Ramsey Oretronic IV Tramp Metal Detector REC 4479C
Page 46
4.
Scroll to the Material Code setting, and confirm that the type code is 3. For mineral ores, this value
could also be set to 4.
5.
Navigate back to the Run screen, select the Calibration menu, and enter the Coarse Sensitivity screen.
Record the value as initially displayed, then use the manual option to change the setting to 2.
Figure 4-2. Capturing the initial Coarse Sensitivity Setting
6.
Navigate to the Coil Balance screen and observe the number of bars displayed. There should be fewer
than five bars displayed on either side of the center (the triangular markers). The bars may be going
off and changing sides, but if five or more bars are dark, you will need to manually balance the coils.
Figure 4-3
.
Checking coil balance
7.
Adjust the coil position for your TMD IV model as follows:
For a dual coil TMD IV:
•
Use the adjusting bolts on the swing arm stop to adjust the position of the transmit coil
forward or back.
•
As the transmitter coil is moved, the bar graph display will change. Find the position where
the minimum number of bars is displayed. If the balance improves significantly, proceed with
Step 8 to fine tune the coil balance.
•
If adjusting the transmitter coil does not affect the bar graph significantly, experiment with
moving the TMD IV coil frame forward and back to achieve the best position possible. If
