Checkline DFX-7 - Manual (Page 73)

DFX-7 Ultrasonic Flaw Detector
69
ex. 1 ex. 2
2) Press the MEAS key multiple times to move right, and the ESC key multiple
times to move left until the TCG BOX: cell is highlighted. Now that the TCG
BOX: cell is highlighted, the cursor can be controlled by moving the LEFT
and RIGHT arrow keys.
3) Couple the transducer to the first calibration standard, and peak up on the
reflector to achieve maximum signal amplitude.
4) Press the LEFT and RIGHT arrow keys to move the cursor over the
waveform to be used as the first point in the TCG curve, and press the
ENTER key to set the first point. Illustrated in ex.1 above.
5) Repeat steps 3 & 4 to set multiple points as is necessary. Illustrated in ex.2
above.
Note: You must set 3 points to draw a TCG curve. Any point can be cleared
by pressing the CLR key when DRAW is active.
6) 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 TCG menu is highlighted and displaying the submenu items.