PCSGU250 FAQ

Downloading Drivers and Software

1. Go to http://www.vellemanusa.com/us/enu/download/files/
2. Download the files 'pcsgu250_drivers.zip' and 'pclab2000lt_v1_09.zip ' under the 'PCSGU250: PC Scope and function generator combi (USB)' header
3. Unzip (Right Click -> Extract All) the pcsgu250_drivers.zip you just downloaded into an easy-to-find location
   • IMPORTANT: Follow the instructions below to install the drivers.
4. Unzip (Right Click -> Extract All) the pclab2000lt_v1_09.zip and install the software.

Installing Drivers

XP

1. Plug in the USB Oscilloscope
2. Open Device Manager (Control Panel -> Device Manager)
3. In the list under 'Other Devices' you should see a PCSGU250 device with a yellow question mark next to it.
4. Right click this device and choose 'Update Driver'
5. In the Hardware Update Wizard, select "No, not this time"
6. Choose "Install from a list or specific location"
7. Check the "Include this location in the search" box and click on 'Browse'
8. Click on 'Browse' and navigate to the folder location where you unzipped the driver software and select the PCSGU250Driver_USB folder
   • Make sure that 'Include Subfolders' is checked
9. If you get a dialog window popup, select 'Install this driver software anyways'
10. You should now see a PCSGU250 Device in your Device Manager list

Vista/Windows 7

1. Plug in the USB Oscilloscope
2. Open Device Manager (Control Panel -> Device Manager)
3. At the top of the list, right click on your computer name and select 'Scan for hardware changes'
4. In the list under 'Other Devices' you should see a PCSGU250 device with a yellow exclamation mark next to it.
5. Right click this device and choose 'Update Driver Software...'
6. In the Update Driver wizard, select 'Browse my computer for driver software'
7. Click on 'Browse' and navigate to the folder location where you unzipped the driver software and select the PCSGU250Driver_USB folder
   • Make sure that 'Include Subfolders' is checked
8. If you get a dialog window popup, select 'Install this driver software anyways'
9. You should now see a PCSGU250 Device in your Device Manager list

Uninstalling Drivers

1. Plug in the USB Oscilloscope
2. Open Device Manager (Control Panel -> Device Manager)
3. At the top of the list, right click on your computer name and select 'Scan for hardware changes'
4. Right click on the PSCGU250 device and select 'Uninstall'
   • Make sure that 'Delete the driver software for this device' is checked
5. Repeat step 3 and check that you see the PCSGU250 under 'Other Devices' with a yellow exclamation mark next to it
6. Follow directions for installing drivers

Troubleshooting

Bode Plot Hangs

When running on a 64-bit machine, you must install the PCSGU250Driver_WinUSB driver, not the PCSGU250Driver. If you have accidentally installed the PCSGU250Driver, follow the directions for uninstalling and installing drivers