Check-line TI-CMX User Manual page 14

MATL 2PT: Performs a two-point calibration. This option allows the user to automatically
calculate the velocity by entering a second known sample thickness. Refer to section 6.3
for further info.
VELOCITY: Function is to calibrate the TI-CMX by setting the velocity to a known mate-
rial velocity. Refer to section 6.3 for further info.
COATING 1PT: Performs a single point coating calibration. This option allows the user to
automatically calculate the velocity by measuring a known coating sample thickness. Refer
to section 9.5 for further info.
COATING 2PT: Performs a two-point coating calibration. This option allows the user to
automatically calculate the velocity by entering a second known coating sample thickness.
Refer to section 9.5 for further info.
COATING VEL: Function to calibrate the TI-CMX to a specific coating material type by
entering a coating velocity. Refer to section 9.3 for further info.
3.4 DISP (display) – Menu
VIEW: Selectable B-SCAN (cross section), and DIGITS
(large digits) views. Refer to section 7.1 for further info.
B-START: Provides the user the ability to change the start
position of the B-SCAN view. Refer to section 7.3 for further
info.
B-DEPTH: Provides the user the ability to change the overall
depth of the viewable measurement area. It functions a lot like
a zoom on a camera. Refer to section 7.3 for further info.
UNITS: Toggle between English or Metric units. The readout will change from inches to
millimeters.
BACKLIGHT: Selectable OFF, ON, AUTO, or INVERT backlight option.
CONTRAST: Adjustable display contrast for variable light conditions.
3.5 TUNE – Menu
MEASURE MODE: Toggles a variety of unique measurement
modes for different application requirements. Refer section 11.2
for further info.
GAIN: A 5 position gain switch in 2 db increments from 40 to
50 dB. Increase for better penetration or punch, and decrease to eliminate unwanted noise
or better resolution. Refer to section 11.2 for further info.
3.6 SETUP – Menu
OPEN: Displays a list of factory and user defined setups cur-
rently stored in memory. These setups can be recalled and used
at any time. Refer to section 11.2 for further info.
SAVE: Provides the user with the ability to save a custom setup
that has been modified or created by the user. Refer to section
11.2 for further info.
DELETE: Provides the user with the ability to delete specific setups previously save in
memory. Refer to section 11.2 for further info.
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2. Apply a drop of couplant on the transducer and place the transducer in steady contact
with the thinner of the two coating and samples. Be sure that the reading is stable an
the repeatability indicator, in the top left corner of the display, is fully lit and stable.
Press the MENU key once to activate the menu items tab. Press the MENU key mult
times to tab right and the ESC key multiple times to tab left until the CAL menu is
highlighted and displaying the submenu items.
3. Use the UP and DOWN arrow keys to scroll through the sub
menu items until COATING 2PT is highlighted.
4. Press the ENTER key to display the Digits Edit Box.
5. Press the UP and DOWN arrow keys to scroll the highlighted
value.
6. Press the LEFT and RIGHT arrow keys to scroll the digit
locations.
7. Repeat steps 5 & 6 until the known thickness value is correctly
displayed.
8. Press the OK key to calculate the velocity and return to the menu screen,
or ESC to cancel the coating one point calibration.
9. Finally, press the MEAS key to return to the measurement screen and begin taking
readings.
NOTE: CHECK YOUR CALIBRATION! Place the transducer back on both calibration
points. The coating thickness readings should now match the known thickness values of
each sample. If the thickness is not correct, repeat the steps above.
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