CAUTION: Make sure you do not lose power during firmware update1. Download the latest OS3 firmware 2. Unzip file (extract files) 3. Read the included ReadMe .txt file to see what changes are included 4. Drag and drop .bin file from download onto your SD card (Must be 16gb or smaller – FAT or FAT32 for Windows, MS-DOS (FAT) for Mac) 5. Remove SD Card from computer or card reader attached to computer 6. Insert SD card into your 503 or 703 UltraBright monitor 7. Turn on your monitor 8. Page left on your UltraBright all the way with the thumb stick to the monitor’s Settings Menu 9. Select firmware update in Settings Menu and follow on-screen prompts 10. Once firmware is installed and the on-screen prompts tells you to reboot your monitor – remove the power source and then re-attach the power source to reboot (power button will not work for this reboot)
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Here is a link to the pin out of our hirose connector- you will need this as a reference when looking at the wiring diagram
https://www.smallhd.com/support/faq/hirose-pin-out543/ring diagram above.