TESTO 6681 Instruction Manual page 78

testo 6681 Ethernet
78
Contrast

The brightness difference between the display background and the
displayed values is changed.
Edit/select parameter with  or , confirm with SET or cancel entry
with ESC (the effect of the change in parameter can be seen during
input).
Backlight on 24 h

Using  or  select On or Off and confirm with SET.

Off: The display light switches off automatically if no button was

On: The display light is activated
3 Go back to Display Settings by pressing ESC and continue to
Language using  or .
 Selecting language
You can select the language for the plain text line in the display.
▪
Press SET, select required language with  or , confirm selection
with SET and return to Language.
 Editing H
This menu is only used to parameterize humidity measurements in H
atmospheres (e.g. in sterilization processes) and determines whether
°Ctm,°Ftm or %rFm is the output parameter.
4 Select H
selection with SET.
The selection H
in the submenu describes whether H
evaporation or is actively evaporated in the process.
5 Select H
using  or  and confirm with SET.
6 Editing proportion by weight of H
weight in the liquid end solution): Scroll one digit to the right using
, increase value of digit by 1 using . Confirm with SET or abort
entry with ESC.
- 1.4 Operation
pressed for 30 seconds.
Only choose a language that you can understand well.
O proportion by weight (optional with 3rd analog output)
2 2
Weight Proportion using  or  and confirm
O
2 2
O passively vaporized or H
2 2
O passively vaporized or H
2 2
O actively vaporized
2 2
O is created through
2 2
O actively vaporized
2 2
O in % (% H O
2 2 2
O
2 2
proportion by
2