Autotrac | Epson MFJ-1278B guide

MFJ-1278B MULTI-MODE

MANUAL INDEX

Automatic operations, transmit operation, 128, 305

AUTOTRAC, 72

AWLEN, 278

Awlen, 34

AX.25 Level 2 protocol, 187, 337

B

Baud rate, Radio, 124 Baud rate, Serial port, 124

Baud rate, serial port, 17, 315, 321, 336 Baud rate, switch, 317

Baud-rate generator, 317 bbRAM, 118, 316

bbRAM loaded with defaults, 308 bbRAM, protection circuit, 318 bbRAM, troubleshooting, 333 Beacons, sent as UI frames, 339 Beacons, setting address, 301 Beacons, unnecessary transmissions, 190 binary file transfers, 5

BUF command, 38 Buffer 0 Repeating, 40 Buffer sizes, 344 BUFKEY, 39, 74 BUFTIME, 40

Bulletin Board operations, 5

Bulletin board systems, automatic packet transmission, 211 Bulletin board systems, beacon message, 193

Bulletin board systems, compatibility with TNC 1, 259 Bulletin board systems, time stamping of connections, 210 Bulletin board systems, Transparent Mode, 293 Bulletin board systems, type-in flow control, 230

Busy signal, sent as DM frames, 342

C

Cables, troubleshooting, 333, 336

Calibration, commands, 196

Calibration, formula for demodulator tones, 196

Calibration, formula for modulator tones, 196

Calibration, troubleshooting, 334

Callsign parameter, setting, 254

Image 389

Epson MFJ-1278B manual Autotrac

Contents

Table of Contents FSK Connection Getting Started Connect FAX Operation Navtex OperationSlow Scan Television Operation Advanced Packet Operation 125 MULTI-LEVEL Interface CONNECTOR,J13 MFJ-1278B SpecificationsExternal Modem Interface Connector J14 HF Tuning Indicator BPS Packet Setup CW Modem TUNE-UP ProcedureCommand Summary MFJ-1278B/1278BT Parts List MFJ-1278B MULTI-MODE Table of Contents MFJ-1278B MULTI-MODE Introduction MFJ-1278B MULTI-MODE Introduction MFJ-48BE Items supplied with MFJ-1278B/MFJ-1278BT package MFJ Starter Packs MFJ-1278B MULTI-MODE Computer Interfacing Pin Signal Name Description Serial Port SignalsSerial port signals required by MFJ-1278B Manufacturer Model Apple Macintosh Computer with Specific Serial InterfacesMacintosh MFJ-1278B Pin DB-25P DB-9P Hsko Hski IBM PCjr Commodore C64, C128 and VIC-20 Color Computers Radio Shack Color ComputerIBM PC/XT/AT/386/486 and compatibles Computer Color Computer DB-25P MFJ-1278B RS-232C Computer RS-232C Other Computers with Nonstandard Serial Ports MacTerm Parameters for MFJ-1278B Apple II, II+, IIe, IIcCompatibility Terminal IBM and Compatible Computers Radio Shack Model 100/102 and NEC MFJ-1278B Serial Port PIN FunctionsPin # Mnemonic Name RS-232C Pin Designations Autobaud Computer Baud Rate Changing Terminal Baud Rate MFJ ENTERPRISES, INC. Model MFJ-1278B BbRAMLOAD with Defaults a MFJ-1278B DB-25 Name Printer Port Pin # Printer Port Connection Type Printtes CR Printer ConsiderationPrinter Port Test MFJ-1278B Radio Ports MFJ-1278B MULTI-MODE Radio Interfacing Radio Connector Pin Diagram HT Special Keying Circuit Calibra Transmit Audio Level Adjustment for Method I InterfaceMethod 1 Direct Connection to Microphone and Speaker Setting the Receiver Audio Input Level Accessory Jack Interface Method 2 Accessory Jack or Interface Box Connection External Interface Box Transmit Audio Level Adjustment for Interface Method Important Note Harmonics Interference Receiver Audio SettingPage Key Paddle Connection MFJ-1278B MULTI-MODE Radio Interfacing CW InstallationKeying Connection FSK Cable MFJ-1278B MULTI-MODE Radio Interfacing FSK Connection First Steps Basic CommandsMFJ-1278B MULTI-MODE Basic Operation Getting Started MFJ-1278B MULTI-MODE Basic Operation Serial Port ConfigurationMycall K5FLU Mycall was Nocall cmd Parity 1 or Parity Parity and Word LengthEchos New Lines and Line Wrapping AMTOR, Navtex VHF RTTY, VHF Ascii Modem Operation ModesModem LOW Tone Hz High Tone Hz Shift Hz Verifying Operation Status Mode Switching With the Mode CommandMFJ-1278B MULTI-MODE Basic Operation Operational Modes Memory Buffers Radio Port Switching Transmitting the Memory Buffers Loading the Memory BuffersBuffer Serial Numbering BUF1 The QTH here is Starkville, Mississippi. Enter Chaining the Memory Buffers Memory Repeat and Buffer Repeat TimeBuftime 15 Enter Buftime to MFJ-1278B MULTI-MODE Basic Operation Tuning Indicator MFJ-1278B MULTI-MODE Basic Operation Packet Operation Connecting and Disconnecting ExerciseVHF Packet Cmd Fulldup on Cmd Connect K5FLU Disconnected Cmd Disconne AD7I DigipeatingCmd Connect N2WX VIA AD7I Cmd Connect N2WX VIA NK6K, KV7D Monitoring Channel Activity Unsuccessful ConnectionsRetry count exceeded Disconnected AD7I WA7GXD N2WX NK6K KV7B WB6YMHWD0ETZ,KV7BMheard Enter Starting the QSO Your First Packet QSOCmd Connect WB0QRP Connected to WB0QRP Cmd Connect WB0QRP VIA K5FLU CTRL-CCmd Connect K5FLU VIA WB0QRP Monitoring on the Air Cmd Command 5 was $03Special Input Characters Cmd Monitor on Cmd Mcon on Cmd Convers Hi, John, how are you? Cmd Hi, John, how are you?CTRL-X\Canline RedisplaPage HF Packet Operation Hints MFJ-1278B MULTI-MODE Basic Operation Pactor What is Pactor?Pactor Operation Pactor FEC Unproto operation Mode PT EnterMFJ Pactor $2c-1022 free pcmd Mycall n Enter Monitoring Changeover Threshold Control Setting Exiting Pactor ModeTxdelay TXD Monitoring Amtor ARQ requests Digital Memory ARQ Pactor Feature Definitions SPEEDup/SPEEDdown Connect Status Indicator Pactor Status IndicatorsAmtor Detection in Pactor STA CON Memory Size # of Slots Bytes Avail Setting Up your Pactor MailboxMFJ-1278B MULTI-MODE Basic Operation Pactor Mailbox Mailbox on Enter MFJ Pactor $2c-1022 free Mailbox Ready Free de callsign Help, K, L, R, S General OverviewSysop Enter MFJ-1278B MULTI-MODE Basic Operation Nn free de callsignHelp, K, L, R, S Slot## t m To From Subject SP call Detailed Pactor Mailbox Overview Send msg Control-Z or /EX on it own line ends Enter Subject Max Characters Enter ## EnterMessage ## deleted Nn free n Mailbox Help,K, L, R, S ## Enter Nn free n Mailbox Help, K, L, R, S ?EH Mailbox MessagesPactor Enter MFJ-1278B MULTI-MODE Basic Operation CW Operation Procedure Enter Receiving CW MSPeed 15 Enter Mode CW,15 EnterTransmitting CW Transmitting from Memory Buffers CW WeightingWeight ### Enter Random Code Generator Tuning your RadioCONTROL-C Randomcw OFF Enter Randomcw on Enter Setting Up the for Code PracticeCtrl-R Ctrl-T Mspeed 