--- title: Which measures would be necessary for the periodical maintenance? description: Hatteland Technology's recommendation for Power-up a stored monitor is as follows --- [![Hatteland Technology](https://www.hattelandtechnology.com/hubfs/h-logo.svg "Hatteland Technology")](https://www.hattelandtechnology.com/) 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  # FAQ in  [FAQ - Technical](https://www.hattelandtechnology.com/faq/tag/faq-technical) # Which measures would be necessary for the periodical maintenance? Posted on Jan 22, 2020 Hatteland Technology's recommendation for Power-up a stored monitor is as follows: Power up sequence: - Apply current. - Check that the signal source selected is Analog RGB1 in the OSD menu. - Check that the brightness level on the LEDs and back light can be adjusted using the "+" and "-" buttons, or using the potentiometer if this is installed. - Press both hot keys and verify that they are "no function". - Monitor shall run for 2hrs, minimum. Apply any kind of picture. - Turn off the display by pressing the Menu button for about six seconds. - Check that the LEDs are turning one by one for a full circular rotation before the video source menu is displayed. - Once the menu is displayed, all 8 LEDs shall glow red. Hatteland Technology recommends to track such power up by document/checklist. ### Subscribe to Hatteland Technology ###### Follow Hatteland Technology - -