Software Installation Instructions
6
3. Virtual COM port settings
The following description applies only to testo 174
(0563 1741), testo 175 (0563 1754-1761), testo 177
(0563 1771-1775), testo 580 (0554 1778)
 USB interface/adapter is connected to the computer,
USB-driver and, if necessary, adapter-driver are
installed.
For Windows XP:
1
Select 
Start  >  Settings  >  Control  Panel  >  System  >
Hardware 
> 
Device 
Manager
.
For Windows Vista:
1
Select 
Start 
> 
Control 
Panel 
> 
System 
and 
Security 
>
System 
> 
Device 
Manager
.
For Windows 7:
1
Select 
Start  >  Control  Panel  >  System  and  Security  >
System 
> 
Device 
Manager
.
2
Click on 
Ports 
(COM 
& 
LPT)
. 
-
The entries for this category ar
e displayed.
3
Sear
ch for entries with „Testo ...“ ,followed by a COM
interface number.
You require this COM interface number when you
connect the data logger to the Comsoft software.
The COM interface number only remains the same
if you always connect the USB interface to the
same USB port, or if it is left connected.
3. Virtual COM port settings








