Review Subsystem Keypad
   +-------------+-------------+-------------+-------------+
   | PF1         | PF2         | PF3         | PF4         |
   |    GOLD     | HELP KEYPAD |             |             |
   |             |    HELP     |             |             |
   +-------------+-------------+-------------+-------------+
   | 7           | 8           | 9           | -           |
   |  SHOW/DIF   |  SHOW/RES   |  SHOW/BEN   |  SHOW/SUM   |
   |  PRINT/DIF  |  PRINT/RES  |  PRINT/BEN  |             |
   +-------------+-------------+-------------+-------------+
   | 4           | 5           | 6           | ,           |
   |  PRINT/NOW  |   INSERT    |   UPDATE    |    SPAWN    |
   |             |             |             |  ATTACH/PAR |
   +-------------+-------------+-------------+-------------+
   | 1           | 2           | 3           | ENTER       |
   | NEXT/UNSUCC |  NEXT/NEW   | NEXT/UPDATE |             |
   | BACK/UNSUCC |  BACK/NEW   | BACK/UPDATE |             |
   +-------------+-------------+-------------+             |
   | 0                         | .           |             |
   |            NEXT           |    FIRST    |             |
   |            BACK           |    LAST     |             |
   +---------------------------+-------------+-------------+