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ABC Office DC-2 - page 1
Lexico n, Inc . DC- 2/MC- 1 Serial Com m uni cation s Protocol Printe d on: 10/19/ 00 1 of 44 Serial Comm unicat i ons P r ot ocol Definition Project: DC-2/MC-1 Updated: May 15,2000 Major rev 0 Minor rev 5 Lexico n, Inc . 3 Oak Park Bedford, MA 01730-1441 (781) 280-0300 ...
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ABC Office DC-2 - page 2
Lexico n, Inc . DC- 2/MC- 1 Serial Com m uni cation s Protocol Printe d on: 10/19/ 00 2 of 44 1D o c u m e n t s 4 2 Definitions 4 3 Abbreviations 4 4 General Description 4 5 Physical Layer 5 5.1 DB-9 R S232 Con nector 5 5.2 Serial Port Driver 5 5.3 Errors 6 5.4 DC-2/MC- 1 Receive Buf fer 6 5.5 DC-2/MC- 1 Hardw are Verification 6 6 Data Lin k L aye ...
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ABC Office DC-2 - page 3
Lexico n, Inc . DC- 2/MC- 1 Serial Com m uni cation s Protocol Printe d on: 10/19/ 00 3 of 44 7.3.26 Set C ust om N am e 28 7.3.27 Set In put Nam e by Id 29 7.3.28 Set FPD C ontrol R egis ters 30 7.3.29 Host Wak eup 30 7.3.30 Host Sl eep 31 7.3 .31 Get Co mm unicatio n Configura tion 31 7.3 .32 Se t Communication Co nfigurati o n 32 7.3.33 Set Mu t ...
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ABC Office DC-2 - page 4
Lexico n, Inc . DC- 2/MC- 1 Serial Com m uni cation s Protocol Printe d on: 10/19/ 00 4 of 44 1 Documents The following documents shou ld also be used with this docum ent to understand how this protocol can be used w ith a DC-2/MC-1. 070-13227 MANUAL,OWNER'S,DC2 070-13278 MANUAL,OWNER'S,MC1 2 Definitions Sys tem Param eter: A us er change ...
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ABC Office DC-2 - page 5
Lexico n, Inc . DC- 2/MC- 1 Serial Com m uni cation s Protocol Printe d on: 10/19/ 00 5 of 44 The DC-2/MC-1 u ses si mple n otification, com m and, respons e and ackn owl edgm ent packets to h ave communicatio n transa ctions with a gi ven HOST . T his pr o toco l is de signed fo r po i nt to p o int comm u nication betw een a HO ST and DC- 2/MC-1. ...
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ABC Office DC-2 - page 6
Lexico n, Inc . DC- 2/MC- 1 Serial Com m uni cation s Protocol Printe d on: 10/19/ 00 6 of 44 5.3 E rrors The DC-2/MC-1 w ill detect parity, fram ing and data overrun errors. If an error is detected by the DC- 2/MC-1, the DC-2/MC-1 w ill transm it an NAK packet w ith a error code o f: DC_ERR_ PARTIY, DC_ERR_FRA ME, DC_ER R_OVER, correspondin g to t ...
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ABC Office DC-2 - page 7
Lexico n, Inc . DC- 2/MC- 1 Serial Com m uni cation s Protocol Printe d on: 10/19/ 00 7 of 44 Data Link Header: By te Number Description Value First Byte(0) Start of Pack et(SOP) 0xF1 By te(1) DLL Data Count nn A pplication Header: By te(2) Com mand nn By te(3) APP Data Count(num ber of application data bytes to Follow) nn A pplication Data: By te( ...
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ABC Office DC-2 - page 8
Lexico n, Inc . DC- 2/MC- 1 Serial Com m uni cation s Protocol Printe d on: 10/19/ 00 8 of 44 7.1.1.2 Host Response Expected Following th e transm ission of the Wakeup notification DC-2/MC-1 w ill w ait for an AC K. 7.1.1.2.1 Actions to Response Codes ACK DC-2/MC-1 continues to operate. NAK Error Code DC-2/MC-1 w ill retransm it the Wakeup Notifica ...
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ABC Office DC-2 - page 9
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 9 of 44 The DC-2/MC-1 in cludes 8 custom characters that are def ined to display increm ents of a display block. (i.e. Volum e B ar) T he cust om ch aracters are ASCII character codes 08 - 0F(hex ). The codes are used as follows: '08' - left 1 bar '09 ...
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ABC Office DC-2 - page 10
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 10 of 44 Zone 2 Balanc e Z2_BAL Zone 2 Mu te Z2_MUTE Bass BA SS Tre ble TR EBL E Loudness LOUDNESS Tilt T ILT Menu Backgroun d On/Off MENU_BKGND The parameter definitions for each of these param eters can be ob tained by queryin g the DC-2/MC- 1 with the DC _CMD_GET ...
