Dräger Alcotest 5820, Инструкция по эксплуатации

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Dräger Alcotest 3820 21
Troubleshooting
21
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4.8 Settings / information
The following optional settings and information can be made or
displayed in the menu:

Measurements

Next service

Date & time

Contrast

Loudspeaker

Accuracy test

Software version

Logon
To display the menu:

Press the button.
To navigate in the menu or make settings:

Press the or button.

Confirm the selected function / input with the button.
To exit the menu:

In the submenus, select the Back menu option.

In the main menu, select the Measuring menu option.
5 Troubleshooting
An error message is displayed in the event of instrument faults. The
number that appears below the message is used for service functions.
If the fault remains after switching on and off several times, contact
DrägerService.