6-2 Software Upgrade and Maintenance
6.2 System Software Installation/ Restoration
6.2.1 Restore the Operating System and Doppler
6.2.1.1 Preparation before Restoring
1. Back up preset data and patient data.
2. USB disk requirement:
a) Volume of USB disk should be more than 2G.
b) The system supports only FAT or FAT32 format USB disk.
c) If there are many drives in USB disk, installation may fail.
d) Disconnect the extra USB devices to the machine.
6.2.1.2 Method
The operation system (“OS” for short) adopts Linux kernel and uses USB disk to install. You
can install the ultrasound software to the hardware when installing the operation system.
1. Copy files of the system restoration package (including operation system and Doppler) to USB
disk root, and make sure that all the files of Doppler restoration package are within the Doppler
file.
Back up the patient data and preset data before restoring the
system.
Do not cut off, shut down or restart the system during system
restoring.
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