User's Manual

11
ThePIXEMrobotcanalsobeplacedatthemiddleofthe3beacons.
Thepositionsofthebeaconsareveryexible,buttrackingandaccuracyarebetterwith
propercongurations:
•Checkthattherearedirectlinesofsightbetweenthebeacons,andbetweentherobot
andeachbeacon.Oratleastcheckthatanyobstacleissmall.
•Keeptherobot,thebeacons,andthewatchatmorethan20-30cm(10inches)fromthe
wallsorfrommassivemetallicparts.Avoidoperatingnearabigelectricaltransformer,
powerfulantenna,etc.
•Thebestheightforthebeaconsis1to2m(3to6ft)fromtheground.Thethreebeacons
needtobeonthesamelevelandperpendiculartotheground.
• The distance between the beacons, and the distance between the robot and the
beacons,mustbesmallerthan330ft(100m).
Optimal
orientation
Bad orientation
CORRECT INCORRECT
3
2
The beacon n°2 is
on the left of the
beacon n°1, as seen
from the robot
1
The beacon n°1 is placed
as far as possible from the
robot