Casio E-CON2 Operating manual

E-CON2
1E-CON2 Overview
2Using the Setup Wizard
3Using Advanced Setup
4Using a Custom Probe
5Using the MULTIMETER Mode
6Using Setup Memory
7Using Program Converter
8Starting a Sampling Operation
9Using Sample Data Memory
10 Using the Graph Analysis Tools to Graph Data
11 Graph Analysis Tool Graph Screen Operations
All of the explanations provided here assume that you are already familiar
with the operating precautions, terminology, and operational procedures of
the calculator and the EA-200.
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1-1
E-CON2 Overview
1E-CON2 Overview
• From the Main Menu, select E-CON2 to enter the E-CON2 Mode.
•“The E-CON2 Mode” provides the functions listed below for simple and more efficient data
sampling using the CASIO EA-200.
•1(SETUP) ...Displays a screen for setting up the EA-200.
•2(MEM) .......Displays a screen for saving EA-200 setup data under a file name.
•3(PRGM).....Performs program conversion.
•This function converts EA-200 setup data configured by E-CON2 to
a program.
•It can also be used to convert data to a program that can be run on
a CFX-9850 Series/fx-7400 Series calculator, and to transfer the
data to the calculator.
•4(START) ....Starts data collection.
•5(GRPH) .....Graphs data sampled by the EA-200, and provides tools for analyzing
graphs. GraphAnalysis tools include calculation of periodic frequency,
various types of regression, Fourier series calculation, and more.
•6(HELP) ......Displays E-CON2 help.
•Pressing the Kkey (Setup Preview) or a cursor key while the E-CON2 main menu is on
the screen displays a preview dialog box that shows the contents of the setup in the
current setup memory area.
To close the preview dialog box, press i.
About online help
Pressing the 6(HELP) key displays online help about the E-CON2 Mode.
E-CON2 Main Menu

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2Using the Setup Wizard
This section explains how to use the Setup Wizard to configure the EA-200 setup quickly
and easily simply by replying to questions as they appear.
If you need more control over specific sampling parameters, you should consider using the
Advanced Setup procedure on page 3-1.
kSetup Wizard Parameters
Setup Wizard lets you make changes to the following three EA-200 basic sampling
parameters using an interactive wizard format.
•Sensor (Select Sensor):
Specify a CASIO or VERNIER* sensor from a menu of choices.
*Vernier Software & Technology
•Total Sampling Time:
Specify a value within the range of 0.01 second to 30 days.
•Sampling Time Unit (Select Unit):
Specify seconds (sec), minutes (min), hours (hour), or days (day) as the time unit of the
value you input for the total sampling time (Total Sampling Time).
Sensor-specific settings
The type of sensor you select with “Select Sensor” settings affects the settings of the Setup
Wizard as described below.
2-1
Using the Setup Wizard
•The sampling time unit (Select Unit) becomes “ sec” and
cannot be changed.
•The sampling time unit (Select Unit) becomes “ sec” and
cannot be changed.
•You must specify the sampling timing (Gate - Status)
and number of samples (Number of Samples).
•For details, see “Using Setup Wizard to Configure a
PhotoGate Setup” on page 2-3.
•You must specify the distance (Distance) only.
•For details, see “Using Setup Wizard to Configure a
PhotoGate Setup” on page 2-3.
•Requires sampling that is completely different from that
performed with a sensor.
•For details, see “Outputting the Waveform of a
Function through the Speaker” on page 2-4.
[CASIO] - [Mic]
[CASIO] - [SPEAKR] - [Sample]
[VERN] - [P-Gate] - [None]
[VERN] - [P-Gate] - [Pulley]
[CASIO] - [SPEAKR] - [Y=f(x)]
Affects Setup Wizard settings like this:Selecting this with “Select Sensor ” :
Setup Wizard Rules
Note the following rules whenever you use the Setup Wizard.
•The EA-200 sampling channel is CH1 or SONIC.
•The trigger for a Setup Wizard setup is always the wkey.

