Mindray DC-68, Service Manual

Page: 70 / 281

4-16 Product Principle
4.6 User interaction Unit
4.6.1 Control Panel Assembly
Control panel carries the most of the user interaction operation of the main unit: imaging mode
switching, parameter adjustment, operation order, etc.
Control panel’s functions of DC-70 V4.0 product:

Power on button

Status indicators: including working status, AC in-place, battery status, standby status,
hard disk reading status.

Alphanumeric keyboard. User-defined keys. Drawer-like: the backlight is on when drawing
out; the backlight is off when pushing in.

Trackball: including right/left keys.

USB port.2 USB 2.0.

Various function keys, encoder. It is decided on industry design. White and orange
backlights. Four adjustable levels for backlight’s brightness. Four adjustable levels for
sound volume.

8-segment TGC slider. TCG assembly from DC-T6/N6 product.

Provide the power supply to one gel heater: 12V@3A.

Provide USB interface to the touch screen.
Control
System
USB 1.1
USB 2.0
Status Indicators
PWR_BTN_N
12V
、
5V
DC-DC
Module
POWER
ON/OFF
Button
Status
Indicator
LED
Character
Key Board
Function
Keys
Encoder Knob TGC Lever
TrackBall
Gel warmer
Power
USB Ports
Touchscreen
USB 1.1
VBUS
Control Panel Assembly
USB 1.1
VBUS
Figure 4-14 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 DC-70 V4.0’s primary display are:

21.5 inches; resolution: 1920*1080.

Visual angle: right/left angle is equal to or larger than 85°; the top and the bottom are equal
to or larger than 85°.

Adjustable brightness and contrast: can be adjusted via keys or communication software.