Chapter 5 - Working With Scan Modes Scan Modes Overview
Terason t3000 / Echo Ultrasound System User Guide 99
THI is only available when a 4V2 or 5C2A transducer is connected. When a different type
of transducer is connected, the THI button does not display, and the THI menu item is
grayed out on the Modes menu.
THI is most effective at mid-range depths. Shallow and deep scans do not benefit from
THI.
To turn THI on or off, use one of the following methods:
• Click the THI button at the bottom of the 2D Image Control window.
THI Button
• Select THI in the Modes menu.
THI in Modes Menu
Omni Beam
Omni permits electronic steering of the ultrasound beam to acquire scans of an ROI from
several directions. Omni works with linear and curved-linear array transducers, but not
with phased-array and endocavity transducers. It is not available in Stress Echo exams.
When Omni is on, the word Omni shows in the scan information display, and the focus
markers on the depth ruler change to this:
To turn Omni on or off, click the Omni button on the 2D Image Control window.
Omni Button
Transducers Supporting Omni Beam Transducers Not Supporting Omni Beam
12L5 4V2A
5C2A 4V2S
7L3V 8EC4A
8BP4
8MC3
12HL7
12L5V
PDOF
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