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uTo configure an EA-200 setup using Setup Wizard
Before getting started...
•Before starting the procedure below, make sure you first decide if you want to start
sampling immediately using the setup you configure with Setup Wizard, or if you want to
store the setup for later sampling.
•See sections 6-1, 7-1, and 8-1 of this manual for information about procedures required to
start sampling and to store a setup. We recommend that you read through the entire
procedure first, referencing the other sections and pages as noted, before actually trying
to perform it.
•To terminate Setup Wizard part way through and cancel the setup, press !i(QUIT).
1. Display the E-CON2 main menu (page 1-1).
2. Press 1(Setup EA-200). This displays the “Setup EA-200” submenu.
3. Press b(Wizard). This displays the “Select Sensor” screen.
4. Press 1to specify a CASIO sensor, or 2to specify a Vernier sensor. Select the
sensor you want from the menu of sensors that appears.
•Selecting a sensor (page 2-1) causes a screen for specifying the total sampling time to
appear.
2-2
Using the Setup Wizard
5. Use the number input keys to input the total sampling time. Just input a value. You will be
able to specify the unit (sec, min, hour, day) of the value you input here in step 7 of this
procedure (see "Sensor-specific settings" on page 2-1).
Note
•If you specify a total sampling time value in the range of 10 seconds to 23 hours, 59
minutes, 59 seconds, real-time graphing will be performed during sampling. This is the
same as selecting the Realtime Mode on the “Advanced Setup” screen.
6. After inputting total sampling time value you want, press w. This displays the “Select
Unit” screen.

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8. Press number keys described below to specify what you want to do with the setup you
have configured.
b(Start Setup) ................ Starts sampling using the setup (page 8-1)
c(Save Setup-MEM) ...... Saves the setup (page 6-2)
d(Convert Program)....... Converts the setup to a program (page 7-1)
kUsing Setup Wizard to Configure a PhotoGate Setup
Connection of a Vernier PhotoGate requires configuration of setup parameters that are
slightly different from parameters for other types of sensors.
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uTo configure a setup for PhotoGate alone
1. Perform the first three steps of the procedure under “To configure an EA-200 setup using
Setup Wizard” on page 2-2.
2. On the “Select Sensor” screen, select [VERN] - [P-Gate] - [None].
•This causes a “Gate Status” screen to appear.
2-3
Using the Setup Wizard
7. Use number keys bthrough fto specify the unit for the value you specified in step 5.
•When you select a unit, the Final Setup Wizard screen appears on the display.
•“Open” means the photo path is not blocked, while “Close” means the photo path is
blocked.
•The gate status defines what PhotoGate status should cause timing to start, and what
status should cause timing to stop.
Open-Open ......Timing starts when the gate opens, and continues until it closes and
then opens again.
Open-Close ......Timing starts when the gate opens, and continues until it closes.
Close-Open ......Timing starts when the gate closes, and continues until it opens and
then opens again.
Close-Close......Timing starts when the gate closes, and continues until it opens and
then closes again.
Final Setup Wizard Screen