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ABC Office DC-2 - page 11
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 11 of 44 7.3 Host Initiated Command Packets The DC-2/M C-1 s erial com muni cation protocol has been designed to respon d to the follow ing com mands as described belo w . Each command is transm itted to the DC-2/MC-1 with th e identified parameters. If the comm and ...
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ABC Office DC-2 - page 12
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 12 of 44 7.3.3.3 DC- 2/MC-1 Response The KeyCode is processed as a valid IR cod e . No acknow ledgment w ill be sent from DC-2/MC-1. 7.3.3.4 Dat a Validation The KeyCode data will be verif ied as a legal IR code. If the Code is not valid the DC-2/MC-1 w ill not resp ...
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ABC Office DC-2 - page 13
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 13 of 44 7.3.4.3 Dat a Description ProductId: This un signed 8 bit valu e describes the product . Product ID Lexicon Dc- 2 1 Lexicon MC-1 2 JBL Synthesis SDP-3 3 Software T ype: An unsigned 8 bit val ue indic ating the c urrent configur a tion o f the unit’s softw ...
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ABC Office DC-2 - page 14
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 14 of 44 TimeStam p: Is a null term inated ASCII text string describing th e b uild date and time of the current ROM. The Format of this text string is: “yy/ mm/d d( sp ) hh: mm” yy - is th e last t w o digits of the year (i .e. year 1999 = 99, year 2000 = 00) m ...
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ABC Office DC-2 - page 15
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 15 of 44 Data Type: Unsigned 8 bit integer. Maxim um Value: Set by “Total Number of Ef fects” in the “Unit Config uratio n” Packet. Current Input Sam ple Rate Data Type: Unsigned 8 bit integer. SA M PLE RA TE RATE_UNKNOW N 0 RATE_44 1 RATE_48 2 RATE_88 3 RAT ...
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ABC Office DC-2 - page 16
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 16 of 44 A p plication Header: Comm and DC_CMD_GET_REC_ST ATUS 0x17 Data Count 0 0x00 A pplication Data: N/A 7.3.6.2 Record/Zone2 Stat us Response Pack et A p plication Header: Comm and DC_RESP_REC_ZONE2_ST ATUS 0x82 Data Count 5 0x05 A pplication Data: Data[0] Zone ...
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ABC Office DC-2 - page 17
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 17 of 44 Max: Set by the Sy stem Parameter Count in th e “Unit Configuration Packet”. 7.3.7.3 Dat a Validation: The ParamId must be a valid param eter num b e r. If it is not the DC-2/MC-1 will respond w ith a NAK packet and error code DC_ERR_ INVALID_PARAM_NUMB ...
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ABC Office DC-2 - page 18
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 18 of 44 7.3.8 Get Sy stem Parameter Values Request to DC-2/MC-1 for all current sy stem parameter values. DC- 2/MC-1 will respond w ith the “Sys tem Parameter Values Packet”. 7.3.8.1 Command Pack et Descr iption A p plication Header: Comm and DC_CMD_GET_SYS_PAR ...
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ABC Office DC-2 - page 19
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 19 of 44 A p plication Header: Comm and DC_RESP_EFFECT_DEF 0x85 Data Count 2 + strlen(Ef fectNam e) + 1 nn A pplication Data: Data[0] Effec tId nn Data[1] MaxParam eters nn Data[2]- Data[DataCount-1] Effec tName ch ch ch … 0x00 7.3.9.5 Dat a Description EffectId: ...
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ABC Office DC-2 - page 20
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 20 of 44 7.3.10.5 Dat a Description EffectId: Data Type: Unsigned 8 bit integer. Max: Set by the Ef fect Count in th e “Unit Configuration Packet”. Param Id: Data Type: Unsigned 8 bit integer. Max: Set by the Param eter Co unt in the “Effect Definition Packet? ...
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ABC Office DC-2 - page 21
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 21 of 44 A p plication Header: Comm and DC_RESP_EFFECT_PARAM_VALUES 0x87 Data Count 1 + Eff ectParam Count nn A pplication Data: Data[0] Effec tId nn Data[1] eff ect_param _value[0] nn Data[…] eff ect_param _value[…] nn Data[DataCount-1] eff ect_param _value[Eff ...
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ABC Office DC-2 - page 22
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 22 of 44 A p plication Header: Comm and DC_CMD_GET_INPUT _NAME 0x2D Data Count 1 0x01 A pplication Data: Data[0] InputId nn 7.3.13.2 Dat a Description Input Id: Data Type: Unsigned 8 bit Integer Max Value: 7 Conv ersion : Input Id are defin ed in A ppendix D Inpu t ...
