User's Manual
Setting the Clock
This unit has a Daylight Saving Time (DST) Switch located under the battery compartment 
door. By default it is set to Auto and will automatically adjust the clock at the start and end of 
daylight saving time. If your location does not observe daylight saving time, move the switch 
to the -1 position before setting the clock. 
1.  Press and hold the Sleep/Clock Adjust Button for 2 seconds until the clock 
display flashes and a beep sounds.
2.  Press the or Buttons to adjust the clock to the current time (hold for 
rapid setting). Make sure you set the correct AM/PM time. The AM and PM 
indicators appear to the left of the display. 
3.  Press the Sleep/Clock Adjust Button to confirm the time. The year will flash on the display. 
4.  Press the or Buttons to adjust the clock to the current year (hold for 
rapid setting). 
5.  Press the Sleep/Clock Adjust Button to confirm the year. The date and month will flash on 
the display. 
6.  Press the or Buttons to adjust the clock to the current date and month 
(hold for rapid setting).
7.  Press the Sleep/Clock Adjust Button to confirm the date and month and exit clock setting 
mode. 2 beeps will confirm clock setting is complete. 
TIP: To toggle the clock display between standard 12 hour time and 24 hour (“military”) time 
display, press the Alarm Button or Alarm Button while the display is flashing during 
clock setting.
Setting and Using the Alarms
This unit features dual alarms which can be set to dierent times and alarm sources. Each is set 
in the same way. Instructions are given as “Alarm Button”; use Alarm Button or Alarm 
Button to set respective alarms.
Note: Each step must be completed while display is flashing or step will time-out with any 
changes saved.
P8
7
Using the iWBT400
3/01/2017