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2-4
Using the Setup Wizard
4. Input an integer in the range of 1 to 255 to specify the number of samples.
5. Perform step 8 under “To configure an EA-200 setup using Setup Wizard” on page 2-2 to
finalize the procedure.
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uTo configure a setup for PhotoGate and Smart Pulley
1. Perform the first three steps of the procedure under “To configure an EA-200 setup using
Setup Wizard” on page 2-2.
2. On the “Select Sensor” screen, select [VERN] - [P-Gate] - [Pulley].
•This causes an “Input Distance(m)” screen to appear.
•The distance you specify here is the distance the weight travels after it is released.
•Input a value in the range of 0.1 to 4 to specify the distance in meters.
3. Perform step 8 under “To configure an EA-200 setup using Setup Wizard” on page 2-2 to
finalize the procedure.
kOutputting the Waveform of a Function through the Speaker
Normally, the Setup Wizard helps you configure setups for sensors connected to the EA-200.
If you select [CASIO] - [SPEAKR] - [Y=f(x)] on the “Select Sensor” screen, however, it
configures the EA-200 to output the sound that corresponds to a function that you input and
graph on the calculator.
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uTo configure a setup for speaker output
1. Connect the data communication cable (SB-62) to the communication port of the
calculator and the MASTER port of the EA-200.
2. Display the E-CON main menu (page 1-1), and then press 1(Setup EA-200).
•This displays the “Setup EA-200” submenu.
3. Press b(Wizard). This displays the Setup Wizard initial screen.
3. Use function keys 1through 4to select a Gate Status setting.
•Selecting a gate status causes a screen for specifying the number of samples to appear.

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2-5
Using the Setup Wizard
5. Press wto advance to the View Window setting screen.
•The following settings are configured automatically: Ymin = –1.5 and Ymax = 1.5. Do not
change these settings.
6. Press wor ito advance to the graph function list.
7. In line “Y1”, input the function of the waveform for the sound you want to input.
•Note that the angle unit is always radians.
•Input a function where the value of “Y” is within the range of –1.5 to +1.5.
8. Press 6(DRAW) to graph the function.
•This graphs the function and displays a vertical cursor line as shown below. Use the
graph to specify the range that you want to output to the speaker.
9. Use the dand ecursor keys to move the cursor to the start point of the output, and
then press wto register it.
10.Use the dand ecursor keys to move the cursor to the end point of the output, and
then press wto register it.
•After you specify the start point and end point, a dialog box like the one shown below
appears on the display.
4. Select [CASIO] - f(SPEAKR) - c(Y=f(x)).
This displays a screen like the one shown below.
/

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2-6
Using the Setup Wizard
11.Input a percent value for the output frequency value you want.
•Tooutput the original sound as-is, specify 100%. Toraise the original sound by one octave,
input a value of 200%. To lower the original sound by one octave, input a value of 50%.
12.After inputting an output frequency value, press w.
•This outputs the waveform between the start point and end point from the EA-200 speaker.
•If the sound you configured cannot be output for some reason, the message “Range
Error” will appear. Note that the supported output range is 200 to 4000Hz. If this
happens, press ito scroll back through the previous setting screens and change the
setup as required.
13.To terminate sound output, press the EA-200 [START/STOP] key.
•Pressing wafter terminating sound output returns to the output frequency dialog box in
step 11.

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3Using Advanced Setup
Advanced Setup provides you with total control over a number of parameters that you can
adjust to configure the EA-200 setup that suits your particular needs.
The procedures in this section provide the general steps you should perform when using
Advanced Setup to configure an EA-200 setup, and to returns setup settings to their initial
default values. You can find details about individual settings and the options that are
available with each setting are provided by the explanations that start on page 3-2.
kAdvanced Setup Operations
uTo configure an EA-200 setup using Advanced Setup
The following procedure describes the general steps for using Advanced Setup. Refer to the
pages as noted for more information.
1. Display the E-CON2 main menu (page 1-1).
2. Press 1(SETUP). This displays the “Setup EA-200” submenu.
3. Press c(Advan). This displays the Advanced Setup menu.
4. If you want to configure a custom probe at this point, press f(Custom Probe). Next,
follow the steps under “To configure a custom probe setup” on page 4-1.
•You can also configure a custom probe during the procedure under “To configure Channel
Setup settings” on page 3-2.
•Custom probe configurations you have stored in memory can be selected using Channel
in step 5, below.
5. Use the Advanced Setup function keys described below to set other parameters.
•b(Channel) .... Displays a screen that shows the sensors that are currently
assigned to each channel (CH1, CH2, CH3, SONIC, Mic). You can
also use this dialog to change sensor assignments. See “Channel
Setup” on page 3-2 for more information.
•c(Sample) ..... Displays a screen for selecting the sampling mode, and for
specifying the sampling interval, the number of samples, and the
warm-up mode. When “Fast” is selected for “Mode”, this dialog box
also displays a setting for turning FFT (frequency characteristics)
graphing on and off. See “Sample Setup” on page 3-4 for more
information.
3-1
Using Advanced Setup
Advanced Setup Menu

