Checkline DFX-7 - Manual (Page 35)

DFX-7 Ultrasonic Flaw Detector
31
No Gate Gate On
The screenshots above show a rectified waveform with and without a gate enabled.
The following steps outline how to enable a gate as follows:
Activating a Gate
Gate1
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 GT1 menu is highlighted and displaying the submenu items.
2) Use the UP and DOWN arrow keys to scroll through the sub menu items
until ALARM is highlighted.
3) Press the LEFT and RIGHT arrow keys to toggle ALARM to ON. The menu
items should now become active and adjustable, as the gate is now active.
Set Detect
1) Press the UP and DOWN arrow keys until DETECT is highlighted.
2) Press the LEFT and RIGHT arrow keys to toggle the ABOVE or BELOW.