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Terminal application settings, Table 4, Default serial interface setting – Vaisala HMT130 User Manual

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User's Guide _______________________________________________________________________

28 ___________________________________________________________________ M211280EN-B

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 HMT130 serial interface are presented in

Table 4.

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 HMT130 using the

PuTTY terminal application for Windows (available for download at

www.vaisala.com

) and the USB serial interface cable:

1.

Connect the USB cable between your PC and the service port of the

HMT130.

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.

4.

Check that the other serial settings are correct for your connection,

and change if necessary. Flow control should be set to None unless

you have a reason to change it.