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3-2
Using Advanced Setup
•d(Trigger) ...... Displays a screen for configuring sampling start (trigger) conditions.
See “Trigger Setup” on page 3-6 for more information.
•e(Graph) ....... Displays a screen for configuring graph settings. See “Graph Setup”
on page 3-8 for more information.
•You can return the settings on the above setup screens (bthrough e) using the
procedure described under “To return setup parameters to their initial defaults”.
6. After you configure a setup, you can use the function key operations described below to
start sampling or perform other operations.
•1(START) ....Starts sampling using the setup (page 8-1).
•2(MULT) ......Starts MULTIMETER Mode sampling using the setup (page 5-1).
•3(MEM) .......Saves the setup (page 6-1).
•4(PRGM).....Converts the setup to a program (page 7-1).
•5(GRPH) .....Graphs data sampled by the EA-200, and provides tools for analyzing
graphs (page 10-1).
•6(ABOUT) ...Displays version information about the EA-200 unit that is currently
connected to the calculator.
uTo return setup parameters to their initial defaults
Perform the following procedure when you want to return the parameters of the setup in the
current setup memory area to their initial defaults.
1. While the Advanced Setup menu (page 3-1) is on the display, press g(Initialize).
2. In response to the confirmation message that appears, press wto initialize the setup.
•To clear the confirmation message without initializing the setup, press i.
kChannel Setup
The Channel Setup screen shows the sensors that are currently assigned to each channel
(CH1, CH2, CH3, SONIC, Mic).
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uTo configure Channel Setup settings
1. While the Advanced Setup menu (page 3-1) is on the display, press b(Channel).
•This displays the Channel Setup screen.
Currently selected channel
Channel Setup Screen

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3-3
Using Advanced Setup
2. Use the fand ccursor keys to move the highlighting to the channel whose setting
you want to change.
3. What you need to do next depends on the currently selected channel.
•CH1, CH2, or CH3
Press a function key to display a menu of sensors that can be assigned to the selected
channel.
1(CASIO) ......Displays a menu of CASIO sensors.
2(VERN) .......Displays a menu of Vernier sensors.
3(CSTM) .......Displays a menu of custom probes.
4(None).........Press this key when you want leave the channel without any sensor
assigned to it.
•SONIC Channel
For this channel, the sensor is automatically set to Motion Sensor (EA-2). However, you
need to configure the settings described below.
1(Meters) ......Specifies meters as the measurement unit.
2(Feet) ..........Specifies feet as the measurement unit.
K..................Press to toggle smoothing (correction of erroneous samples) on
(“-Smooth” displayed) and off (“-Smooth” not displayed).
4(None).........Select this option to disable the SONIC channel.
•Mic Channel
For this channel, the sensor is automatically set to Built-in (External) Microphone.
However, you need to configure the settings described below.
1(Active)........Select this option to enable the Mic channel.
4(None).........Select this option to disable the Mic channel.
4. Repeat steps 2 and 3 as many times as necessary to configure all the channels you want.
5. After all the settings are the way you want, press w.
•This returns to the Advanced Setup menu.
Note
•When you select a channel on the Channel Setup screen, the sampling range of the
selected channel appears in the bottom line of the screen.
In this example, the range of the temperature sensor assigned to CH2 appears.

