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MFJ-869 MFJ Giant automatic SWR/Wattmeter

Instruction Manual

©

2009-2010 MFJ Enterprises, Inc.

13

Note

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Summary of Contents for MFJ-869

Page 1: ...ructions Before Operating Equipment MFJ ENTERPRISES INC 300 Industrial Park Road Starkville MS 39759 USA Tel 662 323 5869 Fax 662 323 6551 COPYRIGHT 2009 2010 MFJ ENTERPRISES INC C Model MFJ 869 VERSI...

Page 2: ...tional handbooks or other official publications The copy of this manual provided to the customer will not be updated to reflect current data Customers using this manual should report errors or omissio...

Page 3: ...WD LED 4 REF LED 4 20 LED 4 200 LED 4 2K LED 4 PEAK LED 4 MODE Button 4 PEAK Button 4 ALRM LED 4 ALARM Button 5 Acknowledgement Beep 5 POWER Button 5 Back Panel 6 Amp Enable In 6 Amp Enable Out 6 Powe...

Page 4: ...MFJ 869 MFJ Giant automatic SWR Wattmeter Instruction Manual 2009 2010 MFJ Enterprises Inc ii FIGURES Figure 1 MFJ 869 Front Panel 3 Figure 2 MFJ 869 Back Panel 6 TABLES Table 1 Failure Messages 9...

Page 5: ...tiveTM peak reading circuit gives true peak or average power on all modes The MFJ 869 includes MFJ s Amplifier Bypass ControlTM This exclusive MFJ feature protects your amplifier by taking your amplif...

Page 6: ...r pin positive RS 232 connector D sub 9 pin RLY connector 3 5 mm stereo phone AMP ENABLE connectors Phono RCA 2 Specifications and design are subject to change without notice or obligation Amplifier P...

Page 7: ...ts forward or reflected power The mid power scale measures 0 to 200 watts forward or reflected power and the high power scale measures 0 to 2000 watts forward or reflected power The power meter defaul...

Page 8: ...0 to 20 watts red for forward power or green for reflected power 200 LED Illuminates when the power scale is 0 to 200 watts red for forward power or green for reflected power 2K LED Illuminates when...

Page 9: ...ber of Beeps SWR 1 5 1 5 1 SWR 2 0 2 0 2 SWR 2 5 2 5 3 SWR 3 0 3 0 4 OFF SET 5 Acknowledgement beep sounds each time a parameter is changed to acknowledge it This also controls the CW notification of...

Page 10: ...rol output Amp Enable Out RCA phono connector for connecting to the amplifier s relay control input Power This jack accepts a standard 2 1 5 5 mm coaxial plug with positive center and negative sleeve...

Page 11: ...ip NC Ring NO Sleeve COM Ground Wing nut terminal for RF ground wire connection Antenna SO 239 connector for coax cable from antenna or dummy load Transmitter SO 239 connector for coax cable from tran...

Page 12: ...functions of the MFJ 869 This routine checks the analog meter the front panel buttons the internal memory the audio circuitry and the power down circuitry During the self test you may stop the test by...

Page 13: ...the 200 LED will turn on steady and a message PD FAIL will send as Morse code repetitively 10 Turn the power off Failure Message LED Indicates ALARM FAIL SWR ALARM button is shorted or improperly con...

Page 14: ...mum reflected power 9 Press MODE button The FWD and 200 LEDs illuminate Key the transmitter to 100 watts output and adjust the FWD trimpot VR1 until the 200 watt scale reads forward power of 100 watts...

Page 15: ...6 Key the transmitter to output about 10 watts Adjust trimmer capacitor VC2 located next to the big integrated circuit until the analog meter needle settles at the 0 watt mark Notice the meter moveme...

Page 16: ...call MFJ Technical Service at 662 323 0549 or the MFJ Factory at 662 323 5869 You will be best helped if you have your unit manual and all information on your station handy so you can answer any quest...

Page 17: ...MFJ 869 MFJ Giant automatic SWR Wattmeter Instruction Manual 2009 2010 MFJ Enterprises Inc 13 Note...

Page 18: ...MFJ 869 MFJ Giant automatic SWR Wattmeter Instruction Manual 2009 2010 MFJ Enterprises Inc 14 Note...

Page 19: ...rvice Department at 662 323 0549 or the MFJ Factory at 662 323 5869 4 This warranty does not apply to kits sold by or manufactured by MFJ Enterprises Inc 5 Wired and tested PC board products are cover...

Page 20: ...MFJ 869 Manual Version 2B Printed In U S A 01 2010 300 Industrial Park Road Starkville MS 39759 MFJ ENTERPRISES INC...

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