Dräger Alcotest 4000 Instructions For Use Manual page 11

Menu option
Date & time
Contrast
Speaker
Description
Date, time as well as date
format (yyyy/mm/dd, yyyy-
mm-dd, mm/dd/yyyy,
dd.mm.yyyy) and time format
(12h, 24h) can be adjusted.
The submenu can be left via
the Back option.
The display contrast can be
adjusted within 5 levels.
Any acoustical signals of the
device can be turned off or to
a volume of 50 % or 100 %.
Interaction instruction
 Select an option by
moving the cursor to the
option by briefly pressing
the button. Afterwards,
enter this option by
holding the button for
2 seconds.
 Change a setting or a set
number by briefly
pressing the button (e.g.
shifting the time).
 Confirm a selection by
holding the button for
2 seconds.
 Select the Back option
and hold the button for
2 seconds to leave the
submenu.
Change the setting by

briefly pressing the
button.
Hold the button for

2 seconds to confirm the
setting and leave the
submenu.
 Change the setting by
briefly pressing the
button.
 Hold the button for
2 seconds to confirm the
setting and leave the
submenu.
en
Use
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