TELEMED
Echo Wave A Software User Manual
Ver. 1.2.1
2020.07.02
Page 6 of 25
6
Focusing depth marker.
7
Actual scanning depth (numerical value in millimeters).
8
Buttons to record cine, save image, freeze/run, open settings (presets, options), measure
distance, measure area (using ellipse), delete measurements.
9
Ultrasound scanning controls (Gain, Power, Depth and others). This area can be scrolled
up/down.
10
Ultrasound scanning frame rate (FPS - frames per second).
11
Scanned ultrasound image.
12
The name of connected probe.
13
Phone “Back” button.
3.2. Types of Controls
This section describes software controls that may slightly differ from standard Android controls and
that require some knowledge where and how to touch the screen in order to get desired result.
To change value of some ultrasound scanning parameter (like Gain, Power, Depth), while ultrasound
scanning is running must be clicked corresponding button (then is turned on parameter change mode and
changed button color)
and then done horizontal or vertical sweeps on ultrasound image. After
some time of inactivity, parameter change mode is turned off and button color is restored
.
While parameter change mode is turned on, the same button can be clicked once again to turn change mode
off.
Depending on scanning parameter, the value may be changed either continuously during movement
(sweep) action (e.g., Gain value) or only when finger is released (e.g., Depth value). Required mouse
movement type can be determined by observing hint image (“|” or “:”) at the right of parameter name. For
different scanning parameters are used different controls because different parameters have different
number of values and require different time for programming of ultrasound scanning hardware. For example,
the change of depth value requires much more time than the change of gain value.
If button does not have above mentioned hint image, this means that button action will be performed
after usual click and does not require additional mouse actions on the ultrasound image.
Some software parameters may be controlled by doing actions with finger(s) on the ultrasound
image while buttons of scanning parameters are not active. For example, vertical press-move-release
actions along B mode vertical scale line adjust B mode focusing depth. Press and hold on B mode image at
any vertical position that is at the right of depth scale line will show the TGC curve, and then horizontal
press-move-release actions will change TGC values at desired depths. Pinch operation with two fingers
zooms in/out ultrasound image, sweep on zoomed image changes its position, and single click on zoomed
image restores zoom to 100%. How to adjust each ultrasound scanning parameter and how it affects
ultrasound image quality is described in other sections of this document.
