Installation Manual

Larson Electronics LLC www.LarsonElectronics.com [e-mail]
9419 E US HWY 175, Kemp, TX 75143 - P: [phone] - F: [phone]
MDSEN-IR
This product is an energy-saving automatic switch; it adopts integrated circuit and precise detecting
components. It can identify day and night automatically. Its performance is very stable. The lights will
shine and automatically turn on when one enters the detection field and trigger it to work; the light will
turn off after one leaves.
 Can identify day and night automatically. Ambient-light can be adjusted so that it will work at
night and turn off in the day time. The consumer can adjust it freely.
 Detection distance can be adjusted according to the consumer’s preference.
 The time delay can be adjusted accordingly.
 The light-time can be added automatically. When motion is detected when the lamp is lite, it
can compute time once more and delay the light-time automatically.
INSTALLATION
Avoid installing where there is sunshine or constant air stream and temperature changes.
Connect the lines according to the right configuration.
OPERATION
1. Sensitivity: Turn the knob “1” clockwise to raise its sensitivity and turn it counter-clockwise to
reduce its sensitivity.
2. Turn the knob”2” clockwise to last operating time and turn counter-clockwise to shorten it.
3. Light Control: Turn the knob “3”; this product can operate in different ambient-light.
CAUTION
 Avoid installing where there is sunshine or constant air stream and temperature changes.
 Avoid impacting the lens device with sharp things or coarse pollutants.