EC-442  (650-0847)           Specifications             Faxback Doc. # 8512

Data storage..........................Storage and recall of telephone, memo
                                                    schedule, reminder data
                                          calendar display; mark protection
                                secret area; editing; memory status display
Clock
World time...................................................reminder alarm
                                                schedule alarm; daily alarm
Accuracy under normal temperatures.....................+/-3 seconds average
Calculation................................10-digit arithmetic calculations
                         arithmetic constants (+,-,x,-); independent memory
                                        percentages; square roots; 20-digit
                                          approximations; data calculations
                                                   other mixed calculations

General
Display element......................................16-column x 4-line LCD
Memory capacity...........................................64KB (61622 bytes
Main component..........................................................LSI
Power supply.......................3 lithium batteries (CR2032, Radio Shack
                                                         Cat. No. 230-0162)
Power consumption.....................................................0.05W
Battery life.............................Approximately 280 hours continuous
                                           operation in Telephone Directory
                                      approximately 240 hours repeating one
                                  minutes of display in telephone directory
                                 approximately 12 months for memory back up
Auto power off................................Approximately 6 minutes after
                                                         last key operation
Operating temperature........................32 deg F - 104 deg F (0 deg C-
                                                                  40 deg C)
Dimensions
  Unfold.............................3/8x55/8x61/2 inch HWD (8.9x141x157mm)
  Folded..........................1/2x55/8x31/8 inch  HWD (12.4x141x80.5mm)
Weight........................................................3.9 oz (110g)

(RLR-10/22/93)