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3-4
Using Advanced Setup
kSample Setup
The Sample Setup screen lets you configure a number of settings that control sampling.
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uTo configure Sample Setup settings
1. While the Advanced Setup menu (page 3-1) is on the display, press c(Sample).
•This displays the Sample Setup screen.
2. To change the sampling mode setting, use the fand ccursor keys to move the
highlighting to “Mode”. Next, press 1(MODE) to display a mode selection menu.
•Note that the mode you select also determines the channel(s) you can use.
Perform sampling over a long time (weather, etc.)
•The EA-200 enters a power off sleep state while stand-
ing by.
Select this
mode:
To do this:
Selectable
Channel(s)
Realtime
CH1-3, SONIC
Graph data in real-time as it is sampled
Extended
CH1
Fast
Mic
Performsampling of high-speedphenomena(sound, etc.)
Period CH1
Perform periodic sampling, from a start trigger event to
an end trigger event
Sound
CH1-3, SONIC
Output from the speaker sound sampled with the micro-
phone
Clock
CH1, Mic
Record the time of the occurrence of a particular trigger
event as an absolute value starting from 0, which is the
sampling start time Normal
CH1-3, SONIC
Perform sampling other than that described above
Currently selected item
3. To change the sampling interval setting, move the highlighting to “Sampling Interval”.
Next, press 1to display a dialog box for specifying the sampling interval.
•The range of values you can select depends on the current sampling mode setting.
If this sampling mode is selected: This is the allowable setting range:
Realtime 0.3 second to 299sec
Fast 20usec to 500usec
Extended 5 minutes to 4hours
Period “=Trigger” only (no value input required)
Sound 20usec to 27usec
Clock “=Trigger” only (no value input required)
Normal 500usec to 299sec
Sample Setup Screen

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3-5
Using Advanced Setup
4. To change the number of samples setting, move the highlighting to “Number”. Next, press
1to display a dialog box for specifying the number of samples.
Important!
•When all of the following conditions exist, a “Distance” setting appears in place of the
“Number” setting. See “To configure the Distance setting” below for information about
configuring the “Distance” setting.
•Channel Setup (page 3-2): [VERN] - [P-Gate]- [Pulley]
•Sampling Mode (page 3-4): Clock
•You can specify a value in the range of 10 to 30,000.
•The total sampling time shown at the bottom of the dialog box is calculated by multiply-
ing the “Sampling Interval” value you specified in step 3 by the number of samples you
specify here.
5. To change the warm-up time setting, move the highlighting to “Warm-up”. Next, perform
one of the function key operations described below.
Note
•The “Warm-up” setting will not be displayed on the Sample Setup screen if “Fast” or
“Sound” is currently selected as the sampling mode.
Important!
•When the following condition exists, an “FFT Graph” setting appears in place of the
“Warm-up” setting. See “To configure the FFT Graph setting” below for information about
configuring the “FFT Graph” setting.
•Sampling Mode (page 3-4): Fast
6. After all the settings are the way you want, press w.
•This returns to the Advanced Setup menu.
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uTo configure the Distance setting
In place of step 3 of the procedure under “To configure Sample Setup settings”, press 1to
display a dialog box for specifying the distance the weight travels in meters.
•Specify a value in the range of 0.1 to 4 meters.
uu
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uTo configure the FFT Graph setting
In place of step 5 of the procedure under “To configure Sample Setup settings”, press 1to
display a dialog box for turning frequency characteristic graphing (FFT Graph) on and off.
To do this: Press this key:
Turn on graphing of frequency characteristics after sampling 1(On)
Turn off graphing of frequency characteristics after sampling 2(Off)
To do this: Press this key:
Have the warm-up time for each sensor set automatically 1(Auto)
Input a warm-up time, in seconds, manually 2(Manual)
Disable the warm-up time 3(None)

