Toto EcoPower TET2GB Installation And Owner's Manual page 20

DETECTION RANGE
The detection range of the infrared sensor is set at the factory and does not need further
adjustment.
*Measure on a 300mm x 300mm square white board.
*The Detection Range diagram below is for illustrative purposes.
PRECAUTION
DO NOT place the infrared sensor
of one flush valve in line with
sensor of another Flush Valve.
Another infrared sensor.
Infrared sensor of the automatic
Flush Valve.
NOTE: In some cases, the valve may not detect
a user if the toilet seat is left in an upright
position. This can be caused by the
rough-in dimension or gap of the open
front commercial seat. Please lower the
seat or contact a plumbing contractor to
change the height of the valve.
The sensor can have trouble detecting
users wearing black clothes in some
conditions.
Max 19-11/16"
(Max 500 mm)
PRECAUTION
DO NOT place the infrared sensor in
front of a mirror, stainless steel wall,
or other highly reflective surface.
Mirror, stainless steel wall or other
Infrared sensor of the automatic
Flush Valve.
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15°
Infrared sensor