MFJ Enterprises MFJ-481 Owner's Manual

Grandmaster memory keyer

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Summary of Contents for MFJ Enterprises MFJ-481

  • Page 2 2. The MFJ-481 comes with a 110 volt AC adapter. First plug the adapter into the sub miniature jack on the rear panel and then plug the adapter in the 110 VAC wall socket. It is not necessary...
  • Page 3 3. During portable use when 110 VAC is not available, plug external batteries of 12-15 VDC into the power jack on the rear panel. The tip of the sub-miniature plug is positive and the sleeve is ground, for external batteries. 4.
  • Page 4 the dot side in. When using squeeze key and with both paddles squeezed together, the iambic operation feature allows sending of alternate dots and dashes. The first contact determines whether a dot or dash occurs first. II. MEMORY OPERATION A. Recording 1.
  • Page 5 MFJ-481 COMPONENTS LOCATION DIAGRAM...

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