Thank you very much for your work. Very convenient program. If possible, in the next update, you can not make some corrections for pocketbook 840:
1. When disconnected, does not save the backlight level when it is turned on again.
2. Move page numbers to the middle.
https://ibb.co/iYUjgR
3. Cover the whole screen.
https://ibb.co/ezsLMR