15 Enter Sending CW with External Key Paddle MFJ-1278B MULTI-MODE Basic Operation Modulated CW Operation Mode MC EnterRadio Terminal Mode Modulated CW Cmd VHF Rtty Setting Up for Ascii and Rtty OperationMode ## Enter Rtty and Ascii Receiving Mode VB,110 EnterRtty and Ascii Transmitting Bad? Baudot Rtty Operation Hints Mode HB,75 CTRL-T Commercial Rtty Reception SpeedConfidence Factor.SpeedData BitsRXInvert On/Off WtgCDBaud, 90% Confidence baud used 7 bits, RXInvert Off OK Enter OK Amtor Enter Command Mars Setting Configuring for MarsMode HB,75 Enter Mars Operation Operating Mars with MultiCom for IBM MARsmode Command Marsmode 3- Storage Mode Marsmode 1- QSO Mode Setting up for Mode a Operations Mode a ARQMode AM Enter MFJ-1278B MULTI-MODE Basic Operation Amtor Operation =Q 2=W 3=E 4=R 5=T 6=Y 7=U 8=I 9=O 0=P Operating Mode aN2WX becomes Nwwx using zone Mode B FEC Monitoring Mode A, ARQSetting up for Mode B FEC Mode B FEC Operations Amtor Status LED Indicators ARQ xxxx Enter Myselcal xxxx Enter Print on Enter Summary of Amtor Contact Sequence Navtex Stations and Frequencies MFJ-1278B MULTI-MODE Basic Operation Navtex OperationNavtex Operation Station QTH Station ID Broadcast Time UTC Navtex on Enter Navtex OFF Enter LORAN-COmega Systems Satnav Systems MFJ-1278B MULTI-MODE Basic Operation FAX Operation Faxmode n Enter FAXMODEn Lines per Type of Service Minute SecondFAX Formats FAX Frequency FAX InstallationPrinter Connection Locations Receiving FAX to the Printer Mode FX EnterReceiving FAX MFJ-1278B MULTI-MODE Basic Operation LF, CR, ESC x x, ESC x x x, nnn character of graphics Display FAX Picture on Computer Screen & Save it to DiskTwo Level FAX Picture Format Multifax on Enter Multi-level FAX Picture Raw Data Format 000 001 110 111 White Lightest grey Darkest grey Black Transmitting FAXTwo Level FAX Transmitting Multi-level FAX Transmitting MFJ-1278B MULTI-MODE Basic Operation Pixtones Creating FAX Pictures for TransmittingValues HEX FAX/SSTV Transmit Tones HzPage Sstv Formats Sstv InstallationPrinter Connection TVMODEn Formats Receiving Sstv Pictures Mode TV EnterSstv Printing to the Printer Tvmode n Enter MFJ-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 Transmitting Sstv Pictures Saving Sstv Pictures to DiskTerminating Sstv Printing Creating Sstv Pictures for Transmitting MFJ-1278B MULTI-MODE Basic Operation Special Characters MFJ-1278B MULTI-MODE Advanced Operation Command ModePacket Operating Modes Dec Hex Control Mnemonic Entering Data-Transfer Modes Connected to callsign Converse Mode Transparent Mode Flow Control XON/XOFF Flow Control Hardware Flow Control Detailed VHF Packet OperationType-in Flow Control Station Identification W3IWI-3IDW3IWI/R Automatic Operations Cmd Beacon Every Unattended OperationsPacket Formatting Packet Timing Functions Commands Affecting ProtocolTransmit Timing Cmd Unproto QST VIA NK6K Keyup delay = TXDELAY*10 in milliseconds Keyup delay = Txdelay + Axdelay * 10 in millisecondsPacket Timing Retry interval = Frack * 2*n + Wait time = Dwait Wait time = Dwait * 10 + r * TxdelayRadio Baud Rate Monitor Functions Special Protocol Timing WB9FLWN7CL C KV7BN2WX