1609899 Multiscan 1-Nov-06 Chapter 1 Overview 1.1 Features The Multiscan uses the latest micro computer technology: digital scanning conversion (DSC), variable aperture, high dynamics, low noise, wide band receiver, log compression, dynamic filtering and border imaging. These features produce a clear, stable image with high resolution. The main features of the Multiscan are: •...
1609899 Multiscan 1-Nov-06 2.3 Schematic Diagram Figure 2-1. Schematic Circuit Diagram 2.4 Basic Principles The principles of B mode scanning are as follows: human/animal organs have differing densities and ultrasound speeds, i.e. their level of acoustic impedance varies (= average density x acoustic speed). The piezoelectric crystal (transducer) is triggered by an electrical pulse to produce an ultrasound wave of definite frequency.
1609899 Multiscan 1-Nov-06 Chapter 3 Installation 3.1 Environmental Requirements Temperature: +5°C~+40°C Humidity: <80% Atmospheric pressure: 80kpa~106kpa Power supply: AC 220V±22V, 50Hz/60Hz or AC 110V±11V, 60Hz; Display unit: DC 14 V±0.5V Keep the Multiscan away from powerful electrical fields, magnetic fields and high voltage equipment.
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1609899 Multiscan 1-Nov-06 Figure 3-1. Attaching/Detaching Probe to Holder • Attaching/detaching the probe to the holder: The Multiscan has a holder to safely secure the probe. To attach, press the probe against the holder until it snaps into place. To detach, push the probe upwards and take it out (See figure 3-1) •...
1609899 Multiscan 1-Nov-06 3.4 Charging the Battery Pack There are two ways to charge the battery pack (1 ) Charging via Display Unit Make sure that the battery pack is in the display unit. Connect the power cord of the “Input” port in the AC-adaptor to the power outlet, and then connect the power cord of the “Output DC14V/3A”...
1609899 Multiscan 1-Nov-06 Chapter 4 Operating Panel + Mouse 4.1 Operating Panel Figure 4-1. Operating Panel Key functions The Multiscan has 2 operating modes: 1) Real-time scanning: selection of scanning modes (B and/or M modes). 2) Freeze frame: for measurements and data input Numeric Characters + Directional Keys Numeric characters are used for inputting data: ID number, age etc.
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1609899 Multiscan 1-Nov-06 RESET Device Reset Key Press RESET to restart the Multiscan in normal mode if it malfunctions and/or becomes “DEAD” (unable to start by pressing any other key). ZOOM/1 Image Magnification The Multiscan offers 4 levels of image magnification: ×1.0, ×1.2, ×1.5 and ×...
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1609899 Multiscan 1-Nov-06 Veterinary configurations: SWINE: to calculate G. A. of swine In accordance with heart length EQUINE: to calculate G. A. of equine in accordance with gestational sac diameter; BOVINE: to calculate G. A. of bovine in accordance with body length; SHEEP: to calculate G.
1609899 Multiscan 1-Nov-06 M/0 Activate Single M Mode Press M/0. A single M mode image will be displayed on the screen (simplified as “single M”). Figure 4-4. Freeze Frames of 4 Display Modes 4.2 Mouse A three-key mouse makes operating the scanner even easier - use the track ball of the mouse, and the left, middle and right keys to perform the following functions: •...
1609899 Multiscan 1-Nov-06 Chapter 5 Operating Instructions 5.1 Power On Turn the Multiscan on by pressing the power switch on the right side of the display unit and the “power” indicator will light up. Pressing any key (except RESET) will enter scanning mode, after the startup logo has appeared. Adjust brightness, contrast and gain controls on the side of the mainframe to achieve the best visual display.
1609899 Multiscan 1-Nov-06 5.3 Measurement ● Heart rate measurement (for “B/M” or “M” mode only) In “B+M” or “M” mode, measure the distance between two wave crests of the heart beat. The result will appear on the screen; EF indicates slope (mm/s), HR indicates heart rate, T indicates time (ms).
1609899 Multiscan 1-Nov-06 5.5 Photo Shots + Image Printing • Photo Shots Freeze frame image, then use Polaroid camera or digital camera to take photos. • Image Printing Connect “video out” of Multiscan to the video input on printer (connection cable sold separately).
1609899 Multiscan 1-Nov-06 Chapter 6 Routine Maintenance 6.1 Power Supply • Check the AC-adaptor power supply regularly. Do not use if voltage exceeds the recommended rating (AC220V±22V, 50Hz). • Examine the AC-adaptor cable and probe cable regularly. Replace immediately if defective in any way. 6.2 Display Unit •...
1609899 Multiscan 1-Nov-06 6.4 Battery Information • The Multiscan is powered by a rechargeable polymer Li-ion battery. • Please note, a new battery only reaches its optimum performance after 2 or 3 complete charge and discharge cycles. • The battery can be charged and discharged hundreds of times but it will eventually wear out.
1609899 Multiscan 1-Nov-06 Chapter 7 Transportation + Storage 7.1 Environmental Requirements for Transportation + Storage Environmental temperature: - 5˚C ~+55°C Relative humidity: <80% Atmospheric pressure: 80kpa~106kpa 7.2 Transportation The Multiscan packaging is marked in accordance with the requirements of GB191 ”Packing, Storage and Transportation Marks”. The packing box contains shockproof protection for the Multiscan.
1609899 Multiscan 1-Nov-06 Chapter 8 Troubleshooting 8.1 Examination • Ensure the power supply is working normally. Make sure the power cable has been connected to the display unit correctly and inserted into the electric socket. • Make sure the probe has been connected to the Multiscan correctly. 8.2 Malfunction Solution Malfunction symptom Malfunction solution...
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