Timer Device, 104, 285
  adding a time request, 291
  additional information, 302
  closing, 290
  commands and functions, 286
  device interface, 287
  E-Clock time, 287, 298
  functions, 287
  multiple timer requests, 293
  opening for device functions, 289
  opening multiple times, 293
  opening, 289
  time alarms, 292
  time arithmetic functions, 295
  time delays, 292
  time requests, 287
  units, 288
  uses of time arithmetic, 296