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EA-200
User’s Guide
E
http://world.casio.com/edu_e/
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Important! GUIDELINES LAID DOWN BY FCC RULES FOR USE OF THE UNIT IN THE U.S.A. Please keep your manual and all information handy for future reference. (not applicable to other areas). NOTICE In no event shall CASIO Computer Co., Ltd. be liable to anyone for special, collateral, This equipment has been tested and found to comply with the limits for a Class B incidental, or consequential damages in connection with or arising out of the purchase or digital device, pursuant to Part 15 of the FCC Rul
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0-1 English Contents –– English –– Handling Precautions ............................................................................0-2 Natural Frequency and Sound .......................................................... 2-6-1 Unpacking .............................................................................................0-3 Column of Air Resonance and the Velocity of Sound ....................... 2-7-1 About the EA-200 ...................................................................
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0-2 English • Never allow foreign objects to get into connector holes. Doing so can result in Handling Precautions malfunction. • The EA-200 is made up of precision components. Never try to take it apart. •Always make sure to connect probes only to their correct terminals. Never force the plug of a probe into a wrong terminal connector. •Avoid dropping the EA-200 and subjecting it to strong impact. • Be sure to turn the EA-200 off before connecting or disconnecting probes. • Do not store the EA-
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0-3 English Unpacking About the EA-200 The EA-200 is a digital device that makes it possible for you to sample data connected with EA-200 Soft case Data communication cable everyday natural phenomena. (SB-62) Data You Can Sample with the EA-200 Various different sensors can be used with the EA-200 to sample temperatures, light, voltage, distance, and other data. The EA-200 supports sampling of up to 120,000 points, and simultaneous sampling over five channels. Sampled data can be sent to a comp
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0-4 English Auto Power Off (APO) AC Adaptor Warning! To extend battery life, power automatically turns off if you do not perform any operation for about 30 minutes. APO is disabled automatically whenever the EA-200 is standing by for • Make sure the voltage of the power supply you are connecting to matches that of the sampling (ready state), or while sampling is in progress. rating marked on the EA-200. Do not overload extension cords and wall outlets. Failure to follow these precautions creates
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Motion Senso 1-1 English Key Functions and Indicator Lamps Chapter 1 Key Functions Analog Channels × 3 To do this: Press this key: General Guide (Analog output for CH3 only) Start a sampling operation from the ready state [START/STOP] Stop an ongoing sampling operation [START/STOP] CH3 CH2 CH1 Use Auto Setup (See “Auto Setup” on page 1-5.) [SET UP] Cancel the ready state [SET UP] Digital input/output port SONIC Channel Indicator Lamps 1 EA-2* When this indicator lamp: Does this: It m
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1-2 English Supported Calculator Models Supported Probes Connection to a supported scientific calculator is essential if you want to get the most out of A probe is a sensor that connects to the EA-200 for sampling temperature, light, and other your EA-200. A connected Graphic Scientific Calculator sends commands that control the data. EA-200 during transfer of sampled data and other operations. Transferred data can be The EA-200 comes with the three probes described below. graphed on the calcula
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1-3 English Sending a Command Using Commands Example 1: To initialize the EA-200 setup Basically, the EA-200 is controlled by commands from the connected calculator. This section {0} → List 1_ _ _ _ _ Stores {0} to List 1. 0 is the command number. explains how to send commands from the calculator to the EA-200. Send (List 1)_ _ _ _ _ Sending List 1 executes Command 0. To use a command, you store parameters as List data on the calculator, and then use the Send command to send the parameters to t
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1-4 English (2) Send Command 1 to configure channel settings. Using the Built-in Microphone • Voltage Probe (that is connected to CH1.) To take 255 samples at 50µs intervals {1, 1, 2} → List 1_ _ _ _ _ The first 1 is the command number, the second 1 is the Send (List 1)_ _ _ _ _ channel number, and the 2 indicates use of the voltage (1) Send Command 0 to initialize the EA-200 setup. probe. {0} → List 1_ _ _ _ _ Stores {0} to List 1. 0 is the command number. Send (List 1)_ _ _ _ _ Sending List 1
