Aetertek AT-216F Owner's Manual page 9

The emission signal The emission signal
covers the middle covers the middle
Marked Out Boundary With Flags
Detect the signal Detect the signal
coverage strength coverage strength
7
Adjusting control range (1-50 Meter Diameter adjustable)
The emission signal The emission signal
covers the left side covers the left side
Red light flashing means the signal out Red light flashing means the signal out
of coverage, place a flag at this point of coverage, place a flag at this point
to mark the periphery of the coverage. to mark the periphery of the coverage.
The emission signal The emission signal
covers the right side covers the right side
The emission signal The emission signal
covers the backyard covers the backyard
Refer to the diagram Refer to the diagram
to place the flags. to place the flags.
150-300CM a flag 150-300CM a flag