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DSO138mini Firmware

Firmwares for DSO138mini

Version Revision History
113-13810-116 [ 2020.11.21 ]

  • Fixed the bug that caused incorrect trigger position.
  • When time base is 50ms/div or slower the capture buffer is cleared each time the time base is changed. This is to make sure the captured data reflect the time base setting.
  • Added an independent volt-meter that displays the DC voltage (positive only) of PA7 pin. The readout is displayed at the top-right corner of the screen. The range of the
    volt-meter is 0 — +13V. The volt-meter can be used for monitoring battery or other purpose. To use this feature some modifications are required. Please see this design note .
113-13810-115 [ 2020.11.12 ]

  • The input of external trigger was changed to PA8 pin. It can be accessed through the test signal output terminal. When external trigger is selected the test signal will be turned off
    automatically. The test signal output terminal will become input. The voltage range of the external input is 0 – 3.3V. If greater range is required a protective resistor must be added in
    series with the input. For example, adding an 1K resistor in series with the input can increase the voltage range to 0 – 15V.
  • Remove the display of trigger states.
  • Made change to the factory default restore function. The vertical position correction values will not be cleared when the factory defaults are restored.
  • The trigger level indicator and its value will not be displayed when external trigger is chosen.
  • Fixed some minor bugs.
113-13810-111 [ 2020.05.09 ]
Added the feature that restore all settings to factory default if SEL button is held down at power up.
113-13810-110 [ 2018.12.27 ]
First release version.

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