MFJ SlimLine MFJ-441 Owner'S Manual Download | Manualshive

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SlimLine ECONO KEYER

with MEMORY

MODEL MFJ-441

OWNER'S MANUAL

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Summary of Contents for SlimLine MFJ-441

Page 1: ...SlimLine ECONO KEYER with MEMORY MODEL MFJ 441 OWNER S MANUAL...

Page 2: ...two screws one on each side that secure it Locate jumper JMP 9 and set it to the H position Note Power must be off when changing the jumper settings 5 The Weight control varies the code weight from ap...

Page 3: ...and a negative sleeve should be used to power this unit The MFJ 1312B an optional 12 volts adapter is available from MFJ Enterprises Inc The battery is automatically disconnected when external power...

Page 4: ...e Message button until the keyer plays GO dah dah dit dah dah dah in Morse code and the LED flashes You may now key in the message of your choice As you pause after every word the keyer will play a W...

Page 5: ...serial number reset to 0001 when power on If a different serial number is desired it must be programmed dur ing power up To initialize the serial number press and hold the Message button while turn i...

Page 6: ...JMP 2 Keying Mode D D Direct D G Invalid G D Invalid G G Grid Block JMP 3 Iambic Mode A A B B JMP 4 JMP 5 Leading Zeros L L none L H 0 H L O H H T JMP 6 JMP 7 Other Zeros L L 0 L H 0 H L O H H T JMP 8...

Page 7: ...el 12 Test the Speed control by turning it to full counter clockwise then to full clockwise The LED should blink once at each end 13 Test the Weight and Tone controls in the same way The LED should bl...

Page 8: ...of Message Plus Sign or Cross di dah di dah dit AR End of Work di di di dah di dah SK Double Dash Equal Sign Pause or Break dah di di di dah BT Semicolon dah di dah di dah dit KR Colon dah dah dah di...

Page 9: ...MFJ 441 Instruction Manual SlimLine Econo Keyer 8 Schematic...

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