natus Grass S88X, User & Service Manual

Page: 56 / 64

9-56
Chapter 9
Troubleshooting & Maintenance
f
ield
s
oftWare
u
Pgrade
Field firmware changes can be made via the USB interface. Follow the steps
below:
1. Locate a Windows PC with USB 2.0 interface.
2. Copy the S88Xusb.sys file (on distributed media) into the
windows/system32/drivers directory.
3. Turn on the S88X. When it is finished booting, connect the USB port
on the rear panel of the S88X to the PC USB port.
Note:
The connecting cable must be a USB 2.0 type. It will have the cable
type printed on the cable.
4. The
New Hardware Wizard
should start and request a
*.inf file
. The
S88Xusb.inf file will be on the distributed media. Press
browse
and
navigate to the media, then select the S88Xusb.inf file. Press OK to finish
the installation.
Note:
Steps 2 and 4 only need to be done once. After that, the PC will
recognize the S88X automatically.
5. Start application S88XUPGRADE.exe (on distributed media).
6. Click on Start Upgrade button. The application will find the S88X,
download the new firmware and the S88X will restart using the new
firmware.