D Real-Time Clock and Time Stamping How do I Invoke Multi-Connect? Setting the MFJ-1278B to Normal OperationConperm Users Easy-Mail Mailbox Users 1 CR Setting Up your Easy-Mail MailboxMailbox on CR Sysop CR Your MFJ-1278B will respond with Slot1 PN ToKB5JNZ FromKF5C BBS Bulletin Nn free 0 Mailbox B, E, Help, J, K, L, M, R, S, T Nn free n Mailbox B,E,Help,J,K,L,M,R,S,TMemory Size Number of Banks Paging Sysop any key aborts No answer Paging Sysop any key aborts Title Mailbox Operation Cannot, not yours Send msg Control-Z or /EX to end Slot## t m To From Subject ## CR Forwarding Additional Mailbox FeaturesCallsign Busy Disconnected Connect requestCALLSIGN Eliciting Reverse Forwards Chat ModeRemote Heard Log Sysop Mailbox CText Idle TimeoutAbort Mailbox Messages ?Mailbox full You have new mailNot found None found Description Slotting and Acknowledgment Priority MFJ-1278B MULTI-MODE Advanced Operation Ackprior Onoff New Parameters Remarks Slots n Baud Rate Frack Seconds Other Related Parameters What to Expect Initial Parameter Settings SummaryFrack ACKTime MFJ-1278B MULTI-MODE Advanced Operation Packet Picture Transfer Using PktpixPrinting Packet Pictures thru Built-in Printer Port Packet Picture transfer to the computer screen Radio 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 Hiscall Yourcall CQ MFJ-1278B MULTI-MODE Advanced Operation Dwait OFF DigipeatCheck OFF Cmsg Retry Maxframe Kiss Interface for TCP/IP MFJ-1278B Kiss MODE, TNC-2 MODE, Host Mode Param ax0 Command Function Comments Xflow OFF MFJ-1278B MULTI-MODE Operational Commands Command PrefaceEntering Commands Command List MFJ-1278B MULTI-MODE Operational CommandsDefaults Cmd Asdfasdf Beacon EVERY/AFTER n Parameters Conok on RemarksCmd Conok Y Mode FAX/SSTV Default OFF Mode Packet Default OFF8BITCONV ON/OFF 8LEVELS ON/OFF Mode Amtor Default OFF Mode FAX/SSTV DefaultON16LEVELS ON/OFF Aalt ON/OFF Acktime nnnn Mode Packet Default Mode Packet Default onAlockchar nn Mode CW/MCW Default $15 Ackpriority ON/OFF Ansbstr cccc Mode Amtor Default blank Altcall ssss Mode Amtor Default blank Cmd Unproto Qracr Arcvchar nn Mode RTTY/ASCII Default $12Answrqra ON/OFF Speed Confidence Factor. Data Bit RXInvert On/Off Asendcha nn Mode RTTY/ASCII Default $14ASA Aspect n Mode FAX Default Autobaud ON/OFF Mode All Default on Autolf ON/OFF AUtolf ON/OFF Mode Pactor Default on Autotrac ON/OFF Awlen n Mode All Default Axhang Axdelay nAX25L2V2 ON/OFF Bbsmsgs ON/OFF Message Effect When Bbsmsgs onAxhang n Beacon Everyafter n Mode Packet Default Every Bkondel on Bkondel ON/OFF Conmode TRANS/CONV BLP ON/OFFParity Awlen Budlist ON/OFF Btext textMailbox on line. Messages for WB9FLW, AD7I, K9NG Buftime n BUF nBufkey nnn Space Bwnl ON/OFFCalira Canline n Calset n Canpac n Cancel Display Output Cbell ON/OFF CBell ON/OFF Mode Pactor DefaultOFFOFF BELL*** Connected to callsign Ccitt ON/OFF Mode Rtty Default onChange Chat CHECKV1 ON/OFF CHObell ON/OFF Mode Pactor Default onCheck n CMDchr nnn 0=nn=255 Mode Pactor Default $03 Connect callsign Cmdtime nTNC Conperm ON/OFF Cmsgdisc ON/OFF Cmsg ON/OFF Command n Trans Conmode CONVERS/TRANSConvers Connect WA7GXD VIA