Terminal application settings, Table 4, Default serial interface setting – Vaisala HMT120 User Manual
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User's Guide _______________________________________________________________________
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4.
After the driver has been installed, connect the USB service cable
to a USB port on your PC. Windows will detect the new device,
and use the driver automatically.
5.
The installation has reserved a COM port for the cable. Verify the
port number, and the status of the cable, using the Vaisala USB
Instrument Finder program that has been installed in the
Windows Start menu.
Windows will recognize each individual cable as a different device, and
reserve a new COM port. Remember to use the correct port in the
settings of your terminal program.
There is no reason to uninstall the driver for normal use. However, if you
wish to remove the driver files and all Vaisala USB cable devices, you
can do so by uninstalling the entry for Vaisala USB Instrument Driver
from the Programs and Features menu in the Windows Control Panel.
In Windows XP and earlier Windows versions the menu is called Add or
Remove Programs.
Terminal Application Settings
The default settings of the HMT120 serial interface are presented in
Table 4
Default Serial Interface Setting
Property
Value
Baud rate
19200
Parity
None
Data bits
8
Stop bits
1
Flow control
None
The steps below describe how to connect to the HMT120 using the
PuTTY terminal application for Windows (available for download at
and a USB serial interface cable:
1.
Connect the USB cable between your PC and the service port of the
HMT120.
2.
Start the PuTTY application.
3.
Select the Serial settings category, and check that the correct COM
port is selected in the Serial line to connect to field.
NOTE
You can check which port the USB cable is using with the Vaisala USB
Instrument Finder program that has been installed in the Windows
Start menu.