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3-6
Using Advanced Setup
kTrigger Setup
Use the Trigger Setup screen to configure measurement start (trigger) conditions.
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uTo configure Trigger Setup settings
1. While the Advanced Setup menu (page 3-1) is on the display, press d(Trigger).
•This displays the Trigger Setup screen.
2. To change the trigger source setting, use the fand ccursor keys to move the
highlighting to “Trigger Source”. Next, press 1([EXE]) to display a trigger source
selection menu.
•Note that selecting trigger source setting displays other settings that need to be
configured for the selected trigger source.
3. What you need to do next depends on what trigger source you selected in step 2.
Currently selected item
To select this trigger source: Press this key:
Completion of a countdown timer operation 2(Count)
Pickup of sound by the EA-200 built-in microphone 5(Mic)
wkey operation 1([EXE])
Surpassing of a threshold value by SONIC input 4(SONIC)
Attainment of a threshold value by CH1 input 3(CH1)
If you selected this
trigger source:
Do this next:
1([EXE]) Press wto finalize Trigger Setup and return to theAdvanced Setup menu.
2(Count) Specify the countdown start time (page 3-6).
3(CH1) Specify the trigger threshold value and trigger edge direction (page 3-7).
4(SONIC) Specify the trigger threshold value and trigger edge type (page 3-7).
5(Mic) Specify microphone sensitivity (page 3-7).
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uTo specify the countdown start time
1. Move the highlighting to “Timer”.
2. Press 1(TIMER) to display a dialog box for specifying the countdown start time.
3. Input a value in seconds from 1 to 10.
4. Press wto finalize Trigger Setup and return to theAdvanced Setup menu.
Trigger Setup Screen

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3-7
Using Advanced Setup
uu
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uTo specify microphone sensitivity
1. Move the highlighting to “Sense” and then press one of the function keys describe below.
2. Press wto finalize Trigger Setup and return to the Advanced Setup menu (page 3-1).
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uTo specify the trigger threshold value and trigger edge type
Perform the following steps when “Fast”, “Normal”, or “Clock” is specified as the sampling
mode (page 3-4).
1. Move the highlighting to “Threshold”.
2. Press 1(EDIT) to display a dialog box for specifying the threshold trigger value, which is
value that data needs to attain before sampling starts.
3. Input the value you want.
4. Move the highlighting to “Edge”.
5. Press one of the function keys described below.
6. Press wto finalize Trigger Setup and return to theAdvanced Setup menu (page 3-1).
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uTo configure trigger threshold, trigger start edge, and trigger end edge settings
Perform the following steps when “Period” is specified as the sampling mode (page 3-4).
1. Move the highlighting to “Threshold”.
2. Press 1(EDIT) to display a dialog box for specifying the threshold trigger value, which is
value that data needs to attain before sampling starts.
3. Input the value you want.
4. Move the highlighting to “Start to”.
To select this level of microphone sensitivity: Press this key:
Low 1(Low)
High 3(High)
Medium 2(Mid)
Measurement unit supported by assigned sensor
Sensor assigned to CH1 or SONIC by Channel Setup
(page 3-3)
To select this type of edge: Press this key:
Falling 1(Fall)
Rising 2(Rise)
To select this type of edge: Press this key:
Falling 1(Fall)
Rising 2(Rise)
5. Press one of the function keys described below.
6. Move the highlighting to “End Edge”.

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3-8
Using Advanced Setup
7. Press one of the function keys described below.
8. Press wto finalize Trigger Setup and return to theAdvanced Setup menu (page 3-1).
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uTo configure PhotoGate trigger start and end settings
Perform the following steps when CH1 is selected as a Photogate trigger source.
1. Move the highlighting to “Start to”.
2. Press one of the function keys described below.
3. Move the highlighting to “End Gate”.
4. Press one of the function keys described below.
5. Press wto finalize Trigger Setup and return to the Advanced Setup menu (page 3-1).
kGraph Setup
Use the Graph Setup screen to configure settings for the graph produced after sampling is
complete. You use the Sample Setup settings (page 3-4) to turn graphing on or off.
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uTo configure Graph Setup settings
1. While the Advanced Setup menu (page 3-1) is on the display, press e(Graph).
•This displays the Graph Setup screen.
To select this type of edge: Press this key:
Falling 1(Fall)
Rising 2(Rise)
To specify this PhotoGate status: Press this key:
PhotoGate closed 1(Closed)
PhotoGate open 2(Open)
To specify this PhotoGate status: Press this key:
PhotoGate closed 1(Closed)
PhotoGate open 2(Open)
Currently selected item
Graph Setup Screen

