GE Voluson E8 Service Manual page 198

GE H RAFT
EALTHCARE
D KTD102576, R
IRECTION
5-2-3-5 CFM-Mode (Color Flow Mode)
1.) RFI
-
-
2.) RTV - Video section
see:
5-2-3-6 3D-Mode (Freezes after 1 volume sweep)
see:
5-2-3-7 Real Time 4D-Mode (nonstop volume rendering)
see:
5-2-3-8 XBeam CRI-Mode (CrossBeam Compound Resolution Imaging)
see:
5-2-3-9 VCI-Mode (Volume Contrast Imaging)
see:
5-2-3-10 Extern-Video-Mode (display Video from Video-Recorder)
1.) RFI
Not used for Signal-Processing
2.) RTV - Video section
Analog input from an external video source (YC or CVBS) is converted to a digital RGB data stream
by a video decoder. It is mixed with the DVI video output from PC in an overlay unit (Chroma keying
mechanism). Generation of analog VGA signals for the monitor and standard video timing outputs
follows this block.
5-2-3-11 Archive write mode (store Image to Archive)
1.) RFI
Not used
2.) RTV - Video section
Not used
5-14
7 DRAFT (A
EVISION
PRF-generator; see: 5-2-3-1 B-Mode
After DC-cancelling the signal is mixed with RX-Frequency and brought to LF-Spectrum,
where the LowPassFilter cuts HF.
Mixer and Magnitude-Calculator arrange Complex Demodulation.
5-2-3-1 B-Mode
5-2-3-1 B-Mode
5-2-3-1 B-Mode
5-2-3-1 B-Mode
5-2-3-1 B-Mode
Section 5-2 - General Information
23, 2012)
UGUST
V E8 / V
OLUSON OLUSON
S M
ERVICE ANUAL
E6