HUD (DXHR)

HUD is abbreviation of Heads-Up Display and refers to your basic visual aids. In Deus Ex: Human Revolution and the add-on you have several sections with a unique usage. Only the item bar can be hidden.

Item bar
You have an item bar with 10 slots ranging from 1 to 9 + 0.

Consumable items that occupy the bar will continue to occupy it, but turning red when the last item is used. Why that is, or how to remove those red occupants is unknown.

Augmentation
You can acquire 4 augmentations that require activation, and its section will first be shown when you acquire one of these. The order on the section is fixed to a position on its section. Activating these are fixed to the keys F1-F4 on the PC.