Epson ActionNote - Manual (Page 50)

Display Key Combinations
You can use the key combinations listed below in most DOS
applications to control the display.
Display key Combinations
Key Function
Enters Suspend mode.
Toggles normal and reverse video.
Toggles between LCD, CRT. and simultaneous
display.
Toggles LCD backlight on and off.
Using the Embedded Numeric Keypad
The embedded numeric keypad allows you to enter numeric
characters from the keyboard when the Num Lock function is
on. The numeric keypad is shown below:
Using Your Computer 3-7