Checkline DFX-7 - Manual (Page 23)

DFX-7 Ultrasonic Flaw Detector
19
• Detect
i. Zero crossing (ZX)
ii. Flank (FK)
iii. Peak (PK)
• Leg – Skip leg reference, (L1…L4…)
• High Speed Scan Mode
• Alarm
Mode
• Gain
Setting
E. Leg (skip leg) – Indicates which skip/leg the detection in on. The thickness of
the material is used to calculate the leg.
F. Hot Menu items – We call this menu section our “hot menu”, as these items
are the most commonly adjusted features, requiring quick access from the
user. They can be displayed and scrolled by pressing the MEAS key at
anytime. The ESC key is used in conjunction with MEAS key to reverse the
direction scrolled.
G. Memory – Indicates that the currently displayed measurement screen and
values have been previous stored in memory. When MEM is displayed, all
measurement functions are disabled until the user advances to an empty
storage location, or the current measurement is cleared by pressing the CLR
key.
H. Height – Displays the amplitude of the signal as a percentage of full screen
height. Depending on the quantity selected, this could also be displayed in
dB, or D.
I. Grid or Seq Log Name – References the name of the log file currently open.
J. Log File – Shows the storage cells of the current log file open. Depending on
the quantity currently selected, show either the %height or dB value stored.
K. A-Scan Display – The actual echo reflections returned from the backwall or
defect.
3.26 Navigating the Hot Menu
The diagram above is a screenshot of the “Hot Menu” feature of the DFX-7. The Hot
Menu’s contain all the most regularly adjusted features of the gauge. The primary