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Continue sweeping in the chosen direction.
As you get closer, the Rifle Scope indicates either:
• The presence of a rebar beneath the instrument or,
• The mid-point between two rebars beneath the instrument.
It is very simple to differentiate between the two.
Approaching a Rebar
MC (4)
Center Line (9)
Riftle Scope (18)
Fig 13: Approaching a rebar
Rifle Scope moves in opposite direction to the Profoscope.
The signal strength is increasing as the Rifle Scope moves towards the Center Line (9).
Continue sweeping until the Rifle Scope is exactly at the Center Line (9). The LED Indicator will
light. (If the acoustic signal is activated it will sound as long as the LED is lit). The rebar is directly
beneath the MC (4).
Center Line (9)
Riftle Scope (18)
Fig 14: Rebar centered
Approaching a Midpoint
The Rifle Scope moves in the same direction as the Profoscope.
The signal strength is decreasing as the Rifle Scope moves towards the Center Line (9).
MC (4)
Fig 15: Approaching a mid point
Continue sweeping until the Rifle Scope is exactly at the Center Line (9). The midpoint is directly
beneath the MC (4). The LED Indicator will not light.
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