Be careful not to drop the battery pack when removing. Insert the floppy disk until it clicks. Located on the top right from screen. To adjust brightness. This will adjust the brightness of the LCD screen.
Auto is set at the factory.
To change flash mode. Press flash button once. If in auto mode, one press will take you to forced flash mode. If in forced flash mode, one press will take you to no flash mode. If in no flash mode, one press will take you to auto mode.