ii
3.4.2 Connecting/Removing a USB Memory Device ............................................................. 3-8
3.4.3 Graph/Text Printer......................................................................................................... 3-9
3.4.4 Video Printer ............................................................................................................... 3-11
3.4.5 Barcode Reader .......................................................................................................... 3-12
3.5 Wired Network Connection ................................................................................................ 3-17
3.6 System Configuration ......................................................................................................... 3-17
3.6.1 Power-on Running ...................................................................................................... 3-17
3.6.2 Enter Doppler .............................................................................................................. 3-17
3.6.3 System Preset ............................................................................................................ 3-18
3.6.4 Print Preset ................................................................................................................. 3-19
3.6.5 Network Preset ........................................................................................................... 3-20
3.6.6 Network Configure ...................................................................................................... 3-24
3.6.7 DICOM/HL7 Preset ..................................................................................................... 3-30
3.6.8 Security ....................................................................................................................... 3-32
3.6.9 System Information Verification .................................................................................. 3-35
4 Product Principle ........................................................................................................ 4-1
4.1 General Structure of Main Unit’s Hardware System ............................................................ 4-1
4.2 Main Board ........................................................................................................................... 4-2
4.2.1 Power Supply ................................................................................................................ 4-3
4.2.2 Backend ........................................................................................................................ 4-3
4.2.3 Front-end of Main Board ............................................................................................... 4-5
4.3 TR64 Board .......................................................................................................................... 4-6
4.4 Probe Board ......................................................................................................................... 4-6
4.5 PHV Power Supply Board .................................................................................................... 4-7
4.6 ECG Unit .............................................................................................................................. 4-7
4.7 Control Panel ........................................................................................................................ 4-9
4.8 Main Display Unit ............................................................................................................... 4-10
4.9 Probe Extension Board ...................................................................................................... 4-11
4.10 Audio/Video Transfer Module ............................................................................................. 4-12
4.11 USB HUB Board ................................................................................................................. 4-13
4.12 Trolley Power Supply ......................................................................................................... 4-13
4.12.1 Connection Board of Trolley Power Supply ................................................................ 4-14
4.12.2 AC_DC Power Supply ................................................................................................ 4-14
4.12.3 Management Board of Trolley Battery ........................................................................ 4-14
4.13 System Power-on Control .................................................................................................. 4-15
4.14 Internal Connection Diagram of Main Unit and Trolley ...................................................... 4-17
4.15 Details in Main Unit’s Power-on ......................................................................................... 4-17
5 Checking Performance and Functions ..................................................................... 5-1
5.1 Description ........................................................................................................................... 5-1
5.2 Checking System Status ...................................................................................................... 5-1
5.2.1 Running Status ............................................................................................................. 5-1
5.2.2 Working Condition ........................................................................................................ 5-1
5.3 General Check ..................................................................................................................... 5-2
5.3.1 Check Flow ................................................................................................................... 5-2
5.3.2 Check Content .............................................................................................................. 5-2
5.4 Functions Checking .............................................................................................................. 5-5
5.4.1 Checking Flow .............................................................................................................. 5-5
5.4.2 Checking Content ......................................................................................................... 5-5
5.5 Performance Test ............................................................................................................... 5-11
5.5.1 Test Procedures .......................................................................................................... 5-11
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