Sound Icon; Brightness Icon; Reading Lines; Display Modes And Battery - Rehan Looky 4 Mode D'emploi

15.1.1 Sound icon

With this icon you can switch the sound on or off.
sound on

15.1.2 Brightness icon

With this icon you can set the brightness of the screen. There are
5 different intensity settings.
least brightness

15.1.3 Reading lines

By tapping this icon you can generate a horizontal or
vertical reading line on the screen.

15.2 Display modes and battery

Use 1 finger to touch the top section of the screen for 2 seconds
to generate the battery, play mode (Looky4+ only when images
are stored) and display mode menu in the top half of the screen.
Looky4
12
sound off
most brightness
Looky4+
Looky4