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 MFJ-557.pdf  
ITEM NO : MFJ-557
BRAND : MFJ
PRODUCT NAME : MFJ-557 Practise Morse Key
Description
  • Deluxe Morse Key & Oscillator for Code and Sending Practice
  • Practice Oscillator features in a Morse straight key on a non-skid heavy steel base  
  • Practice sending code at home, work, riding in your car - practically anywhere.
  • Built-in speaker.
  • Adjustable contacts. 
  • Volume control adjusts from barely audible to blaring full sound
  • Tone control gives you a wide adjustment from high "squeaky" to low "booming" tones.
  • Earphone jack for private listening times.
  • External speaker plug in applicable
  • 9V battery operates.
  • 8 1/2 x 2 1/4 x 3 3/4 inches 
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