GE Voluson E6

GE HEALTHCARERAFT VOLUSON E8 / VOLUSON E6
D
IRECTION KTD102576, REVISION 7 DRAFT (AUGUST 23, 2012) SERVICE MANUAL
5-14 Section 5-2 - General Information
5-2-3-5 CFM-Mode (Color Flow Mode)
1.) RFI
- 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.
2.) RTV - Video section
see: 5-2-3-1 B-Mode
5-2-3-6 3D-Mode (Freezes after 1 volume sweep)
see: 5-2-3-1 B-Mode
5-2-3-7 Real Time 4D-Mode (nonstop volume rendering)
see: 5-2-3-1 B-Mode
5-2-3-8 XBeam CRI-Mode (CrossBeam Compound Resolution Imaging)
see: 5-2-3-1 B-Mode
5-2-3-9 VCI-Mode (Volume Contrast Imaging)
see: 5-2-3-1 B-Mode
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