User Guide
Model: WS6821A www.lacrossetechnology.fr Page | 3
Alarm
Bell Icon
FAHRENHEIT/CELSIUS
Press the -/ºC/ºF button to select Fahrenheit or Celsius
temperature display.
SET TIME ALARM
1. Hold the ALARM button to enter alarm time
set mode.
2. To adjust ALARM TIME press the + or -/ºC/ºF buttons.
3. Press the ALARM button to confirm adjustments and move to the
next item.
Alarm Time setting order: 1. Hours, 2. Minutes
ACTIVATE/DEACTIVATE TIME ALARM
Press the ALARM button once to view alarm time.
Press the ALARM button again to activate the alarm.
Once activated the bell icon appears.
Press the ALARM button again to deactivate the
alarm. The bell icon will disappear.
SNOOZE (SILENCES ALARM TEMPORARILY)
When alarm sounds, press the LIGHT/SNOOZE button to silence the
alarm for 10 minutes.
The alarm icon will flash.
In snooze mode, press any button to stop alarm for one day.
Note: The alarm is crescendo sound. The alarm will sound for 2 minutes
and then shut off completely.









