44 Wave User Manual
Version 4
by double-tapping on the gate. Exit this “zoom in gate” mode by using the Reset Zoom
on-screen button (top left of display).
The alternate way of zooming in an A-Scan is simply by using the same zoom gesture you
use on your smartphone, that is by using 2 fingers and spreading them apart. It is then
possible to zoom out by simply pinching your fingers or use the Reset Zoom button.
When zoomed, you can pan through the entire range of the A-Scan by using the usual
pan action, that is dragging the screen with one finger.
View the following video for more details about zooming the A-Scan.
8.1.3 Auto 80% FSH
Setting a peak to 80% FSH automatically is easily achieved in the following way. Position
a gate so it covers the peak you want to adjust to 80%. Then do a long press of the Gain
button. This will automatically set the gain level such that the peak covered by the
selected gate will be adjusted to 80% FSH.
The reference level 80% can be set to any FSH percentage by using the Ref. Amplitude
parameter found in the Cal menu.
View the following video for more details auto 80% FSH.
8.2 TX/RX Menu
The TX/RX menu is used to set the ultrasound pulser to the required needs. This is where
you can set the RX Mode, the Voltage, the Pulse type as well as the Pulse Width and
the PRF.
Table 14 - TX/RX menu parameters
Pulse-Echo, Pitch-Catch, Through Transmission
100 V, 150 V, 200 V, 250 V, 300 V, 350 V, 400 V, 450 V and 500 V
50 ns to 1 µs (steps of 4 ns)
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