TAKACHIHO MPL-21-E, Руководство по эксплуатации

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6.3 Depth measurement
Once the precise location of the targett line has been determined, press the Depth
key to display the distance from the bottom of the Receiver to the target line.
Note: Depth reading is a calculation of received signal strength.
6.4 Depth measurement using Triangulation
This measurement method uses Peak mode.
Set the signal level to 70% directly above the line. While holding the locator vertically, move
it to the left and right until the meter drops to 50%. Mark these points and measure the
distance between them. The distance between the two points is equal to the depth.
While holding down the Depth key,
the signal current value is displayed.
90

Center of the pipe
Hold the Receiver vertically, place the receiver on the ground.
Press the Depth key, depth is measured continuously for 10 seconds.
Depth
Depth
Signal current
Measuring the signal current
This distance is equal to the depth.
Depth