N0ADI-1,WD0ETZ Call2 Call station busy Conok ON/OFFConnect request call Converse Constamp ON/OFFConnected to N2WX 05/28/85 CR ON/OFF Cpactime ON/OFF Text Ctext textIm not here right now, but you may leave a message Cstatus CWidmode nn 0=nn=255 Mode Pactor Default Cwcall ssss Mode Amtor Default blank Cwspeedm ON/OFF Cwsendch nnn Mode CW Default$FFMode CW Default OFF Yymmddhhmm Daytime date&timeCmd Daytime Cmd Daytime 02/29/84 Dayusa ON/OFF Deadtime nnn Delay nn Diddle ON/OFF Mode ASCII/RTTY Default onDelete ON/OFF Disconne Digipeat ON/OFF Asyfrerr Display classAsyqover Asyrxovr Digisent BbfailedHovrerr Hundrerr Rxlenerr RxerrorsRxresync Sentfrmr Dwait n EAa ON/OFF Mode Pactor Default onDisplay EAS ON/OFF Mode CW/RTTY/ASCII Default OFFEasin ON/OFF Echo ON/OFF ERrstrin cccc Mode Pactor Default ECho ON/OFF Mode Pactor Default on ParameterMode Amtor Default on Epson ON/OFF Escape ON/OFF Mode Packet Default OFF ParametersEXActcal ON/OFF Mode Pactor DefaultON Faxeop ON/OFF Farnswor ON/OFF Faxneg ON/OFF Mode FAX Default OFFFaxrev ON/OFF FEC Forward FLow ON/OFF Mode Pactor Default onFlow ON/OFF Fulldup ON/OFF Headerln ON/OFF Graphlf OnoffKV7DN2WX Go ahead and transfer the file N2WXKV7D HID ON/OFF Healled ON/OFF IDTime nnn Kiss ON/OFF Mode Mailbox Default OFFKilonfwd ON/OFF Lcok Onoff Lc callsignLcalls call1,call2...,call8 LFadd ON/OFF Mode Pactor Default OFF LEdmode 0/1 Mode Pactor Default Lfadd Onoff Mode ASCII/Packet Default OFFLfaddalt ON/OFF Lfignore ON/OFF Listen Mode Amtor Immediate CommandMAILbox ON/OFF Mode Pactor Default OFF Mailbox ON/OFF Mall ON/OFF Mailled ON/OFF TX Translations Marsmode n@ Bell \ Null Figs Ltrs Bell Null Match ON/OFF MAXDown nnn Mode Pactor DefaultMaxframe n Mode Packet Default Mbegin cccc Mode Amtor Default MAXSum nn Mode Pactor DefaultMAXUp nnn Mode Pactor Default Mcon ON/OFF Mcom ON/OFF Mctext text Mend cccc Mode Amtor Default nnnnMfilter n1,n2,n3,n4 Mode Packet Default none Mheard MhclearMode MNONAX25 ON/OFF N2WXW5FD-3 Im ready to transfer the file now Monitor ON/OFF Mode Pactor Default onMonitor ON/OFF WB9FLWAD7I,K9NG*,N2WX-7Hi Paul Mrpt ON/OFFWB9FLWAD7IHi Paul Mspeed n Mstamp ON/OFF Mtimeout n Mycall call-n Multifax ON/OFF Myalias call-n Mode Packet Default blank MYcall callsign Mode Pactor Default Mfjpactr Myselcal ssss Myhierad Text Mode Mailbox DefaultMymcall callsign Navtex ON/OFF Mode Navtex DefaultOFFNavstn Text Mode Navtex Default ALL Newmode ON/OFF NavmsgLORAN-C NO200 ON/OFF Mode Pactor Default OFFNodeforw node Mode Mailbox Default Cmd Nodepath C KB4VOL Cmd Nodeforw PSL5 Nodepath text string Mode Mailbox DefaultNomode ON/OFF Nucr ON/OFF Nulls n Omlc ON/OFF Paclen n Mode Packet DefaultPactime Everyafter n Mode Packet Default After CTRL-V CTRL-C Pass n Mode Packet Default $16 Passall ON/OFF Syn Pixtones nWhite Lt gray Dark gray Black Area TransmitTones Hz Pixtones Values HEXFAX/SSTV Pktpix ON/OFF Mode Packet Immediate CommandEntering transparent mode for packet-pix reception Printtes Printgra ON/OFFPrinter ON/OFF PTSend PTOver nnn 0=nn=255 Mode Pactor Default $19 Randomcw ON/OFF QRTRadio n Reconnect call1 VIA call2,call3...,call9 Mode Packet Rbitmask $xx Mode RTTY/ASCII