
Mach-I OPERATING MANUAL Rev. 2.0 1/12/06 PAGE 11 of 37
4.0 Operating Detail
The Mach-I is a user friendly, menu driven Ultrasonic Flaw Detector. To access any parameter,
various menus are available. Details of all menus and parameters are below.
First menu is the Mach I’s basic menu. In this menu, basic functions of an Ultrasonic Flaw
Detector like Range, Zero Offset, Delay and Gain functions are covered.
ZERO Calibrates artificial zero of the probe.
RANGE The required test range can be set directly in terms of inches (mm).
The range available for steel is from 0.5 in to 200 inches (10 to
5000mm). It steps through 0.5,1,2,5, 10, 15, 20, 25, 30, 50, 100, 150,
and 200 inches by pressing the Hot key or in steps of 0.2 inches (10,
25, 50, 100, 125 ,200, 300, 500, 1000, 2000, 3000, 4000, and 5000 mm
or in steps of 1 mm).
VELOCITY The required velocity can be set directly in terms of inches/us (m/sec).
By pressing the Hot Key it steps through preset values. In fine mode
mode 0.0001 inches/us (1 meter/second).
ZERO
2200
RANGE
005.00
VEL I/S
0.2330
DELAY
000.0
REF 25.0
GAIN 1
25.0 dB
Mach-I OPERATING MANUAL Rev. 2.0 1/12/06 PAGE 12 of 37
DELAY Partial Range can be set using these keys. Exact shift/delay in inches
(mm) is displayed at the bottom.
GAIN STEP Gain step value can be set by using the GAIN STEP key. It adjusts dB in
steps of 0.5, 1, 2, 6, 12 or 20 dB.
GAIN Gain can be increased or decreased as per value of step by using
GAIN UP/DN keys. For setting of REF (Reference) gain refer DAC
Setting.