Dräger Alcotest 6820 - Intended Use; Device Symbols and Displays; Device Symbols; Keys

Dräger Alcotest 6820 23
Description
2.2 Intended use
The Dräger Alcotest
®
6820
1)
is used to quickly measure the alcohol
concentration in a person's breath. The device is suitable for portable
and battery-powered operation.
2.3 Device symbols and displays
The measured breath alcohol value is specified in the basic device
setting, in the unit of mg/L (= milligrams of ethanol per litre of breath).
The device can be converted to all common units of measurement.
2.3.1 Device symbols
In these Instructions for Use a number of symbols are used in
accordance with the message on the display of the device.
Battery symbol
Indicates the batteries' state of charge:
Battery full
Battery 2/3 full
Battery 1/3 full
Battery empty
2.3.2 Keys
OK key
Confirms entries or selected functions.
Key for switching the device on and off.
UP and DOWN key
Setting values and selection of menu functions.
1) Alcotest
®
is a registered trademark of Dräger.
NOTICE
The symbols on the name plate and on the dust guard of the
charging and communication socket have the following
meanings: Attention, read the Instructions for Use! Please
refer to the Instructions for Use before changing the battery.
i
i
OK
M