Checkline DFX-7 - Manual (Page 37)

DFX-7 Ultrasonic Flaw Detector
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6) Press the OK key to set the GATE1 WIDTH and return to the menu screen,
or ESC to cancel entering the GATE1 WIDTH.
Note: This sets the overall width of the gate in terms of the horizontal axis or
depth. Sets the right boundary of the gate, or where it turns off.
Set Threshold1 Level
1) Press the UP and DOWN arrow keys until THRESHOLD1 is highlighted,
followed by pressing the LEFT and RIGHT arrow keys to scroll the value.
When the correct threshold level is displayed, proceed to the next setting.
2) Alternatively, press the ENTER key to display the Digits Edit Box.
3) Press the UP and DOWN arrow keys to scroll the highlighted value.
4) Press the LEFT and RIGHT arrow keys to scroll the digit locations.
5) Repeat steps 3 & 4 until the threshold level is correctly displayed.
6) Press the OK key to set the THRESHOLD1 level and return to the menu
screen, or ESC to cancel entering the THRESHOLD1 level.
Note: This sets the overall sensitivity level of the gate which is the threshold.
Select Gate Polarity
1) Use the UP and DOWN arrow keys to scroll through the sub menu items
until POLARITY1 is highlighted.
2) Press the LEFT and RIGHT arrow keys to toggle the POLARITY feature
positive or negative.
3) Press the MEAS key to return to the measurement screen.
Note: The GATE1 and WIDTH1 values can now be adjusted or tuned directly
from the Hot Menus on the main measurement screen.