User manual for NV-711, NV-711-Wac 51
9.4
The procedure for recovering the factory settings
Update via recovery:
1.
Copy the firmware file to the root directory of a USB storage;
2.
Connect the USB storage to the USB port of the device. The set top box must be turned off;
3.
Press and hold F function button located on the bottom of the device;
4.
Power up the set-top box while holding F button;
5.
You can release F button after the «Аварийная загрузка» («Emergency boot») message appears
on the screen.
6.
The recovery menu will be displayed:
7.
Select «Восстановление из OTA-zip» («Recover from OTA-zip») → «Обновить с USB-disk» («Up-
date from USB disk») → select an ota-image of the firmware: