Olympus EPOCH 6LT, User Interface Manual

Page: 75 / 232

DMTA-10084-01EN, Rev. 2, November 2018
Pulser/Receiver Adjustments 65
The EPOCH 6LT uses PerfectSquare technology to achieve optimum response from
the tunable square wave pulser. The PerfectSquare technology maximizes the energy
used to drive the connected transducer while providing excellent near-surface
resolution.
To adjust the pulser waveform

In the pulser dialog box, press the Tab key to select Pulser , and then turn the
adjustment knob to change the setting (see “Navigating Dialog Boxes and Setup
Pages” on page 19).
6.2.4 Pulser Frequency
When the pulser is set to Tunable, the pulser frequency selection sets the pulse width.
The best performance is achieved by tuning the pulser frequency as close as possible
to the center frequency of the transducer being used.
To adjust the pulser frequency

With the pulser set to Tunable , press the Tab key to select Freq , and then turn the
adjustment knob to change the setting (see “Navigating Dialog Boxes and Setup
Pages” on page 19).
Actual results could vary depending on the test material and/or variation in the
transducer center frequency. Try various settings with a transducer and test piece to
maximize ultrasonic performance.
6.2.5 Test Modes
The EPOCH 6LT can operate in three selectable test modes:
NOTE
NOTE