Manuals / Epson / Computer Equipment / Switch

Epson MFJ-1278B manual Normal CW

Models: MFJ-1278B

1 406

Download 406 pages 14.27 Kb

Page 402

MFJ-1278B MULTI-MODE

MANUAL INDEX

Monitoring, selected stations, 137

Monitoring, time stamping, 253

Monitoring, while connected, 46, 247

MSPeed, 73

Multiple packets, for 1200 baud, 134

N

NEC 8201, serial port interfacing, 9

NEC 8201, terminal program, 13

New lines, 35

Noise, cause of retransmissions, 45

NORMAL CW, 75

NRZ to NRZI encoder, 318

NRZ to NRZI encoder, clock, 318

NRZI encoding, 339

Null modem cable, 321

O

Operating modes, 316

Operation, Packet, VHF, 127

OSCAR operation, 328

OSCAR operation, full duplex, 232

Oscillator, 317

Oscillator, troubleshooting, 333

Outstanding packets, 245

P

packet mode, VHF, 42

Packet reception, troubleshooting, 335 Packet transmission, troubleshooting, 335 Packet, maximum length, 130, 263 Packet, protocol, 131

Packet, re-transmission, 276 Pactor Mailbox Entry, 67 Parameters lists, 311 parameters, $ hex designator, 174 Parameters, callsign, 174 Parameters, current value, 33 parameters, n designator, 174 Parameters, text, 174

