UNI-T UT 4000 Series Manuel d'utilisateur télécharger pdf (Page 84)

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UT4000 User Manual

3. The USB device is removed before upgrade begins.

If the USB device is removed when the update document is being read before

commencement of upgrade, the following prompt will appear : “USB device has

been removed! Please reboot.” To resume normal operation, power on the

oscilloscope with the USB device unplugged.

Figure 5-10 USB device is removed before upgrade

4. Incorrect upgrade document

If the upgrade document on the USB device is incorrect, update will fail upon

selecting the upgrade document by pressing [F5] (Figure 5-2). You will see the

prompt : “Incorrect upgrade document”. Save a correct document on the USB

device and repeat the previous steps for upgrade.

Figure 5-11 Incorrect upgrade document

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UNI-T UT 4000 Series Manuel d'utilisateur Page 84