MFJ MFJ-418 - Interface Components and Accessories

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MFJ-418 Pocket Morse Code Tutor Instruction Manual

on CW operating and the history of Morse code, see the book, "Morse Code:

Breaking the Barrier" (MFJ-3400), available from MFJ Enterprises, Inc..

Interface Components and Accessories

Figure 2. MFJ-418 Control Panel.

• Next button: Press to display the next menu or setting.

• Previous button: Press to display the previous menu or setting.

• Select button: Press to select the current menu or setting.

• Off/Volume control: Turns the unit on/off and controls the audio volume

to the speaker and headphones.

• Head Phones jack: A 3.5 mm jack that accepts both stereo and mono

plugs. A set of headphones can be used for privacy. Use of headphones

will disable the internal speaker. An optional foam earpiece earphone, the

MFJ-291I, is available from MFJ Enterprises, Inc..

WARNING: To prevent suffering hearing damage when using

headphones, turn the Volume control to minimum

before putting on the headphones, then slowly adjust for

a comfortable volume.

• LCD display: A 2-line by 16-character alphanumeric display.

• Internal Speaker: An 8-ohm speaker located at the back of the unit. Use

of headphones will disable the internal speaker. An optional external

speaker, the MFJ-281, is available from MFJ Enterprises, Inc..

• Battery: This unit uses a nine-volt battery (not supplied).

• Protective Pouch: The MFJ-26, available from MFJ Enterprises, Inc., is

an optional soft leather pouch custom-made for the MFJ-418. It has a

pocket/belt clip, a clear protective window for LCD display and cutouts for

buttons, control, jack and speaker.