Parity, 34

Image 402

Epson MFJ-1278B manual Normal CW

Contents

Table of Contents FSK Connection Getting Started Connect Slow Scan Television Operation Navtex OperationFAX Operation Advanced Packet Operation125 External Modem Interface Connector J14 MFJ-1278B SpecificationsMULTI-LEVEL Interface CONNECTOR,J13 HF Tuning IndicatorCommand Summary CW Modem TUNE-UP ProcedureBPS Packet Setup MFJ-1278B/1278BT Parts ListMFJ-1278B MULTI-MODE Table of Contents MFJ-1278B MULTI-MODE Introduction MFJ-1278B MULTI-MODE Introduction Items supplied with MFJ-1278B/MFJ-1278BT package MFJ-48BEMFJ-1278B MULTI-MODE Computer Interfacing MFJ Starter PacksSerial port signals required by MFJ-1278B Serial Port SignalsPin Signal Name Description Manufacturer ModelMacintosh MFJ-1278B Pin DB-25P DB-9P Computer with Specific Serial InterfacesApple Macintosh Hsko HskiCommodore C64, C128 and VIC-20 IBM PCjrIBM PC/XT/AT/386/486 and compatibles Computer Radio Shack Color ComputerColor Computers Color Computer DB-25POther Computers with Nonstandard Serial Ports MFJ-1278B RS-232C Computer RS-232CApple II, II+, IIe, IIc Compatibility TerminalMacTerm Parameters for MFJ-1278B IBM and Compatible Computers Pin # Mnemonic Name MFJ-1278B Serial Port PIN FunctionsRadio Shack Model 100/102 and NEC RS-232C Pin DesignationsComputer Baud Rate AutobaudChanging Terminal Baud Rate BbRAMLOAD with Defaults a MFJ ENTERPRISES, INC. Model MFJ-1278BPrinter Port Connection MFJ-1278B DB-25 Name Printer Port Pin #Printer Consideration Printer Port TestType Printtes CR MFJ-1278B MULTI-MODE Radio Interfacing MFJ-1278B Radio PortsRadio Connector Pin Diagram HT Special Keying Circuit Transmit Audio Level Adjustment for Method I Interface Method 1 Direct Connection to Microphone and SpeakerCalibra Setting the Receiver Audio Input Level Method 2 Accessory Jack or Interface Box Connection Accessory Jack InterfaceExternal Interface Box Transmit Audio Level Adjustment for Interface Method Receiver Audio Setting Important Note Harmonics InterferencePage MFJ-1278B MULTI-MODE Radio Interfacing CW Installation Keying ConnectionKey Paddle Connection MFJ-1278B MULTI-MODE Radio Interfacing FSK Connection FSK CableBasic Commands MFJ-1278B MULTI-MODE Basic Operation Getting StartedFirst Steps Mycall K5FLU Serial Port ConfigurationMFJ-1278B MULTI-MODE Basic Operation Mycall was Nocall cmdParity and Word Length EchosParity 1 or Parity New Lines and Line Wrapping Modem Modem Operation ModesAMTOR, Navtex VHF RTTY, VHF Ascii LOW Tone Hz High Tone Hz Shift HzMode Switching With the Mode Command MFJ-1278B MULTI-MODE Basic Operation Operational ModesVerifying Operation Status Radio Port Switching Memory BuffersBuffer Serial Numbering Loading the Memory BuffersTransmitting the Memory Buffers BUF1 The QTH here is Starkville, Mississippi. EnterBuftime 15 Enter Memory Repeat and Buffer Repeat TimeChaining the Memory Buffers Buftime toMFJ-1278B MULTI-MODE Basic Operation Tuning Indicator VHF Packet Connecting and Disconnecting ExerciseMFJ-1278B MULTI-MODE Basic Operation Packet Operation Cmd Fulldup on Cmd Connect K5FLUCmd Disconne DisconnectedCmd Connect N2WX VIA AD7I DigipeatingAD7I Cmd Connect N2WX VIA NK6K, KV7DRetry count exceeded Unsuccessful ConnectionsMonitoring Channel Activity DisconnectedWB6YMHWD0ETZ,KV7B Mheard EnterAD7I WA7GXD N2WX NK6K KV7B Cmd Connect WB0QRP Your First Packet QSOStarting the QSO Connected to WB0QRPCTRL-C Cmd Connect K5FLU VIA WB0QRPCmd Connect WB0QRP VIA K5FLU Special Input Characters Cmd Command 5 was $03Monitoring on the