Internal Storage: 750 English Characters or Simple Images
1. Brightness Button:
(1)Press Button about 3 seconds, turn on/turn off.
(2)Brightness Control: 4 Levels (25%,50%, 75%,100%)
2. Information Button:
(1)Short Press, switch different information you want to show.
(2)M1-8, Loop Play different information.
Display Speed: 8 levels, can be controlled by Program.
Display Mode: Scrolling Up and Down, Scrolling Left to Right, Display Fixed, Flicker, etc.
Brightness 25%, 24hours
Brightness 100%, 12hours