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1-5 English Using the Built-in Speaker Status Request This function can be used to fetch the current status of the EA-200. To output sound recorded by the built-in microphone (1) Send Command 0 to initialize the EA-200 setup. To use Status Request {0} → List 1_ _ _ _ _ Stores {0} to List 1. 0 is the command number. {7} → List 1_ _ _ _ _ Sends Command 7. Send (List 1)_ _ _ _ _ Sending List 1 executes Command 0. Send (List 1)_ _ _ _ _ Receive (List 1)_ _ _ _ _ Receives the status information and
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1-6 English 4. Press the EA-200 [START/STOP] key to start sampling. Example Operation The example below shows how a teacher can use the EA-200 Group Link function to • The Sampling lamp flashes as sampling is performed. distribute a sampling program and sampled data. 5. Press the [START/STOP] key again to stop sampling. 1. Students are divided into multiple groups, and each group has its own EA-200. The 6. Connect the EA-200 to the calculator, and then use the Receive command to transfer teacher
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Chapter 2 Examples Uniformly Accelerated Motion Period of Pendular Movement Conservation of Momentum Charles’ Law Polarization of Light Natural Frequency and Sound Column of Air Resonance and the Velocity of Sound Construction of the Musical Scale Direct Current and Transient Phenomena AC Circuit Dilute Solution Properties Exothermic Reaction Electromotive Force of a Battery Sunlight and Solar Cells Topographic Conditions and Climate Program Library
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2-1-1 English Uniformly Accelerated Motion Activity: Activity: Setup Setup Equipment This activity observes the movement of a cart down an incline and investigates uniformly Cart Ramp Stand Protractor acceleration motion caused by gravity. Distance Measurement Setup (EA-200, graphic scientific calculator, data communication 1 cable, optional EA-2* ) Theory Setting Up A cart placed on an inclined ramp starts to move straight down the ramp. This movement is u Affix the EA-2 to the arm of the s
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2-1-2 English Measurement Measurement Activity: Activity: Operating the Equipment Operating the Equipment Measuring Data Calculator Operation u Prepare the Distance Measurement Setup. Immediately after starting the measurement u Find the applicable program in the Program Library (P.2-16-1), input it into your calculator, operation, let the cart go. and then run it. u Display graphs for the distance traveled, velocity, and acceleration of the cart. L(m) : Distance Traveled by Cart u When the
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2-2-1 English Period of Pendular Movement Activity: Activity: Setup Setup Equipment In this activity, we create a simple pendulum and then visually check the periodicity of its String with little elasticity Weight Stand Height adjustment blocks (2) movement, while determining its period. Optical Measurement Setup (EA-200, graphic scientific calculator, data communication cable, optical probe) Theory Building a Pendulum A pendulum is a string whose one end is fixed and whose other end has a w
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2-2-2 English Measurement Measurement Activity: Activity: Operating the Equipment Operating the Equipment Measuring Data Calculator Operation u Prepare the Optical Measurement Setup. u Perform the following operation to prepare for light measurement using the optical probe. u Taking care not to allow the string to go slack, move the weight as shown in the illustration Using E-CON and then gently let it go. m“E-CON”w1(SETUP)b(Wizard)w u After the weight swings back and forward a few times, st
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2-3-1 English Conservation of Momentum Activity: Activity: Setup Setup Equipment The purpose of this activity is to investigate the law of conservation of momentum through Two carts of identical mass String Pulley with a bracket to secure it the collision of two carts. Velcro 500g weight Cushion Distance Measurement Setup (EA-200, graphic scientific calculator, data communication 1 cable, optional EA-2* ) Theory Collisions can take on many different forms, and can involve automobiles, locomot
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2-3-2 English Measurement Measurement Activity: Activity: Operating the Equipment Operating the Equipment Measuring Data Calculator Operation u Prepare the Distance Measurement Setup. Immediately after starting the measurement u Find the applicable program in the Program Library (P.2-16-1), input it into your calculator, operation, allow the weight to drop. and then run it. u Display graphs for the distance traveled, velocity, and acceleration of Cart 1. 1 Hand 2 500g weight 3 Floor 4 String
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2-4-1 English Charles’ Law Activity: Activity: Setup Setup Equipment This activity is designed to confirm Charles’ law through an actual experiment. Syringe (with scale markings) Plastic Container Rubber Tube Rubber Gasket Clip Mixing Stick Warm Water, Cold Water, Ice Theory Temperature Measurement Setup (EA-200, graphic scientific calculator, Increasing the temperature of a gas causes the molecules that make up the gas move data communication cable, temperature probe) faster. The pressure wit
