1 always omits the line feed character However when LF is on there will be put lt LF gt character behind each lt CR gt character This is bot
10. tring POWER DOWN lt CR gt will be send Depending on how much variables that need to be stored possible there is not enough time to send this complete string Errors The following error strings may be sent by Concept1 ERROR Command Unknown lt CR gt Wrong spelling of command or command started with Back Space character ERROR Unknown Attribute lt CR gt Wrong spelling of attribute ERROR No Header lt CR gt When HEADER is on and ECHO is off each instruction must be started with header See RS 232 Settings ERROR Unknown Instruction lt CR gt Acommand was used with an attribute that does not support this E g SET SERIAL 0001 lt CR gt ERROR Value Invalid lt CR gt A value was out of range or illegal ERROR Zone Invalid lt CR gt No valid zone was specified Valid zone names are ZONE1 and ZONE2 without space between ZONE and its number ERROR AMPLIFIER PROTECT lt CR gt See user manual or appendix ERROR OVER TEMPERATURE lt CR gt See user Manual Appendix The instructions SET IPGAIN and SET SOURCENAME will write a value to the internal memory of the Concept1 When these instructions are given please wait for the reply or put a delay of at least 100ms after this instruction The amplifiers with Hardware Version number ACPT 1V04 could possible send ERROR AMPLIFIER PROTECT lt CR gt when they are powered off This is because the sense circuit of the amplifier reacts v
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