Clatronic AT 3605 Instruction Manual page 37

NOTE:
If no air is exhaled into the sensor during a test run, the display will show "0.0".
Automatic Switch-Off
• The result will be displayed for 10 seconds, afterwards, the display switches to "OFF".
• The tester will switch off after 2 to 3 seconds. The background light of the LCD turns off.
NOTE:
The device will activate the clock time mode after inserting the batteries.
Repeatedly press the MODE button to select one of the following functions:
Clock time
Alarm time
Setting up the clock time, alarm time or countdown timer
1. Press and hold the SET key for 2 seconds. The hour digits will flash.
2. Press the ADJ key to set the hours.
3. Press the SET key. The minute digits will flash.
4. Press the ADJ key to set the minutes.
5. Then press the SET key to confirm the settings.
Clock time in 12- or 24-hour format
Repeatedly press the ADJ key to toggle between 12 and 24 hour display modes. The letter
"P" will appear when selecting the 12-hour format.
Alarm Time
Press the ADJ button to activate or deactivate the alarm time. If activated, "
Once the set alarm time has been reached, a signal will sound. Use the ADJ button to stop
the signal.
Temperature
Press the ADJ key to select the Fahrenheit or Celsius display.
Other functions
Temperature
Countdown timer (counting backwards)
GB
" will appear.
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