T&D RTR-50, Manual

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103
Troubleshooting
˭
: The computer won 't communicate via the Serial Port. What should
I do?
˝ : Try two or three times to fi nd the port connection by using the Auto-
detect function.
˝
: Check to make sure that the power of the main unit is ON.
˝
: Check to make sure that the connection is proper. Communication will
take place only through the serial port (RS-232C) and will not work
through the printer port or any other port.
˝
: Check to make sure that you can control the Thermo Recorder via the
software.
˝ : If you have access to another computer, try seeing if communication
works with the other computer.
˝
: If you have a computer with energy saving function settings, make sure
that the serial port has not been turned off. Especially on NEC brand
PC98 notebook computers the default setting maybe such.
˝
: Check to make sure that the serial por t has not been rendered
unusable by the BIOS setting.
˝
: Make sure that the serial port setting has not been made to render the
port unusable. With some computers, especially all-in-one computers
the serial port serves as the modem jack.
How to check
1.
View in the Device Manager Window.
For Windows XP or 2000
1.On the Desktop, right click on [My Computer] and click on [Properties].
2.In the System Properties Window, click on the [Hardware] Tab, then
click on the [Device Manager] button to view the Device Manager
Window.