Ritmix AVR-690 Шасси (Main Board): No name — прошивка

AVR690 Update Firmware Step 1. Please format a TF card (at least 2GB), then copy the file FWS198 to the TF card. 2. Please ensure the device AVR690 is not low battery 3. Please insert the TF card with the file FWS198 to the device AVR690, then start up the device AVR690. At this time, the screen is black, and the blue indicator light will flicker. 4. Please wait moment, the device AVR690 will automatic start up after update success. 5. Please take out the TF card from the device, and format it in your computer. If finished step 5, update firmware was finished!