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FREQUENCY CONVERTER WITH TEXT EDITOR

  • US 20120072868A1
  • Filed: 09/16/2011
  • Published: 03/22/2012
  • Est. Priority Date: 09/16/2010
  • Status: Active Grant
First Claim
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1. A method for obtaining a symbol string user input via a four-directional control device in a frequency converter, the method comprising:

  • grouping potential symbols into at least two symbol lists;

    treating one of the symbol lists as a current symbol list;

    displaying at least part of at least the current symbol list;

    displaying a cursor indicating one of the symbols in the current symbol list as a current symbol;

    receiving commands via the four-directional control device; and

    based on the received commands, selectively changing the current symbol list to one of the other symbol lists, effecting relative movement between the cursor and the current symbol list, and selecting the current symbol as the next symbol in the symbol string.

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