Focus V - Perkins Keys appear unresponsive or locked out

Focus V - Perkins Keys appear unresponsive or locked out

Problem

A Focus user encounters a problem where the perkins keys on the top of the Focus display appear unresponsive or locked out.

Resolution

The Focus display features an input lock feature which may be responsible for the problem.  With the input lock engaged the Perkins-style keys on the top of the display are locked to prevent accidental operation to prevent unwanted input.

Setting Focus input lock

  1. Press the Power button to display the status information and then simultaneously press a Cursor Router and the left Mode button.  To indicate that the keyboard is locked, DOTS 2-3-4-6-7-8 and DOTS 1- 3-5-6-7-8 will be displayed in two cells toward the right end of the display, just before the connection status.
  2. Press any other control to return to normal operation. Once locked, pressing DOTS 1 through 8 or the SPACEBAR will no longer send keystrokes through to the computer.


Unlock Focus keyboard

  1. Press power button.
  2. Hold down cursor routing button above first cell.
  3. Press the right mode button - the circular button on the right hand side of the braille display.
  4. Let go and it should unfreeze the input keys.