1.take out
the jumper
high
2.insert the jumper
back to the left two
needles.
low
4
Step 3
(Indicator lights will be on for 5 seconds meaning work properly,
and wait about 30 seconds to activate the sensor.)
Insert the 3pcs AA 1.5V Alkaline Batteries and note the anode
and cathode (Batteries are not included).
Step 2
Select the sensitivity (High / Low)
Factory default is Low sensitivity,if you want to select High
sensitivity, please take out the jumper slightly by the plier first, and
insert the jumper back to the left two needles as bellow:
If High sensitivity, the detection range of the sensor is 50 feet;
If Low sensitivity, the detection range of the sensor is 35 feet.
(Or please search "T804 Sensitivity Setup" on YouTube,there is
a video for your reference)