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ACOUSTIC
CONTROL
SYSTEMS
1
Operation Manual
А1040 MIRA Low-Frequency Ultrasonic Tomograph
1.4.1.1 Parameter editing
Access to all parameters in the SETTING mode for editing.
The key functions for parameter editing are shown in the Table 5.
Key
Description
Moving up and down the lines to select a parameter
Change parameter value
Exit the SETTING mode
The parameters and their permissible values are given in the Table 6.
Parameter
Color gain, dB
from 0 to 48 with step 1
Analog gain, dB
from 0 to 60 with step 1
TGV, dB/m
Off/ from 0.5 to 10.0 with
Number of periods
from 0.5 to 5.0 with step 0.5
Pause between impulses, µs Off / from 1 to 50 with step 1 Influences the echo to eliminate the after sound
Operating frequency, kHz
from 25 to 85 with step 5
Value
Description
Change the scale of brightness for a synthesized image
Select of the strengthening factor in a path of the device
for maintenance of the maximum dynamic range in the
absence of restriction of signals
OFF / installation of the time corrected gain value (DAC)
step 0.5
Setting depending on material properties
Setting depending on material properties
24
Table 5
Table 6
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