Mindray DP-8300, Operator'S Manual

Page: 47 / 101

4.2.3
4.2.4
Gain
Description B/M gain is intended to adjust the gain of the whole receiving system and the
signal sensitivity of B/M image.
The adjusting range is 0dB~100dB. B-mode and M-mode Gains are displayed in
the Parameter Area on the top of the screen.
Operations Rotate <Gain> to adjust the gain of B image and M image.
The gain of M image can also be adjusted separately in M+B mode by using the
[M Gain] in the M image menu.
Effects Increasing the gain will brighten the image and you can see more received
signals. However, noises can also be increased.
Impacts The adjustment to gain will influence the cine review.
Operation
Conflicts The gain cannot be adjusted when the image is frozen.
Acoustic Power
Description Acoustic power is the transmitting power of ultrasonic wave. You should choose
the acoustic power according to “10 Acoustic Output”.
Operations Before adjusting acoustic power, please try to adjust other parameters (such as
gain) first.
1. Press <Menu> to open the image menu.
2. Move the cursor to [A.Power (Value)], and press <Set> to increase the
acoustic power or press <Back> to decrease the acoustic power.
The current value of acoustic power is displayed in the image parameter area.
Effects Changing the acoustic power will influence the brightness and contrast of the
image and the force of penetration: Generally, increasing the acoustic power will
increase the brightness and contrast of the image and the force of penetration and
vice versa.
Impacts The adjustment to acoustic power will influence the cine review.
Operation
Conflicts The acoustic power cannot be adjusted when the image is frozen.
Optimizing the Image 4-3