QA-ES III
Getting Started Manual
12
Device Manager
The Device Manager is a PC program that changes COM
port settings. Access the Device Manager according to
your operating system, usually one of these methods:
• From the Control Panel, select Device Manager.
• Select Hardware and Sound and then select
Device Manager (under Devices and Printers).
Table 4 describes the functions of the Device Manager.
Note
While the Device Manager on the PC can set
COM port options, the controlling program
overwrites the Device Manager settings.
Table 4. COM Port Controls
Function Steps
Enable the
driver
1. Right-click USB Serial
Converter and select
Properties | Advanced.
2. Select Load VCP and click OK.
3. Click OK. The COM port shows
in the Device Driver.
Table 4. COM Port Controls (cont.)
Function Steps
Verify COM port
settings
1. Right-click the COM port.
2. Select Port Settings and
check the settings.
Change the
COM port
number
assigned by
Windows:
1. Right-click the USB Serial Port
(COMx) and select Properties
| Port Settings | Advanced.
2. Select the number from the
COM Port Number menu and
click OK.
3. Scan for hardware changes.
The device list shows the new
COM port number.
If the COM port number is in use,
the number could be assigned to
an unused device. Click through
the error message to use the
number.