Instructions

DO-400 The product at a glance | 5
B-H86.0.21.DB214-1.0 11 / 29
5 The product at a glance
5.1 The DO-400 / -410
LCD Display DO-400 / -410 DO-400 / -410
5.2 Display elements
Display
Battery indicator Evaluation of the battery status
Unit display Display of units, if applicable, with unstable symbol
or type of mode, min/max/hold
Main display Measurement of the current O
2
value or value for
min/max/hold
Auxiliary display Corresponding temperature for the displayed O
2
value with unit.
Bar graph Progress for calibration and visualisation of the
electrode evaluation
NOTE
The unit display shows a rotating circle segment in the first position as long as the
measurement is unstable, if the position is unoccupied by the unit display.
5.3 Operating elements
On / Off button
Press briefly Switch on the product
Activate / deactivate lighting
Long press Switch off the product
Reject changes in a menu