UNI-T UT 4000 Series Bedienungsanleitung PDF herunterladen (Seite 82)

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UT4000 User Manual

Caution : If upgrade fails due to power interruption, power off the oscilloscope and repeat

all the USB upgrade steps.

Below are some common causes for upgrade failure :

1. No upgrade document.

If there is no document with the suffix “uts”, the following message will appear

when [F5] is pressed after powering on : “Can’t find the valid update file! Please

ensure there is update file on the USB device then restart the operation.”

Figure 5-6 No valid upgrade file

2. The user cancels the upgrade process.

(1) When the oscilloscope is restarted with the USB device plugged in, you can

cancel upgrade by pressing [F1]. To cancel upgrade and operate your

oscilloscope normally, follow the on-screen instructions : “Remove the USB

device and reboot.”

Figure 5-7 Cancel upgrade (1)

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UNI-T UT 4000 Series Bedienungsanleitung Seite 82