Air Cmd Monitor on Cmd Mcon on Cmd ConversCanline Cmd Hi, John, how are you?CTRL-X\Hi, John, how are you? RedisplaPage HF Packet Operation Hints Pactor Operation What is Pactor?MFJ-1278B MULTI-MODE Basic Operation Pactor PactorMFJ Pactor $2c-1022 free pcmd Mode PT EnterFEC Unproto operation Mycall n EnterChangeover MonitoringTxdelay TXD Exiting Pactor ModeThreshold Control Setting Monitoring Amtor ARQ requestsPactor Feature Definitions Digital Memory ARQConnect SPEEDup/SPEEDdownAmtor Detection in Pactor Pactor Status IndicatorsStatus Indicator STA CONSetting Up your Pactor Mailbox MFJ-1278B MULTI-MODE Basic Operation Pactor MailboxMemory Size # of Slots Bytes Avail MFJ Pactor $2c-1022 free Mailbox on EnterGeneral Overview Sysop EnterMailbox Ready Free de callsign Help, K, L, R, S MFJ-1278B MULTI-MODE Basic Operation Slot## t m To From Subject Nn free de callsignHelp, K, L, R, SDetailed Pactor Mailbox Overview SP callEnter Subject Max Characters Send msg Control-Z or /EX on it own line ends## Enter Message ## deleted Nn free n Mailbox Help,K, L, R, SEnter Nn free n Mailbox Help, K, L, R, S ## EnterMailbox Messages Pactor Enter?EH Procedure MFJ-1278B MULTI-MODE Basic Operation CW OperationReceiving CW EnterMode CW,15 Enter Transmitting CWMSPeed 15 Enter CW Weighting Weight ### EnterTransmitting from Memory Buffers CONTROL-C Tuning your RadioRandom Code Generator Randomcw OFF EnterCtrl-R Setting Up the for Code PracticeRandomcw on Enter Ctrl-TSending CW with External Key Paddle Mspeed 15 EnterMode MC Enter Radio Terminal Mode Modulated CW CmdMFJ-1278B MULTI-MODE Basic Operation Modulated CW Operation Setting Up for Ascii and Rtty Operation Mode ## EnterVHF Rtty Rtty and Ascii Transmitting Mode VB,110 EnterRtty and Ascii Receiving Bad?Mode HB,75 Baudot Rtty Operation HintsCommercial Rtty Reception CTRL-TBaud, 90% Confidence baud used 7 bits, RXInvert Off WtgCDSpeedConfidence Factor.SpeedData BitsRXInvert On/Off OK EnterOK Amtor Enter Mode HB,75 Enter Configuring for MarsCommand Mars Setting Mars OperationMARsmode Command Operating Mars with MultiCom for IBMMarsmode 1- QSO Mode Marsmode 3- Storage ModeMode AM Enter Mode a ARQSetting up for Mode a Operations MFJ-1278B MULTI-MODE Basic Operation Amtor OperationOperating Mode a N2WX becomes Nwwx using zone=Q 2=W 3=E 4=R 5=T 6=Y 7=U 8=I 9=O 0=P Setting up for Mode B FEC Monitoring Mode A, ARQMode B FEC Mode B FEC OperationsAmtor Status LED Indicators Myselcal xxxx Enter ARQ xxxx EnterSummary of Amtor Contact Sequence Print on EnterNavtex Operation MFJ-1278B MULTI-MODE Basic Operation Navtex OperationNavtex Stations and Frequencies Station QTH Station ID Broadcast Time UTCNavtex on Enter LORAN-C Omega Systems Satnav SystemsNavtex OFF Enter MFJ-1278B MULTI-MODE Basic Operation FAX Operation FAXMODEn Lines per Type of Service Minute Second FAX FormatsFaxmode n Enter Printer Connection FAX InstallationFAX Frequency LocationsMode FX Enter Receiving FAXReceiving FAX to the Printer MFJ-1278B MULTI-MODE Basic Operation Display FAX Picture on Computer Screen & Save it to Disk Two Level FAX Picture FormatLF, CR, ESC x x, ESC x x x, nnn character of graphics Multi-level FAX Picture Raw Data Format Multifax on EnterTransmitting FAX Two Level FAX Transmitting000 001 110 111 White Lightest grey Darkest grey Black Multi-level FAX Transmitting MFJ-1278B MULTI-MODE Basic Operation Values HEX Creating FAX Pictures for TransmittingPixtones FAX/SSTV Transmit Tones HzPage Printer Connection Sstv InstallationSstv Formats TVMODEn FormatsSstv Printing