LCD Code Enabled in FW
Turns the LCD output off if you don't use it.

Default View Page
The default page is 0. It is a good option that shows the most general information in one page and is recommended for everyone. The others show more in-depth information mostly for developers.

Backlight
If you have wired the backlight, this determines the intensity.

LCD Cable Length Delays
Try raising these values when you have signal problems with garbled characters on the display, this is a value from 0 (don't wait) up to 15 (the longest).

LCD Control

AIM
This enables sending data using the AIM protocol via the serial port.

LEDs
Enable the internal LED, it is a heartbeat that only flashes when the firmware is up and running, and not in the boot loader mode.