Note

Practice on land with ferrous metal targets buried at various depths before deploying to the field.

Follow these procedures when searching:

• Set the operating mode switch to the appropriate level (1 - is least damping and most sensitivity).

Compensation switch

Test switch

Sensitivity selector switch

Power connector

Earphone connector

LED display

Compensation switch

Test switch

Sensitivity selector switch

LED display

Power connector

Earphone connector

Probe connector

Front housing bracket

Toggle volume switch

Operating mode switch

Rear housing bracket

Probe connector

Front housing bracket

Toggle volume switch

Operating mode switch

Rear housing bracket

Figure 2-18. BP&CL electronics housing.

• Turn the tool on by rotating the sensitivity selector to the most sensitive position.

• Adjust the volume control to provide a comfortable level.

• Set the LED bar to zero using the compensation switch.

• Begin the search at the greatest sensitivity setting. If local magnetic interference causes the display to always display maximum, use the next lowest sensitivity level. Reduce sensitivity until only two LEDs are lit. The setting is different for every site.

• Hold the unit so the probe is perpendicular to the ocean floor.

• Sweep the probe to the left and right while moving forward.

• Move in the direction of increasing signal. Decrease the sensitivity setting as the display shows maximum intensity.

• Find the area where the greatest signal intensity occurs at the lowest sensitivity level.

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