7 Using the product
13
6
Flow velocity reading
7
Parameter 2 selected unit
8
Print
/
►
key
9
Illumination
/
MENU/ENTER
key
testo 512-2
1
On/Off
/
MODE/END
key
2
->0<-
/
◄
key
3
Battery indicator
4
Differential pressure reading
5
Parameter 1 unit
6
Print
/
►
key
7
Illumination
/
MENU/ENTER
key