Quatech Audio/Video Capture USB 2.0 Specifiche Pagina 177

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7
z.one ultra and z.one ultra sp OPERATOR MANUAL 7-73
Retrospective
Processing
Elastography may be enabled/disabled during live, frozen, or cine imaging, or
when reviewing IQ Scan B-Mode images.
Ocular Preset
WARNING: To avoid injury to the patient, use only the Ocular Preset when
performing imaging through the eye. The FDA has established lower
acoustic energy limits for ophthalmic use. The system will not exceed these
limits only if the Ocular Preset is selected. See the Safety Manual for
information about the lower acoustic energy limits established for
ophthalmic use.
To Select Ocular Preset
1. Connect and activate transducer enabled for Ocular imaging: e.g., L10-5 or
L14-5sp.
2. Press Exam button. Select Small Parts exam type if not already selected.
Then select Ocular preset.
Figure 7-37. Ocular Preset
3. The system enters SP/Ocular mode. You can begin ophthalmic scanning.
MI Acoustic
Energy Output
Ocular Preset has low MI acoustic energy output for safe ophthalmic use. The
system, while in SP/Ocular mode, will not exceed MI 0.18.
L10-5 Transducer: The maximum (and default) is MI 0.18 (100% acoustic output,
see
Figure 7-38). Other options are MI 0.16 (75%) and MI 0.12 (50%). To select
acoustic output MI: Press Menu button, then select A Output.
L14-5sp Transducer: Acoustic output MI is not user-selectable for this
transducer. The default is MI 0.16 (100%) and cannot be changed in
SP/Ocular
mode when scanning with L14-5sp transducer.
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