MFJ MFJ-1278 Fast Start Manual Download Page 1

Easy-to follow guide to connecting your new

MFJ-1278/1278T Multi-Mode Data Controller

between your radio and computer

CAUTION: Read all Instructions Before Operating Equipment

MFJ ENTERPRISES, INC.

P.O.BOX 494, MISSISSIPPI STATE, MS 39762, USA

COPYRIGHT © 1990 MFJ ENTERPRISES, INC.

Summary of Contents for MFJ-1278

Page 1: ...our new MFJ 1278 1278T Multi Mode Data Controller between your radio and computer CAUTION Read all Instructions Before Operating Equipment MFJ ENTERPRISES INC P O BOX 494 MISSISSIPPI STATE MS 39762 US...

Page 2: ...s of the Fast Start manual Your MFJ Starter Pack consists of terminal Software and a serial cable to connect between the MFJ 1278 and your Computer The Starter Packs available are MFJ 1289 for IBM and...

Page 3: ...8 instruction manual Chapter 2 Computer Interfacing to verify that the cable you are using is cor rectly wired WARNING IMPROPERLY WIRED CABLE COULD DAMAGE YOUR MFJ 1278 AND OR YOUR COM PUTER 1 Connect...

Page 4: ...your Computer C Radio Interface The first step in connecting the MFJ 1278 is to wire a cable to connect the MFJ 1278 Radio Port to the microphone or accessory connector of the radio The radio cable su...

Page 5: ...SK Operation this connection can be made thru the use of the TTL connector in the rear panel of the MFJ 1278 Only two lines Pin 8 FSK and Pin 3 ground are needed in making the FSK connection to your r...

Page 6: ...ad the terminal program and make sure that the terminal program Parameters are set as described earlier 6 Turn on the MFJ 1278 Press the Return key several times in succession MFJ 1278 will sign on wi...

Page 7: ...e set to operate 1200 baud packet d To enter SSTV mode type MODE TV CR MFJ 1278 will be set to operate SSTV in the 8 5 second format Abbreviation for all the MODEs are as follows MODE VP for VHF packe...

Page 8: ...controls are located on the left side of the MFJ 1278 With a small screw driver turn the transmit control fully counter clockwise minimum 5 Slowly turn it clockwise increase until no increase in audio...

Page 9: ...al modem MFJ 2400 can be pur chased and installed Installation is simple your MFJ 1278 is equipped with all connectors neces sary to make this Installation without modification or soldering With the 2...

Page 10: ...nsmit audio on the 2400 board is set by adjusting R38 next to T2 on the 2400 modem board Transmit audio for the 1278T is preset at the factory to match the audio level of the 1200 modem on the MFJ 127...

Page 11: ...e display is in the following format Speed Confidence Factor Speed Data Bits RXInvert On Off A typical result will look like this 80 baud 90 Confidence 75 baud 7 bits RXInvert Off After the result is...

Page 12: ...gnal Note that when using ASA noise will have major effect on the degree effectiveness for ASA V COMMAND UPDATE The following commands have been added since the printing of the MFJ 1278 4th Edition In...

Page 13: ...es the current PIXtones values When n 1 to 9 TXBRight assumes PIXtones values as follows n PIXtones 0 assumes the current PIXtones values 1 BC 98 A8 88 B0 90 A0 80 2 BA B8 A8 88 B0 90 A0 80 3 B9 BA B8...

Page 14: ...it appears that the Station you re working is unable to successfully receive your packets despite your adequate signal This failure of some TNCs to receive TXDIDDLEd packets may be a result of some So...

Page 15: ...this information with the instruction manual of your radio MFJ Enter prises Inc is not responsible for any inaccuracy of the information provided by the diagrams and charts in this instruction manual...

Page 16: ...MFJ 1278 MFJ 1278T Fast Start Manual 15 B 4 pin Microphone Connector...

Page 17: ...MFJ 1278 MFJ 1278T Fast Start Manual 16 C Handheld Radio Connectors...

Page 18: ...MFJ 1278 MFJ 1278T Fast Start Manual 17 D Using the Accessory Jack...

Page 19: ...pin 8 Tip Lg pin 4 pin 6 7 Sleeves YAESU FT 208 FT x09 FT x3 FT 727 4 pin 8 pin HTs HTs HTs HTs pin 2 pin 8 pin 1 Tip Sm pin 3 pin 6 pin 3 Tip Sm Speaker Speaker pin 2 Tip Lg pin 1 pin 7 pin 4 Sleeve...

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