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ABC Office DC-2 - page 23
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 23 of 44 A p plication Header: Comm and DC_RESP_FPD_CONTROL 0x88 Data Count 4 0X04 A pplication Data: Data[0] FPD_CtrlReg0 nn Data[1] FPD_CtrlReg1 nn Data[2] FPD_CtrlReg2 nn Data[4] FPD_MinUpdate nn 7.3.14.3 Dat a Description FPD_ CtrlReg0 : BitP ack as d efined in ...
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ABC Office DC-2 - page 24
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 24 of 44 7.3.16.1 Command Pack et Descr iption A p plication Header: Comm and DC_CMD_SET_EFFECT _PARAM_VALUES 0x1F Data Count EFFECT_CO UNT[Eff ectId] + 1 nn A pplication Data: Data[0] Effec tId nn Data[1] eff ect_param _value[0] nn Data[…] eff ect_param _value[? ...
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ABC Office DC-2 - page 25
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 25 of 44 The Effect Id mu st b e a valid Effect Id. If it is not the DC-2/MC-1 w ill respond with a NAK packet an d error code DC_E RR_ INVAL ID_EFFECT_ I D. If an in valid string is passed, DC-2/MC-1 will ignore the comm and and transm it a DC_NAK com man d with an ...
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ABC Office DC-2 - page 26
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 26 of 44 If a value is passed that exceeds the m aximum value of that parameter the DC- 2 /MC-1 will ignore the comm and and transm it a DC_NAK com man d with an error code DC _INVALID_DA T A. 7.3.20 Set Front/Back Balance Comm ands DC-2/MC-1 to set the front/back b ...
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ABC Office DC-2 - page 27
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 27 of 44 7.3.22 Set Record/Zone2 Input Sets the Record/Zone 2 input. If Record/Zone2 w as inactive, this comm and will set the input then activate the Record/Z one 2 fu nction. 7.3.22.1 Command Pack et Descr iption A p plication Header: Comm and DC_CMD_SET_REC_INPUT ...
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ABC Office DC-2 - page 28
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 28 of 44 7.3.24 Set Zone2 Volume Comm a nds DC-2/MC-1 to set the system volum e with the valu e in this packet. 7.3.24.1 Command Pack et Descr iption A p plication Header: Comm and DC_CMD_SET _ZONE2_VOLUME 0x27 Data Count 1 0x01 A pplication Data: Data[0] Value nn 7 ...
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ABC Office DC-2 - page 29
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 29 of 44 7.3.26.1 Pack et Descript ion A p plication Header: Comm and DC_CMD_SET_CUST_NAME 0x 2C Data Count 1 + strlen(Cus tomNam e) + 1 nn A pplication Data: Data[0] Custom Nam eEnable nn Data[1]-Data[DataCount-1] Custom Name c h ch ch … 0x00 7.3.26.2 Dat a Descr ...
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ABC Office DC-2 - page 30
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 30 of 44 The InputId must be a v alid Input Id. If it is not the DC-2/MC- 1 will respond w ith a NAK packet and error code DC_ERR_ INVA LID_INPUT _ID. If the Inpu tName string exceeds the INPUT_NAME _LENGTH, the DC-2/MC-1 w ill ignore the comm and and transmit a DC_ ...
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ABC Office DC-2 - page 31
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 31 of 44 7.3.30 Host Sleep By transm itting the Sleep comm a nd, the Host indicates it has just “powered down” and w ill no longer respond to DC-2/MC-1 Notifications. No Acknow ledgment is expected. 7.3.30.1 Pack et Descript ion A p plication Header: Comm and HO ...
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ABC Office DC-2 - page 32
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 32 of 44 LED Ackn owledge En able: TRUE Indicates the DC-2/MC-1 w ill light the g reen standby L ED to indicate the DC- 2 /MC-1 is receiving data on the RS 232 serial port, and w ill light the Red Ov erload LED to indicate the Dc- 2/MC-1 is trans mitting data on th ...
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ABC Office DC-2 - page 33
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 33 of 44 A p plication Header: Comm and DC_CMD_SET_MUT E 0x31 Data Count 1 0x01 A pplication Data: Data[0] Mute State nn 7.3.33.2 Dat a Description MUTE State: Value Definition 0 UNMUTE The user m ute state is s et to unm uted. The DC-2/MC-1 m ay still be muted for ...
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ABC Office DC-2 - page 34
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 34 of 44 Speaker Id # Center 0 Subwoofer 1 Front Left 2 Front Right 3 Side Left 4 Side Right 5 Rear Left 6 Rear Right 7 7.3.34.3 DC- 2/MC-1 Response The output ID w ill be verified for validity . T he output adjustm ent w ill be range checked. The Output Id mu st be ...
