4-22 Product Principle
 Key backlights: according ID design requirement, lay the LED beneath the button; user knows
different key status and optimized function. Four adjustable levels for backlight’s brightness.
Four adjustable levels for sound volume.
 Signal processing about USB trackball input (including left/right key)
 USB extended function: extend 2 USB interface for user.
 USB communicates with main unit.
 Power on button
 Status indicators: including working status, AC in-place, standby status, hard disk reading
status.
 Support outsourceuser-defined key, and support backlight function; the backlight’s brightness
can be adjusted.
 8-segment TGC sliders.
 Provide the power supply to one gel heater: 12V@3A.
Figure 16 Schematic Diagram of Control Panel Assembly
4.6.2 Primary Display Assembly
Primary display shows the interface of ultrasound application program, including imaging area.
The specifications of Plato’s primary display are:
 21.5 inches, resolution: 1920*1080 @ 60±1Hz.
 Visual angle: left/right angle is equal to or larger than 85°, up/down is equal to or larger
than 85°.
 Adjustable brightness and contrast can be adjusted via communication software.
 Display status indicator.
 Powering: 12V±5%.
 The signal is DVI; the connector is MiniHDMI.
4.6.3 Secondary Display Assembly
The secondary monitor shows auxiliary control interface of ultrasound application program and
completes touch control with touch screen.
The specifications of Plato’s primary display are:
 12.1 inches, resolution: 1280*1080 @ 60±1Hz.
Control
System
USB 1.1
USB 2.0
Status Indicators
PWR_BTN_N
Power
DC-DC
Module
POWER
ON/OFF
Button
Status
Indicator
LED
Character
Key Board
Function
Keys
Encoder Knob TGC Lever
TrackBall
Coupling
Solvent
Heater
Power
USB Ports
Touchscreen
USB 1.1
VBUS
Control Panel Assembly
USB 1.1
VBUS