Checkline TI-MVX - Manual (Page 35)

1) Using a set of calipers, physically measure two known thickness locations on
the sample of material. Note: The two locations should represent the desired
thickness range being measured. If the range is from .250” -1.000”, then the two
known locations should represent this range, or be slightly outside or inside of
this range. A typical example would be to find two locations at .236” and the
other at 1.047”. These thickness points will satisfy the required thickness range
noted above.
2) Apply a drop of couplant on the transducer. Place the transducer in steady
contact on thickest known location first. Be sure that the reading is stable and
the repeatability indicator, located 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 multiple 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
ONE POINT 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 for the ONE POINT calibration and
return to the CAL menu screen, or press ESC to cancel entering the velocity.
9) Apply a drop of couplant on the transducer and place the transducer in steady
contact with the sample or actual test material on the thinnest, or second known
thickness location. Be sure that the reading is stable and the repeatability indica-
tor, located in the top left corner of the display, is fully lit and stable.
10) Use the UP and DOWN arrow keys to highlight the TWO POINT calibration
submenu item.
11) Press the ENTER key to display the Digits Edit Box.
12) Press the UP and DOWN arrow keys to scroll the highlighted value.
13) Press the LEFT and RIGHT arrow keys to scroll the digit locations.
14) Repeat steps 12 & 13 until the known thickness value is correctly displayed.
15) Press the OK key to calculate the velocity for the TWO POINT calibration
and return to the CAL menu screen, or press ESC to cancel entering the
velocity.
16) Finally, press the MEAS key to return to the measurement screen and begin
taking readings.
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Adjusting the Delay using the Hot Menus
1) Press the MEAS key once to activate meas-
ure menu items. Press the MEAS key multiple
times to move right and the ESC key multiple
times to move left, until the DELAY cell is high-
lighted.
2) Press the UP, DOWN, LEFT, and RIGHT
arrow keys to scroll the highlighted value.
3) Alternatively, press the ENTER key to display
the Digits Edit Box.
4) Press the UP and DOWN arrow keys to scroll
the highlighted value.
5) Press the LEFT and RIGHT arrow keys to scroll the digit locations.
6) Repeat steps 4 & 5 until the DELAY value is correctly displayed.
7) Press the OK key to return to the measurement screen, or ESC to cancel
entering the DELAY.
The user can also access and adjust the delay from the tabbed menus.
However, this method is more tedious than making the adjustments using the
Hot Menus. The procedure using the tabbed menus is outlined below:
Adjusting the Delay using the Tabbed Menus
1) Press the MENU key once to activate the menu
items tab. Press the MENU key multiple times to tab
right, and the ESC key multiple times to tab left, until
the DISP menu is highlighted and displaying the sub-
menu items.
2) Use the UP and DOWN arrow keys to scroll
through the sub menu items until DELAY is
highlighted.
3) Press the LEFT and RIGHT arrow keys to scroll
the value. When the correct Delay is being displayed,
proceed to step 8.
4) Alternatively, 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.
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