to the Printer Mode TV EnterReceiving Sstv Pictures Tvmode n EnterMFJ-1278B MULTI-MODE Basic Operation $ss,$aa,$bb,$cc,$dd,$ee,$ff,$gg,$hh,$ii,$jj,$kk,$ll,$mm,$nn Printing Sstv Pictures to the Screen Saving Sstv Pictures to Disk Terminating Sstv PrintingTransmitting Sstv Pictures Creating Sstv Pictures for Transmitting MFJ-1278B MULTI-MODE Basic Operation Special Characters Packet Operating Modes Command ModeMFJ-1278B MULTI-MODE Advanced Operation Dec Hex Control MnemonicEntering Data-Transfer Modes Converse Mode Connected to callsignTransparent Mode Flow Control XON/XOFF Flow Control Type-in Flow Control Detailed VHF Packet OperationHardware Flow Control Station IdentificationAutomatic Operations W3IWI-3IDW3IWI/RUnattended Operations Packet FormattingCmd Beacon Every Transmit Timing Commands Affecting ProtocolPacket Timing Functions Cmd Unproto QST VIA NK6KPacket Timing Keyup delay = Txdelay + Axdelay * 10 in millisecondsKeyup delay = TXDELAY*10 in milliseconds Retry interval = Frack * 2*n +Wait time = Dwait * 10 + r * Txdelay Radio Baud RateWait time = Dwait Special Protocol Timing Monitor FunctionsReal-Time Clock and Time Stamping WB9FLWN7CL C KV7BN2WX DConperm Setting the MFJ-1278B to Normal OperationHow do I Invoke Multi-Connect? UsersEasy-Mail Mailbox Mailbox on CR Setting Up your Easy-Mail MailboxUsers 1 CR Sysop CRYour MFJ-1278B will respond with Slot1 PN ToKB5JNZ FromKF5C BBS Bulletin Nn free n Mailbox B,E,Help,J,K,L,M,R,S,T Memory Size Number of BanksNn free 0 Mailbox B, E, Help, J, K, L, M, R, S, T Paging Sysop any key aborts Paging Sysop any key aborts No answerMailbox Operation TitleSend msg Control-Z or /EX to end Cannot, not yoursSlot## t m To From Subject ## CR Callsign Busy Disconnected Additional Mailbox FeaturesForwarding Connect requestCALLSIGNRemote Heard Log Chat ModeEliciting Reverse Forwards SysopAbort Idle TimeoutMailbox CText Mailbox MessagesNot found You have new mail?Mailbox full None foundSlotting and Acknowledgment Priority DescriptionMFJ-1278B MULTI-MODE Advanced Operation New Parameters Ackprior OnoffSlots n RemarksOther Related Parameters Baud Rate Frack SecondsFrack Initial Parameter Settings SummaryWhat to Expect ACKTimeMFJ-1278B MULTI-MODE Advanced Operation Printing Packet Pictures thru Built-in Printer Port Using PktpixPacket Picture Transfer Packet Picture transfer to the computer screenRadio Setup for HF Packet Operation MFJ-1278B MULTI-MODE Advanced Operation MFJ-1278B MULTI-MODE Advanced Operation Operating HF Packet MFJ-1278B MULTI-MODE Advanced Operation MFJ-1278B MULTI-MODE Advanced Operation Yourcall CQ Yourcall HiscallMFJ-1278B MULTI-MODE Advanced Operation Check OFF Cmsg Retry DigipeatDwait OFF MaxframeMFJ-1278B Kiss MODE, TNC-2 MODE, Host Mode Kiss Interface for TCP/IPCommand Function Comments Param ax0MFJ-1278B MULTI-MODE Operational Commands Command Preface Entering CommandsXflow OFF Defaults MFJ-1278B MULTI-MODE Operational CommandsCommand List Cmd AsdfasdfParameters Beacon EVERY/AFTER nRemarks Cmd Conok YConok on 8BITCONV ON/OFF Mode Packet Default OFFMode FAX/SSTV Default OFF 8LEVELS ON/OFF16LEVELS ON/OFF Mode FAX/SSTV DefaultONMode Amtor Default OFF Aalt ON/OFFAlockchar nn Mode CW/MCW Default $15 Mode Packet Default onAcktime nnnn Mode Packet Default Ackpriority ON/OFFAltcall ssss Mode Amtor Default blank Ansbstr cccc Mode Amtor Default blankArcvchar nn Mode RTTY/ASCII Default $12 Answrqra ON/OFFCmd Unproto Qracr Asendcha nn Mode RTTY/ASCII Default $14 ASASpeed Confidence Factor. Data Bit RXInvert On/Off Aspect n