Default Redispla n Remsysop call-n Mode Mailbox Default Blank Resptime n Mode Packet Default ResetRestore Restart Retry n RETries nnn 0=nn=255 Mode Pactor DefaultRevflim call-n Mode Mailbox Default Rinv ON/OFF RFE ON/OFF $FF Rxblock ON/OFFPID Data Rxbr n TVBreak Values Rxbright n Rxcal Calset Adjustment & Location Map Rxinvert ON/OFF Rvfalway ON/OFF Serialno n Mode CW Default Modem Default Baud Rate Speed/ Format SetupSstv Sfnl ON/OFF Solf ON/OFF Slots nnn Mode Packet Default Start n Srxall ON/OFFSTatus Status Stop n Streamca ON/OFF Streamsw n Streamdb OnoffThis is a test Timedmin n Mode Mailbox Default Timedcmd text string Mode Mailbox DefaultMailbox String- max 119 chars KV7BCQ,KF7B*this is a test message TRace ON/OFF Mode Pactor Default OFFTrace ON/OFF Trflow ON/OFF ModePacket Default OFF Tuneproc Tries n Mode Packet Default NoneTune Tvhsync ON/OFF Tvbreaks n Mode Sstv Default see belowMode Sstv Default OFF Tvmode n Mode Sstv Immediate Command TVX ON/OFF Txdelay n Mode Packet Default Txdelayc nnn TXDelay n Mode Pactor Default 2 60msTxdelayc = Radio-PTT-delay-time / Time-per-character Baud Rate Time-per-character Txdiddle ON/OFF Txinvert ON/OFF Txtmo n Mode Packet DefaultTxflow ON/OFF U2 UNproto Txuiframe ON/OFFU1 UNproto Unshift ON/OFF URepeats nn Mode Pactor DefaultUsers n Mode Packet Default Defaults Nibble Tone Visticks nnnn Mode Sstv Default0 Weight n Mode CW Default WAitdisc nn Mode Pactor DefaultWdmode ON/OFF WRU Xmitok ON/OFF Xoff n Mode All Default $13 XON n XOff nnXOn nn Was BbRAM loaded with defaultsPacket Messages Too many packets outstanding MFJ-1278B MULTI-MODE System Messages? Expected bank n....x Message saved ?bad Command Mode Error Messages?call ?clock not set ?VIA Link Status Messages Connect requestcall1 VIA call2,call3...,call9 Connected to call1 VIA call2,call3...,call9Callsign busy Frmr frame just sent Frmr sent LINKOUTOFORDER, possible datalossopt.daytime stamp Frmr rcvd MFJ-1278B MULTI-MODE Hardware MFJ-1278B Specifications General Description Power RequiredBbRAM Protocol Dividers and Baud-rate Generator Detailed Circuit DescriptionOscillator Serial Interface CPU Complex Modem Watch-dog TimerPower Supply RS-232C Handshaking Protocol MFJ-1278B MULTI-MODE Hardware Jumper # Position Function MFJ-1278B MULTI-MODE Hardware Jumper Functions JMP17 JMP16JMP18 JMP19 Jmpc JmpbJmpd Jmpe Printer Port Pin # Pin Function Parallel Printer Port PIN FUNCTION,J12 J5 Pin # Pin Function J13 Pin # Pin Function External Modem Interface Connector J14 Pin 1 Carrier Detect Input MFJ-1278B MULTI-MODE Hardware Modem Disconnect HEADER, J4Pin 2 Carrier Detect Output Pin 3 SIO Special Interrupt Input Pin 6 Transmitter Key Input Pin 5 SIO RTS OutputPin 7 Connect Status Output Pin 8 Unacknowledged Packets Pending Status Output HF Tuning Indicator General Tests MFJ-1278B MULTI-MODE Troubleshooting Assembly Problems Obvious Problems Cabling Problems Specific SymptomsSymptom TNC appears dead Oscillator and Reset Circuits Symptom Modem wont calibrate or key transmitter Symptom MFJ-1278B wont sign on to the terminal Terminal Interface TroubleshootingSymptom Uncopyable transmitted or received packets