Full Digital Mechanical Sector Scanning Ultrasonic Diagnostic Instruments (Vet) User’s Manual V2.14
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6.4.5 M Mode
1.
In real-time mode, press
key to enter M mode;
2.
Change of M speed: Press
key to enter main-menu and press direction keys
to move cursor
to “M Speed” and then press direction keys
to select the four kinds of scan speed.
3.
In real-time mode, press
key to exit M mode.
6.5 Image Quality Adjustment
6.5.1 Brightness and Contrast Adjustment
In the startup default status, press
key to quit the current using status of direction keys, press
direction keys
, the adjustment bars of brightness and contrast will be displayed on the screen, adjust
them according to actual need. Press direction key
to increase brightness and contrast, direction key
to
decrease them; press direction keys
to select brightness or contrast adjustment.
Note: If direction keys
cannot be adjusted when adjust brightness or contrast in normal
operation mode, must be exit current operating condition of direction keys.
6.5.2 Total Gain Adjustment
In real-time mode, press
key to enter main-menu and press direction keys
to move cursor to
“Gain” in the display area. Press direction key
to increase image total gain and direction key
to reduce
total gain so as to control the total gain of the entire image.
6.5.3 Near Field Gain Adjustment
In real-time mode, press
key to enter main-menu and press direction keys
to move cursor to
“Near” in the display area. Press direction key
to increase near field gain and direction key
to reduce
near field gain so as to control the gain in near field region.
6.5.4 Far Field Gain Adjustment
In real-time mode, press
key to enter main-menu and press direction keys
to move cursor to
“Far” in the display area. Press direction key
to increase far field gain and direction key
to reduce far
field gain so as to control the gain in far field region.
6.5.5 Dynamic Range Adjustment
In real-time mode, press
key to enter main-menu and press direction keys
to move cursor to
“Dyn” in the display area. Press direction key
to increase the value of dynamic range and direction
key
to decrease the value of dynamic range so as to control the dynamic range of the entire image.
6.5.6 Frequency Adjustment (Frequency
conversion)
In real-time mode, press
key to enter main-menu and press direction keys
to move cursor to
“Freq.” in the display area. Press direction keys
to achieve frequency conversion.
6.5.7 Frame Correlation Adjustment
In real-time mode, press
key to enter main-menu and press direction keys
to move cursor to
“Frame Avg” in the display area. Press direction keys
to achieve four levels of frame correlation.
6.5.8 Image Processing Adjustment
In real-time mode, press
key to enter main-menu and press direction keys
to move cursor to
“IP” in the display area and then press direction keys
to obtain corrected image. System default is 2.
6.6 Image Control
6.6.1 Magnification Selection
In real-time mode, press
key to enter main-menu and move cursor to “Zoom” and then press
direction keys
to choose five kinds of magnification.