Ocean Optics ADC1000-USB - Manual (Page 23)

Troubleshooting
Serial Port Number is Unclear
Issue:
The serial port used by the ADC1000-USB is unclear, or the serial ports on the PC are not
numbered.
Probable Cause:
Not Applicable
Resolution:
Follow the appropriate steps below for your operating system to identify the serial port number:
Windows 95/98/Me
• Right-click on My Computer
• Select Properties
• Click on the Device Manager tab
Windows 2000/XP
• Right-click on My Computer
• Select Properties
• Select the Hardware tab
• Click on the Device Manager button
Windows NT
• Click the Start button
• Select Programs
• Select Administrative Tools (common) NT diagnostics.
Double-click on Ports (COM & LPT) to display the COM port numbers. Ensure there is no yellow
or red warning sign next to the COM Port you are attempting to use.
ADC1000-USB Operating Instructions 20
Note: If the ports on your PC are not labeled and you don’t know the COM port you are using
for your ADC1000-USB, you may have to resort to trial and error. If you choose the
wrong serial port number, you will not see a dynamic trace responding to light near the
bottom of the displayed graph. Instead, you will see a straight line at 0 counts.