Owon HDS25 - Default Setting; USB Connection; Factory Settings

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The description of the menu is as follows:
Function
Menu
Setting
Description
Language
Set the menu language.
Shutdown
Time
10 min
30 min
60 min
Unlimited
Set the automatic shutdown time. Unlimited
means no shutdown. Please pay attention to this
setting if you use the battery only.
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Enter the next menu
About
After pressing this key, the instrument model,
serial number, version, and checksum can be
displayed.
Upgrade
To upgrade the system. The version of the
upgrade package must be higher than the
version of the instrument itself.
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Return to the previous menu
 Default setting
Press the System key to enter the system setting menu. Select F3 "Default
setting", the screen will prompt "Press < F3 >for default setting Otherwise
press the Return key". If you need to perform the default setting, press F3
again to complete the default setting, otherwise, press the return key.
 USB Connection
Press the System key to enter the system setting menu. Select F4 to enter the
next page. Press F1 to select HID or MSC.
1) MSC [Mass Storage Class] is used to make USB read the files stored in
the built-in memory.
2) HID [Human interface Device] is used to select the oscilloscope device as
the host computer to control and communicate with the computer.
 Factory Settings
To set the factory settings, press the System key. Press the menu selection
key F4 to enter the next page. Select F2 "Factory setting", the screen will
prompt "Press < F2 >for factory setting Otherwise press the Return key". If you
need to perform the factory setting, press F2 again to complete the factory
setting, otherwise, press the return key.