Mode FAX Default Mode All Default on Autobaud ON/OFFAUtolf ON/OFF Mode Pactor Default on Autolf ON/OFFAwlen n Mode All Default Autotrac ON/OFFAxdelay n AX25L2V2 ON/OFFAxhang Message Effect When Bbsmsgs on Axhang nBbsmsgs ON/OFF Beacon Everyafter n Mode Packet Default Every Bkondel ON/OFF Bkondel onParity BLP ON/OFFConmode TRANS/CONV AwlenBtext text Mailbox on line. Messages for WB9FLW, AD7I, K9NGBudlist ON/OFF BUF n Bufkey nnnBuftime n Bwnl ON/OFF CaliraSpace Calset n Canline nCancel Display Output Canpac nOFF CBell ON/OFF Mode Pactor DefaultOFFCbell ON/OFF BELL*** Connected to callsignChange Mode Rtty Default onCcitt ON/OFF ChatCHObell ON/OFF Mode Pactor Default on Check nCHECKV1 ON/OFF CMDchr nnn 0=nn=255 Mode Pactor Default $03 Cmdtime n TNCConnect callsign Conperm ON/OFF Cmsg ON/OFF Cmsgdisc ON/OFFCommand n Conmode CONVERS/TRANS ConversTrans Call2 Connect WA7GXD VIA N0ADI-1,WD0ETZConok ON/OFF Connect request callCall station busy Constamp ON/OFF Connected to N2WX 05/28/85Converse Cpactime ON/OFF CR ON/OFFIm not here right now, but you may leave a message Ctext textText CstatusCwcall ssss Mode Amtor Default blank CWidmode nn 0=nn=255 Mode Pactor DefaultCwsendch nnn Mode CW Default$FF Mode CW Default OFFCwspeedm ON/OFF Cmd Daytime Daytime date&timeYymmddhhmm Cmd Daytime 02/29/84Dayusa ON/OFF Delay nn Deadtime nnnMode ASCII/RTTY Default on Delete ON/OFFDiddle ON/OFF Digipeat ON/OFF DisconneAsyqover Display classAsyfrerr AsyrxovrHovrerr BbfailedDigisent HundrerrRxresync RxerrorsRxlenerr SentfrmrEAa ON/OFF Mode Pactor Default on DisplayDwait n Easin ON/OFF Mode CW/RTTY/ASCII Default OFFEAS ON/OFF Echo ON/OFFMode Amtor Default on ECho ON/OFF Mode Pactor Default on ParameterERrstrin cccc Mode Pactor Default Epson ON/OFFMode Packet Default OFF Parameters EXActcal ON/OFF Mode Pactor DefaultONEscape ON/OFF Farnswor ON/OFF Faxeop ON/OFFFaxrev ON/OFF Mode FAX Default OFFFaxneg ON/OFF FECFLow ON/OFF Mode Pactor Default on Flow ON/OFFForward Fulldup ON/OFF KV7DN2WX Go ahead and transfer the file Graphlf OnoffHeaderln ON/OFF N2WXKV7DHealled ON/OFF HID ON/OFFIDTime nnn Mode Mailbox Default OFF Kilonfwd ON/OFFKiss ON/OFF Lc callsign Lcalls call1,call2...,call8Lcok Onoff LEdmode 0/1 Mode Pactor Default LFadd ON/OFF Mode Pactor Default OFFLfaddalt ON/OFF Mode ASCII/Packet Default OFFLfadd Onoff Lfignore ON/OFFMode Amtor Immediate Command MAILbox ON/OFF Mode Pactor Default OFFListen Mailbox ON/OFF Mailled ON/OFF Mall ON/OFF@ Bell \ Null Figs Ltrs Marsmode nTX Translations Bell NullMAXDown nnn Mode Pactor Default Maxframe n Mode Packet DefaultMatch ON/OFF MAXSum nn Mode Pactor Default MAXUp nnn Mode Pactor DefaultMbegin cccc Mode Amtor Default Mcom ON/OFF Mcon ON/OFFMend cccc Mode Amtor Default nnnn Mfilter n1,n2,n3,n4 Mode Packet Default noneMctext text Mode MhclearMheard MNONAX25 ON/OFFMonitor ON/OFF Mode Pactor Default on Monitor ON/OFFN2WXW5FD-3 Im ready to transfer the file now WB9FLWAD7IHi Paul Mrpt ON/OFFWB9FLWAD7I,K9NG*,N2WX-7Hi Paul Mspeed nMtimeout n Mstamp ON/OFFMultifax ON/OFF Mycall call-nMYcall callsign Mode Pactor Default Mfjpactr Myalias call-n Mode Packet Default blankMyhierad Text Mode Mailbox Default Mymcall callsignMyselcal ssss Mode Navtex DefaultOFF Navstn Text Mode Navtex Default ALLNavtex ON/OFF Navmsg LORAN-CNewmode ON/OFF Mode Pactor Default OFF Nodeforw node Mode Mailbox DefaultNO200 ON/OFF Nomode ON/OFF Nodepath text string Mode Mailbox DefaultCmd Nodepath C KB4VOL Cmd Nodeforw PSL5 Nucr ON/OFFNulls n Paclen n Mode Packet Default Pactime Everyafter n Mode