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Table of Contents
Related Manuals for MFJ CW-Elmer MFJ-419
Summary of Contents for MFJ CW-Elmer MFJ-419
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Page 3: Table Of Contents
Table Of Contents Introduction .....................4 Front Panel Controls................4 Basic Operation ..................5 Normal Operation .................5 Learning Morse Code ................6 MAIN MENU....................7 SEND MENU ..................7 KEY CODE ..................8 ANALYZE...................8 RECEIVE MENU ................11 RANDOM CODES ................11 USB READER..................11 EXERCISE MENU ................12 SETTING MENU.................14 SET WPM ..................14 TIMING MODE.................15 CHARACTER SET................15... -
Page 4: Introduction
The Analyze setting will display your speed and timing to help you to send better code. The Receive mode of the MFJ-419 will send you code to help you to learn the characters. It can send in normal spacing or two Farnsworth speed modes sending the characters faster but spacing to the programmed speed. -
Page 5: Basic Operation
2. Turn on the MFJ-419 by pressing the Power button in. 3. The MFJ-419 will power up and send CQ DE CW-ELMER and the display will display the model number and software version then the MAIN MENU screen. -
Page 6: Learning Morse Code
Receive Menu and the Settings Menu sections. Note any time you exit out of a function the MFJ-419 CW-Elmer returns to the Main Menu. The MFJ-419 CW-Elmer will run on either USB Power or Battery power. -
Page 7: Main Menu
SEND mode of the MFJ-419 the proper spacing can be learned. MAIN MENU When you turn on the MFJ-419 CW‐ELMER it will initialize and enter into the MAIN MENU. Items in all of the CW‐ELMER’s menus are presented sequentially, first to last, pausing for 2 seconds on each item, then loops back to first and repeats. -
Page 8: Key Code
This is the normal code practice mode using a straight key or the KEY button. In this mode any character (alpha, number, or prosign) can be keyed. The MFJ-419 then interprets the keying and displays the characters with correct timing and pauses. If a character is not recognized the display will say *undefined* on the bottom line. - Page 9 ELE Count xx (number of ELEs analyzed) Screen 11 ELE Target xxx (target length) ELE Avrage xxx (average ELE length) Screen 12 ELE Max xxx (maximum ELE length measured) ELE Min xxx (minimum ELE length measured) Version 0 2022 MFJ Enterprises, Inc.
- Page 10 Press the key within 2 seconds of this message to clear the accumulated data, otherwise timing statistics will continue to accrue. After viewing the list the MFJ-419 will return to the MAIN MENU. Version 0 2022 MFJ Enterprises, Inc.
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Page 11: Receive Menu
CW-Elmer. With the text files you can listen to short messages to long books if you desire. To send files and text MFJ-419 must be connected to a PC or tablet computer through a USB cable with a Micro USB-B connector. -
Page 12: Exercise Menu
MFJ-419 screen. WARNING: Serial connections using the USB port must be USB levels only; DO NOT use RS232 level connections that operate at positive and negative 7-10 volts, you could damage the MFJ- 419. Cancel Cancel returns you to the MAIN MENU. - Page 13 The lower line displays this information graphically, with a target shown as ” ‐ < > + “. In this line, the brackets “ < > ” represent the Version 0 2022 MFJ Enterprises, Inc.
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Page 14: Setting Menu
SEND, ANALYZE and in EXERCISE functions. • 5 wpm • 10 wpm • 15 wpm (default) • 20 wpm • 25 wpm • 30 wpm • 35 wpm • 40 wpm • Cancel Version 0 2022 MFJ Enterprises, Inc. -
Page 15: Timing Mode
Display Model and Version Resetting the EEPROM To reset the CW-Elmer EEPROM to default settings turn off the CW- Elmer, hold in the KEY button or hold down the straight key, then turn on Version 0 2022 MFJ Enterprises, Inc. -
Page 16: Battery Installation And Replacement
Place the battery in the cavity and slide the cover back on. When the MFJ-419 is not to be used for some time remove the battery to prevent damage from leaking batteries. - Page 17 “Compiling Sketch” then “Uploading”. When it is finished it will display “Done Uploading” in the IDE. While it is uploading the MFJ-419 will stop the display then when finished start up and run as when powered on. There may be a message indicating low memory available which is normal.
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Page 18: Morse Characters
“ .. -- . - . - .. - . Underline Quotation Mark ... - .. - . -- . - . Dollar Sign Commercial At . - . - . Cross or Plus Version 0 2022 MFJ Enterprises, Inc. -
Page 19: Prosigns
Fine business; excellent Thank Thanks FREQ Frequency Your; you're; you are Good afternoon Good evening Well; will Good morning Watts Good night Weather Hear; here XCVR Transceiver XMTR Transmitter Go ahead Wife (ex-young-lady) Message Young lady Version 0 2022 MFJ Enterprises, Inc. -
Page 20: Some Common Q Signals
Here is the info you requested The distress traffic has ended Send a "?" after a Q signal to ask for information or an action. Example: QRZ: station (call) is ..QRZ?: what is your station (call)? Version 0 2022 MFJ Enterprises, Inc. -
Page 21: Hardware
MFJ-914 CW-Elmer Hardware The original project was designed around an Arduino Nano. The MFJ- 419 is set up to emulate an Arduino Nano with the functions and data lines needed to replicate the functions of the CW-Elmer originally developed by David Duncan K7DUN. With that in mind the firmware can be updated or modified the same way as an Arduino Nano and programmed through the USB port using the standard Arduino IDE. - Page 22 MFJ-914 CW-Elmer Notes: Version 0 2022 MFJ Enterprises, Inc.
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Page 23: Full 12-Month Warranty
PC board product is returned. Wired and tested PC boards installed in the owner's cabinet or connected to switches, jacks, or cables, etc. sent to MFJ Enterprises, Inc. will be returned at the owner's expense un-repaired.
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