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ABC Office DC-2 - page 35
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 35 of 44 The display string is sent to the OSD and Front Panel Displays . The DC-2/MC-1 will A CK w hen com pleted with this command. 7.3.35.4 Dat a Validation: If a string len gth exceeds the 40 character maxim um the strin g will be truncated before displayin g an ...
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ABC Office DC-2 - page 36
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 36 of 44 Responses DC_RESP_UNIT_CONF IG 0x80 DC_RESP_SYS_STATUS 0x 81 DC_RESP_REC_ZONE2_ST ATUS 0x82 DC_RESP_SYS_PARAM_DEF 0x83 DC_RESP_SYS_PARAM_VALUES 0x84 DC_RESP_EFFECT _DEF 0x85 DC_RESP_EFFECT _PARAM_DEF 0x86 DC_RESP_EFFECT _PARAM_VALUES 0x87 DC_RESP_FPD_CTRL_S ...
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ABC Office DC-2 - page 37
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 37 of 44 10 Appendix B Error Codes Error Code( Hex) NO_ACK 0x00 DC_NO_ERROR 0x01 DC_ERR_PARITY 0x02 DC_ERR_FRAMING 0x03 DC_ERR_OVERRUN 0x04 DC_ERR_INVALID_PACKET 0x05 DC_ERR_TIME_OUT 0x06 DC_ERR_BUFFER_FULL 0x07 DC_INVALID_COUNT 0x10 DC_INVALID_CMD 0x11 DC_INVALID_D ...
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ABC Office DC-2 - page 38
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 38 of 44 11 Appendix C DC-2/MC-1 IR-Codes Function Hex Code Shift Functions Hex Code Rec Function Hex Code Off 19 T rigger Off 99 Zone- 2: Off 59 On 18 T rigger On 98 Z one-2: On 58 OSD Of f 02 Menu Back Off 82 Res erved 42 FrontPanel Of f 03 reser ved 83 Res erved ...
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ABC Office DC-2 - page 39
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 39 of 44 12 Appendix D Input Id’s Input Name Input Id Tape 0 Tuner 1 Cd 2 Aux 3 TV 4 V-Disc 5 DVD 6 VCR 7 13 Appendix E Protocol Constants Constant Value(Dec) Uni ts FPD_LINE_LENGT H 20 Chars PARAM_NAME_LENGTH 20 Chars EFFECT_NAME_LENG TH 13 Chars CUSTOM_NAME_LENG ...
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ABC Office DC-2 - page 40
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 40 of 44 14 Appendix F FPD Control Registers Control Reg 0 Bit USER_MSG 0 REC_BLOCK_MSG 1 SYS_VOL_MSG 2 LOCKED_MSG 3 DIG_IN_N OLOCK_MS G 4 SPEAKER_ERR_MSG 5 LR_BALANCE_MSG 6 FB_BALANCE_MSG 7 Control Reg 1 Bit SYS_MUTE_MSG 0 EQ_BASS_MSG 1 EQ_T REBLE_MSG 2 EQ_T ILT_MS ...
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ABC Office DC-2 - page 41
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 41 of 44 15.2 Getting Sy stem W ide Status and Setup: In order for the HOST to save a complete DC-2/MC-1 system setup it must issue several com mands to learn the sy stem conf iguration an d then proceed to get all the data that m ust be saved for th e complete sy s ...
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ABC Office DC-2 - page 42
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 42 of 44 15.5 Examples: The following exam ples show th e byte’s transm itted for the Get Unit Config , Get Effect Defin itio n, and Set Input Nam e transacti ons. They are shown as they should be transmitted from left to right. 15.5.1 Get Unit Conf iguration The ...
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ABC Office DC-2 - page 43
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 43 of 44 15.5.2 Get Effect Definition Once we know ho w many effects the DC-2/MC-1 has resident we can then start to step thro ugh each effect for its definition. T hi s is done by sending a GET_EFFECT comman d packet: SOP DLL DC CMD App DC DAT A0 EOP Effe ctI d F1 ...
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ABC Office DC-2 - page 44
Lexico n, Inc . DC- 2/MC- 1 Serial Com muni cations Protocol Printe d on: 10/19/ 00 44 of 44 SOP DLL DC CMD App DC DAT A0 EOP Cmd F1 04 E0 01 2E F2 Because the DC -2/MC-1 receiv ed and processed the com man d successfully the DC-2/MC- 1 responds w ith the DC_A CK packet. Here we s ee that the ACK packet is respondin g to the DC_C MD_SET_INPUT_NAME ...
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