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MFJ-441 Instruction Manual

SlimLine Econo Keyer

7

Morse Code Character Set

A

di-dah

·–

B

dah-di-di-dit

–··–

C

dah-di-dah-dit

–·–·

D

dah-di-dit

–··

E

dit

·

F

di-di-dah-dit

··–·

G

dah-dah-dit

––·

H

di-di-di-dit

····

I

di-dit

··

J

di-dah-dah-dah

·–––

K

dah-di-dah

–·–

L

di-dah-di-dit

·–··

M

dah-dah

––

1

di-dah-dah-dah-dah

·––––

2

di-di-dah-dah-dah

··–––

3

di-di-di-dah-dah

···––

4

di-di-di-di-dah

····–

5

di-di-di-di-dit

·····

N

dah-dit

–·

O

dah-dah-dah

–––

P

di-dah-dah-dit

·––·

Q

dah-dah-di-dah

––·–

R

di-dah-dit

·–·

S

di-di-dit

···

T

dah

U

di-di-dah

··–

V

di-di-di-dah

···–

W

di-dah-dah

·––

X

dah-di-di-dah

–··–

Y

dah-di-dah-dah

–·––

Z

dah-dah-di-dit

––·–

6

dah-di-di-di-dit

–····

7

dah-dah-di-di-dit

––···

8

dah-dah-dah-di-dit

–––··

9

dah-dah-dah-dah-dit

––––·

0

dah-dah-dah-dah-dah

–––––

Period

[.]

di-dah-di-dah-di-dah

·–·–·–

AAA

Comma

[,]

dah-dah-di-di-dah-dah

––··––

MIM

Question Mark or Request for Repetition

[?]

di-di-dah-dah-di-dit

··––··

IMI

Fraction Bar or Slash Bar

[/]

dah-di-di-dah-dit

–··–·

DN

End 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-di-dit

–––···

OS

Apostrophe

[']

di-dah-dah-dah-dah-dit

·––––·

WG

Quotation Mark

["]

di-dah-di-di-dah-dit

·–··–·

AF

Hyphen or Dash

[-]

dah-di-di-di-di-dah

–····–

DU

Underline

[_]

di-di-dah-dah-di-dah

··––·–

IQ

Dollar Sign

[$]

di-di-di-dah-di-di-dah

···–··–

SX

Left Parenthesis or Go Only

[(]

dah-di-dah-dah-dit

–·––·

KN

Right Parenthesis

[)]

dah-di-dah-dah-di-dah

–·––·–

KK

Wait or Stand By

di-dah-di-di-dit

·–···

AS

Understood

di-di-di-dah-dit

···–·

SN

Starting Signal

dah-di-dah-di-dah

–·–·–

KA

Error

di-di-di-di-di-di-di-dit

········

HH

Paragraph

[¶]

di-dah-di-dah-di-dit

·–·–··

AL

Invitation to Transmit or Go Ahead

dah-di-dah

–·–

K

Signals Used In Other Radio Services

Interrogatory

di-di-dah-di-dah

··–·–

INT

Emergency Silence

di-di-di-di-dah-dah

····––

HM

Executive Follows

di-di-dah-di-di-dah

··–··–

IX

Break-in Signal

dah-dah-dah-dah-dah

–––––

TTTTT

Emergency Signal

di-di-di-dah-dah-dah

···–––

SOS

Relay of Distress

dah-di-di-dah-di-di-dah-di-dit

–··–··–··

DDD

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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