Switching Off The Instrument; Removing The Mouthpiece - Dräger Alcotest 3820 Instructions For Use Manual

4.3

Switching off the instrument

Keep button pressed. The instrument will switch off after approx.

3 seconds.
The instrument will switch off automatically approx. 120 s after the
last use.
Switching off the instrument does not reduce the waiting period
until it is ready to take a measurement!
4.4

Removing the mouthpiece

1. Pull the mouthpiece upwards out of the mouthpiece receptacle.
2. Dispose of the mouthpiece in accordance with local regulations.
4.5 Settings
To display the menu:
1. Briefly press the button. The menu display is displayed.
If the button is not pressed for 3 seconds, return to measurement
readiness.
2. Press the button again briefly (within 3 seconds). The menu is
displayed.
The menu is exited automatically after 30 seconds with the button not
being pressed.
The following settings can be made in the menu:
Measurements

Next service

Date & time

Contrast

Loudspeaker

Language

Software version

en
Use
7