TESTO 425 Instruction Manual page 10

26 5. Operation
4
To set Auto Off:
Configuration mode is opened, AutoOff is flashing.

Select the desired option with
>
with
· on: The measuring instrument switches off
automatically if no button is pressed for 10min (Hold
or Auto Hold is lit).
· oFF: The measuring instrument does not switch
itself off automatically.
5
To set the unit of measurement:
Configuration mode is opened, UNIT is lit.

With
1
(m/s, fpm) and confirm with
With
2
line (m
6
To reset:
Configuration mode is opened, RESET is lit.

Select the desired option with
>
with
· no: Instrument is not reset.
· Yes: Instrument is reset. The instrument is reset to
the factory settings.
- The instrument returns to measurement view.
:
/ set the required unit for the top line
/ set the required unit for the bottom
3
/h, l/s, cfm) and confirm with
:
/ and confirm
.
.
/ and confirm