MN2-2008, Rev.2
SECTION 4
Principle of System Operation
4 - 5
Spectral Doppler
Applicable probe
PW: Electrical linear/convex/sector
CW: Electrical sector
Frequency Analysis System
FFT system
Display
Power spectrum
Frequencies
PW Doppler ......1.88, 2.14, 2.5, 3, 3.75, 5, 6, 7.5 MHz
CW Doppler......1.88, 2.14, 3.75 MHz
Analysis rate (Velocity Range)
There are limits depending on the probe frequency
PW Doppler:
±6.22 ~ 398.4 cm/sec
CW Doppler:
±8.30 ~ 796.2 cm/sec
Sample Point
1 point
Sampling Volume
0.5 ~ 20 mm (0.5mm, 1mm, 2mm Step)
Filters
Auto
PW Doppler:
0 ~ ±1/4PRF Hz
12 levels
CW Doppler:
0 ~ ±1/4PRF Hz
12levels
Manual
PW Doppler:
Approx. 50,100,200,400,800,1600 Hz
CW Doppler:
Approx. 50,100,200,400,800,1600 Hz
Doppler Gain
0 ~ 50.00 dB, 128 step
Possible on both real time and frozen image.
Contrast
~Ver.5.0
16 Levels
Ver.6.0~
23 Levels
Possible on both real time and frozen image.
Audio output
Speaker and VCR output, stereo
Base Line Shift
Possible on both real time and frozen image.
(It does not possible to change in the Doppler and M
modes. And it does not affect to both recorder output
and Physiological Signal.)
Spectrum Invert
Possible on both real time and frozen image.
Interpolation processing for missing Doppler information
Yes (MSE)
Frame rate improvement function in the B/D-mode
Yes (Pulse by Pulse transmission))
Doppler sound output in B Mode image display
Yes (PW Sound ON)
Angle Correct
0 ~ 80°
The angle correction also follows automatically with
inversion of steered
Ver.7~
Auto Angle Correct (Auto Doppler angle correction
function)
B-Refresh
1sec, 2sec, 4sec, 6sec, 8sec
R-Wave is not update.
Содержание ProSound Alpha 10
Страница 7: ...MN2 2008 Rev 2 SSD ALPHA10 SERVICE MANUAL 6 6 Blank page...
Страница 8: ...SECTION 1 SECTION 1 How to use this service manual...
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Страница 13: ...SECTION 2 SECTION 2 PRECAUTIONS...
Страница 20: ...SECTION 3 SECTION 3 Before Repairing...
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Страница 33: ...SECTION 4 SECTION 4 PRINCIPLE OF SYSTEM OPERATION...
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Страница 138: ...SECTION 6 SECTION 6 TROUBLESHOOTING...
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Страница 141: ...SECTION 7 SECTION 7 ADJUSTMENT PROCEDURE...
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Страница 144: ...SECTION 8 SECTION 8 PERFORMANCE CHECK...
Страница 165: ...SECTION 9 SECTION 9 DISASSEMBLING PROCEDURE...
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Страница 345: ...MN2 2008 Rev 1 SECTION 9 Disassembling Procedure 9 154 4 Remove the physio unit 4 Physiological signal display unit...
Страница 348: ...SECTION 10 SECTION 10 PARTS LIST...
Страница 355: ...MN2 2008 Rev 2 SECTION 10 Parts List 10 7 01 MAIN BODY USI 153 S N 19 20 18 61...
Страница 357: ...MN2 2008 Rev 2 SECTION 10 Parts List 10 9 01 MAIN BODY USI 153 S N 54 53 PCB 29 52...
Страница 363: ...MN2 2008 Rev 2 SECTION 10 Parts List 10 15 02 OPERATION PANEL L KEY 84 S N 8 3 STC PCB CTRL PCB SW PCB 9 8 19...
Страница 364: ...MN2 2008 Rev 2 SECTION 10 Parts List 10 16 02 OPERATION PANEL L KEY 84 S N 21 10 CTRL PCB...
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Страница 372: ...MN2 2008 Rev 2 SECTION 10 Parts List 10 24 03 CABLE HANGER L KI 630V S N 1...
Страница 374: ...MN2 2008 Rev 2 SECTION 10 Parts List 10 26 04 POWER SUPPLY UNIT EU 6030B EU 6030E S N 1 8 7 6 5 4 9 11 2 3 12 13 10...
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