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The motion sensor is an usable item in Fallout and Fallout 2. that detects the movement of biological material over a distance of meters using a tuned radar device. This device snaps into the Pip-Boy.

Background

The Wattz Electronics C-U model motion sensor is a computer auxiliary that detects the movement of biological material over a distance of meters using a tuned radar device.[1] The motion sensor can be used in conjunction with the Pip-Boy 2000 AutoMap feature. and will display all living and moving beings on the map - represented as red dots.[2][3] The C-U model is only compatible to the PIP-Boy 2000 or earlier models; the PIP-Boys Vault City is equipped with are too advanced to use this auxiliary.[2]

Characteristics

When used - either from the active item slot or from inventory - the motion sensor will automatically call up the automap and display all entities on the map (or critters, in technical terms used by the engine) as red dots on the map. The motion sensor can therefore be useful for scouting ahead, as it will display entities regardless of view distance or obstacles, but otherwise is of limited use.

In Fallout 2, however, having a motion sensor in inventory provides a +20% bonus to the Outdoorsman skill when traveling on the world map. The +20% bonus is applied to the party member with the highest Outdoorsman skill. A motion sensor does nothing in the inventory of a companion.

The Fallout: Brotherhood of Steel 2 version would have appeared as a simple device, it "hooks up" with the player character's Pip-Boy allowing them to know where their enemies are.[4]

Locations

Fallout

Fallout 2

References

  1. PRO ITEM.MSG (Fallout): "{5900}{}{Motion Sensor}"
    "{5901}{}{A Wattz Electronics C-U model motion sensor. Detects the movement of biological material over a distance of meters using a tuned radar device. Having one in your inventory will also help you avoid outdoor encounters (+20% Outdoorsman skill).}"
    PRO ITEM.MSG (Fallout 2): "{5900}{}{Motion Sensor}"
    "{5901}{}{A Wattz Electronics C-U model motion sensor. Detects the movement of biological material over a distance of meters using a tuned radar device.}"
  2. 2.0 2.1 Stark: "{348}{}{This intelligence looks good. Well done. Here's payment for your services, five hundred dollars... plus, you might find this useful.}"
    The Chosen One: "{349}{}{What is it?}"
    Stark: "{350}{}{It's a Vault-Tec Motion sensor. We were going to strip it for parts, since it's too old for our Pip Boys, but it looks like it's compatible with your model.}"
    The Chosen One: "{351}{}{How does it work?}"
    Stark: "{352}{}{Keep it in your hand and it IDs hostiles in your immediate area when you use it. Or you can call up the Pip Boy automap as normal, then just click the "scanner" button and they're lit up like a neon sign.}"
    (VCSTARK.MSG)
  3. Vault Dweller's Survival Guide p.5-20: "When used in conjunction with the PIPBoy 2000 AutoMap feature, the motion sensor will display living and moving critters on the map. The motion sensor must be placed in an active item slot to function correctly. Use the motion sensor to scout the area ahead."
  4. Fallout: Brotherhood of Steel 2 design document - Page 19
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