Packet Default AfterOmlc ON/OFF Pass n Mode Packet Default $16 CTRL-V CTRL-CPassall ON/OFF Pixtones n White Lt gray Dark gray Black AreaSyn Pixtones Values HEX FAX/SSTVTransmitTones Hz Mode Packet Immediate Command Entering transparent mode for packet-pix receptionPktpix ON/OFF Printgra ON/OFF Printer ON/OFFPrinttes PTOver nnn 0=nn=255 Mode Pactor Default $19 PTSendQRT Radio nRandomcw ON/OFF Rbitmask $xx Mode RTTY/ASCII Default Reconnect call1 VIA call2,call3...,call9 Mode PacketRemsysop call-n Mode Mailbox Default Blank Redispla nRestore ResetResptime n Mode Packet Default RestartRETries nnn 0=nn=255 Mode Pactor Default Revflim call-n Mode Mailbox DefaultRetry n RFE ON/OFF Rinv ON/OFFPID Rxblock ON/OFF$FF DataRxbright n Rxbr n TVBreak ValuesRxcal Calset Adjustment & Location Map Rvfalway ON/OFF Rxinvert ON/OFFSerialno n Mode CW Default Sstv SetupModem Default Baud Rate Speed/ Format Sfnl ON/OFFSlots nnn Mode Packet Default Solf ON/OFFSTatus Srxall ON/OFFStart n StatusStop n Streamca ON/OFF Streamdb Onoff This is a testStreamsw n Mailbox Timedcmd text string Mode Mailbox DefaultTimedmin n Mode Mailbox Default String- max 119 charsTRace ON/OFF Mode Pactor Default OFF Trace ON/OFFKV7BCQ,KF7B*this is a test message ModePacket Default OFF Trflow ON/OFFTries n Mode Packet Default None TuneTuneproc Tvbreaks n Mode Sstv Default see below Mode Sstv Default OFFTvhsync ON/OFF Tvmode n Mode Sstv Immediate Command Txdelay n Mode Packet Default TVX ON/OFFTxdelayc = Radio-PTT-delay-time / Time-per-character TXDelay n Mode Pactor Default 2 60msTxdelayc nnn Baud Rate Time-per-characterTxdiddle ON/OFF Txtmo n Mode Packet Default Txflow ON/OFFTxinvert ON/OFF Txuiframe ON/OFF U1 UNprotoU2 UNproto URepeats nn Mode Pactor Default Users n Mode Packet DefaultUnshift ON/OFF Visticks nnnn Mode Sstv Default0 Defaults Nibble ToneWdmode ON/OFF WAitdisc nn Mode Pactor DefaultWeight n Mode CW Default WRUXoff n Mode All Default $13 Xmitok ON/OFFXOff nn XOn nnXON n BbRAM loaded with defaults Packet MessagesWas ? Expected bank n....x MFJ-1278B MULTI-MODE System MessagesToo many packets outstanding Message saved?call Command Mode Error Messages?bad ?clock not set?VIA Link Status Messages Callsign busy Connected to call1 VIA call2,call3...,call9Connect requestcall1 VIA call2,call3...,call9 Frmr frame just sent Frmr sentFrmr rcvd LINKOUTOFORDER, possible datalossopt.daytime stampMFJ-1278B Specifications MFJ-1278B MULTI-MODE HardwareBbRAM Power RequiredGeneral Description ProtocolDetailed Circuit Description OscillatorDividers and Baud-rate Generator CPU Complex Serial InterfaceWatch-dog Timer Power SupplyModem RS-232C Handshaking Protocol MFJ-1278B MULTI-MODE Hardware MFJ-1278B MULTI-MODE Hardware Jumper Functions Jumper # Position FunctionJMP18 JMP16JMP17 JMP19Jmpd JmpbJmpc JmpeParallel Printer Port PIN FUNCTION,J12 Printer Port Pin # Pin FunctionJ5 Pin # Pin Function External Modem Interface Connector J14 J13 Pin # Pin FunctionPin 2 Carrier Detect Output MFJ-1278B MULTI-MODE Hardware Modem Disconnect HEADER, J4Pin 1 Carrier Detect Input Pin 3 SIO Special Interrupt InputPin 7 Connect Status Output Pin 5 SIO RTS OutputPin 6 Transmitter Key Input Pin 8 Unacknowledged Packets Pending Status OutputHF Tuning Indicator MFJ-1278B MULTI-MODE Troubleshooting General TestsObvious Problems Assembly ProblemsSymptom TNC appears dead Specific SymptomsCabling Problems Oscillator and Reset CircuitsSymptom Modem wont calibrate or key transmitter Terminal Interface Troubleshooting Symptom Uncopyable transmitted or received