Prerequisites

  1. To avoid problems during instrument control, USB specific power saving options must be turned off.

Procedure

  1. From the Control Panel, open Hardware and Sound.
  2. Click Device Manager.
  3. Expand the Universal Serial Bus Controllers node.
  4. TIP

    On some systems, Universal Serial Bus Controllers may be called USB Controllers.

  5. Right-click the USB Root Hub or Generic USB Hub (multiple instances of each are possible) for which you want to change the power savings options.
  6. Click Properties.
  7. In the USB Root Hub (or Generic USB Hub) Properties dialog box, click the Power Management tab.
  8. Clear the Allow the computer to turn off this device to save power option.
  9. Repeat steps 4 to 7 for all remaining USB instances.

NOTE

For instruments controlled by LAN, power management of the LAN card that controls the instrument must be disabled. This is achieved by performing steps similar to those described above.