Symptom The MFJ-1278B signs on OK but wont accept commands Data Link Layer Physical Layer Hdlc Frames MFJ-1278B MULTI-MODE Packet Radio Protocol AX.25 Level TWO Code Abbrv Frame Type REJ RNRSabm DiscPage Channel Flow Control Table A-1HOOKUP for Specific Radios MFJ-1278B MULTI-MODE Appendix a Radio Hookup Table A-1.2Other Radio Connections MODULATOR/DEMODULATOR Frequency Calibration MFJ-1278B MULTI-MODE Appendix B Modem CalibrationCalibration Method Test equipment needed Multilevel xmit...1900 2250 Hz 70 Multilevel demod 307 154KHz 1550 Hz 106Demodulator Alignment R79 Calibration Procedure = INT 525000 / Flow + Comprehensive Alignment ProcedureSet Modulator Tones Using Built-in Calibration Software = INT 525000 / Fhigh + Demodulator Center Frequency Alignment Alignment Procedure Tuning Indicator Alignment MFJ-1278B MULTI-MODE Appendix B Modem Calibration MFJ-1278B Adjustment Location Map Calset # Calset Values for Various Modulator Tone FrequenciesPage Detailed CW Demodulator Alignment Procedure MFJ-1278B MULTI-MODE Appendix B Modem Calibration MFJ-1278B MULTI-MODE Appendix B Modem Calibration Cali CR Audio Output Level Adjustment Procedure Radio 2 CR MFJ-1278B MULTI-MODE Appendix C Audio Output First Method Noise Average Frequency MFJ-1278B MULTI-MODE Appendix D HF Radio HF Radio Alignment Fc = Flow+Fhigh/2 Page MFJ-1278B MULTI-MODE Appendix E Converting to TNC-2 Mode VP,2400 CR BPS Packet Setup BPS Transmit Audio Setting BPS Receive Audio SettingMFJ-1278B MULTI-MODE Appendix F 2400 BPS Packet CN-6 Jumper Position Transmit Audio Range no load JMP14 JMP13 Jmpa MFJ-1278B MULTI-MODE Appendix G Jumper Functions Jmpz Fig. G-1 Jumper Connector Location Acktime MFJ-1278B MULTI-MODE Appendix H Command Summary BLP Conperm Deadtime FEC Lfignore Mrpt Pactime Retry Timedmin Users RESISTORS, 1/4 WATT, 5% MFJ P/NDescrpition Component ID RESISTORS, 1/8 WATT, 1% MFJ-1278B MULTI-MODE Appendix I Parts List Trim POT Single TURN, Miniature TRIMPOTS, Bourns or EqualPOT 17MM Single TURN, PCB Mount Capacitors MULTI-LAYER, Monolithic Ceramic Capacitors Electrolytic Capacitors MYLAR, 50V/100V ICS Capacitor Other TypesIC Sockets LOW Profile Do not use 74HCT14 for these ICs Transistors DIODES/LEDS Voltage Regulator Connectors Miscellaneous Display PC Board Assembly For Installing CoverGrayscale PC Board Assembly Mounting NUT for R131 Addition Parts for MFJ-1278BT only BOM for Display PC Assembly P/NThis is to Insure Good Contact with Chassis Reduce EMI Trimpot 15 Turns, Bourns or Equal BOM for Grayscale PC Assembly P/NResistors 1/8W, 1% Capacitor Electrolytic Descrpition Component ID Capacitor Monolithic CeramicIC Sockets ICs RESISTOR, 1/4 WATT, 5% RESISTOR, NETWORK, SINGLE-ON-LINE, Isolated RESISTOR, 1/8 WATT, 1%RESISTOR, Trim POT, Single TURN, MINIATURE, Horzontal Capacitors Disc Ceramic Diodes CENTER, Right Angle JMP 14B POS. Header CENTER, TOP ENTRY,10 POS CN1 Dual ROW Socket ConnectorCENTER, 3 POS. Header POS. Shorting Jumer for CN6 MFJ-1278B MULTI-MODE Manual Index Manual Index Autotrac 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 Cwspeedm CW KEY-IN MFJ-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