packetsSymptom MFJ-1278B wont sign on to the terminal Symptom The MFJ-1278B signs on OK but wont accept commands Physical Layer Data Link LayerMFJ-1278B MULTI-MODE Packet Radio Protocol Hdlc FramesAX.25 Level TWO Code Abbrv Frame Type Sabm RNRREJ DiscPage Channel Flow Control MFJ-1278B MULTI-MODE Appendix a Radio Hookup Table A-1HOOKUP for Specific RadiosTable A-1.2Other Radio Connections Calibration Method MFJ-1278B MULTI-MODE Appendix B Modem CalibrationMODULATOR/DEMODULATOR Frequency Calibration Test equipment neededMultilevel xmit...1900 Demodulator Alignment Multilevel demod 307 154KHz 1550 Hz 1062250 Hz 70 R79Calibration Procedure Comprehensive Alignment Procedure Set Modulator Tones Using Built-in Calibration Software= INT 525000 / Flow + Demodulator Center Frequency Alignment = INT 525000 / Fhigh +Tuning Indicator Alignment Alignment ProcedureMFJ-1278B MULTI-MODE Appendix B Modem Calibration MFJ-1278B Adjustment Location Map Calset Values for Various Modulator Tone Frequencies Calset #Page Detailed CW Demodulator Alignment Procedure MFJ-1278B MULTI-MODE Appendix B Modem Calibration MFJ-1278B MULTI-MODE Appendix B Modem Calibration Audio Output Level Adjustment Procedure Cali CRMFJ-1278B MULTI-MODE Appendix C Audio Output Radio 2 CRMFJ-1278B MULTI-MODE Appendix D HF Radio HF Radio Alignment First Method Noise Average FrequencyFc = Flow+Fhigh/2 Page MFJ-1278B MULTI-MODE Appendix E Converting to TNC-2 BPS Packet Setup Mode VP,2400 CRMFJ-1278B MULTI-MODE Appendix F 2400 BPS Packet BPS Receive Audio SettingBPS Transmit Audio Setting CN-6 Jumper Position Transmit Audio Range no loadJMP13 JMP14MFJ-1278B MULTI-MODE Appendix G Jumper Functions JmpaJmpz Fig. G-1 Jumper Connector Location MFJ-1278B MULTI-MODE Appendix H Command Summary AcktimeBLP Conperm Deadtime FEC Lfignore Mrpt Pactime Retry Timedmin Users MFJ P/N Descrpition Component IDRESISTORS, 1/4 WATT, 5% MFJ-1278B MULTI-MODE Appendix I Parts List RESISTORS, 1/8 WATT, 1%POT 17MM Single TURN, PCB Mount TRIMPOTS, Bourns or EqualTrim POT Single TURN, Miniature Capacitors MULTI-LAYER, Monolithic CeramicCapacitors MYLAR, 50V/100V Capacitors ElectrolyticCapacitor Other Types IC Sockets LOW ProfileICS Do not use 74HCT14 for these ICs DIODES/LEDS TransistorsConnectors Voltage RegulatorMiscellaneous Grayscale PC Board Assembly For Installing CoverDisplay PC Board Assembly Mounting NUT for R131BOM for Display PC Assembly P/N This is to Insure Good Contact with Chassis Reduce EMIAddition Parts for MFJ-1278BT only BOM for Grayscale PC Assembly P/N Resistors 1/8W, 1%Trimpot 15 Turns, Bourns or Equal IC Sockets Descrpition Component ID Capacitor Monolithic CeramicCapacitor Electrolytic ICsRESISTOR, 1/4 WATT, 5% RESISTOR, Trim POT, Single TURN, MINIATURE, Horzontal RESISTOR, 1/8 WATT, 1%RESISTOR, NETWORK, SINGLE-ON-LINE, Isolated Capacitors Disc CeramicDiodes CENTER, 3 POS. Header CENTER, TOP ENTRY,10 POS CN1 Dual ROW Socket ConnectorCENTER, Right Angle JMP 14B POS. Header POS. Shorting Jumer for CN6Manual Index MFJ-1278B MULTI-MODE Manual IndexAutotrac MFJ-1278B MULTI-MODE Manual Index MFJ-1278B MULTI-MODE Manual Index MFJ-1278B MULTI-MODE Manual Index MFJ-1278B MULTI-MODE Manual Index MFJ-1278B MULTI-MODE Manual Index MFJ-1278B MULTI-MODE Manual Index Connect CW KEY-IN CwspeedmMFJ-1278B MULTI-MODE Manual Index FARnswor, 73, 75 Farnsworth CW, 75 FCS\, Hdlc field Introduction MFJ-1278B MULTI-MODE Manual Index Normal CW MFJ-1278B MULTI-MODE Manual Index MFJ-1278B MULTI-MODE Manual Index MFJ-1278B MULTI-MODE Manual Index Txdelay