GE MFE DMS 2 Operating Manual page 17

1. Getting Started
Step 6: Press
to activate the Test Mode. Your DMS 2
display should look like the one shown in Figure 1-5. Apply
couplant to test sample you wish to test. It's best to select a
test sample that's free of paint and coating. If you're testing
material that has a coating or paint, you must select a multi-
echo measurement mode (Return to Step 3 and set the
mode to Dual-M, S-Peak or S-Flank. Alternatively, you can
inspect coated material using the optional TopCOAT mode.
Remember that the type of material being tested should
match the material used to make the calibration standard in
Step 5.
Page 6 DMS 2 Operating Manual