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3-9
Using Advanced Setup
20011101
•When the graph data is stored in a sample data memory file, the file name appears as
the source data name. When the graph data is stored in current data area, the channel
name appears.
To specify this coordinate display setting for the trace operation: Press this key:
Display trace coordinates 1(On)
Hide trace coordinates 2(Off)
To specify this axes display setting: Press this key:
Display axes 1(On)
Hide axes 2(Off)
To specify this real-time scrolling setting: Press this key:
Real-time scrolling on 1(On)
Real-time scrolling off 2(Off)
3. To change the trace operation coordinate display setting, use the fand ccursor keys
to move the highlighting to “Coord”. Next, press one of the function keys described below.
4. To change the numeric axes display setting, use the fand ccursor keys to move the
highlighting to “Econ Axes”. Next, press one of the function keys described below.
2. To change the graph source data name display setting, use the fand ccursor keys
to move the highlighting to “Graph Func”. Next, press one of the function keys described
below.
To specify this graph source data name display setting: Press this key:
Display source data name 1(On)
Hide source data name 2(Off)
5. To change the real-time scroll setting, use the fand ccursor keys to move the
highlighting to “RealScroll”. Next, press one of the function keys described below.
6. Press wto finalize Graph Setup and return to the Advanced Setup menu.
Note
•For details about sample data memory and current data area, see “9 Using Sample Data
Memory”.

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4 Using a Custom Probe
You can use the procedures in this section to configure a custom probe for use with the EA-
200. The term “custom probe” means any sensor other than the CASIO or Vernier sensors
specified as standard for the E-CON2 Mode.
kConfiguring a Custom Probe Setup
To configure a custom probe setup, you must input values for the constants of the fixed
linear interpolation formula (ax + b). The required constants are slope (a) and intercept (b). x
in the above expression (ax + b) is the sampled voltage value (sampling range: 0 to 5 volts).
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uTo configure a custom probe setup
1. From the E-CON2 main menu (page 1-1), press 1(SETUP) and then c(Advan) to
display the Advanced Setup menu.
•See “3 Using Advanced Setup” for more information.
2. On the Advanced Setup menu (page 3-1), press f(Custom Probe) to display the Custom
Probe List.
4-1
Using a Custom Probe
•The message “No Custom Probe” appears if the Custom Probe List is empty.
3. Press 2(NEW).
•This displays the screen for inputting the name of the new custom probe.
4. Input up to 18 characters for the custom probe name, and then press w.
•This displays the screen for configuring a new custom probe.
5. Use the function keys described below to configure the custom probe setup.
•To change the setting of an item, first use the fand ccursor keys to move the
highlighting to the item. Next, use the function keys to select the setting you want.
(1) Slope
Press 1(EDIT) to display a dialog box for inputting the slope for the linear
interpolation formula.
(2) Intercept
Press 1(EDIT) to display a dialog box for inputting the intercept for the linear
interpolation formula.

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(3) Unit Name
Press 1(EDIT) to display a dialog box for inputting up to eight characters for the unit
name.
6. Press wand then input a memory number (1 to 99).
•This saves the custom probe setup and returns to the Custom Probe List, which should
now contain the new custom probe setup you configured.
kAuto Calibrating a Custom Probe
Auto calibration automatically corrects the slope and intercept values of a custom probe
setup based on two actual samples.
Important!
•Before performing the procedure below, you should prepare two conditions whose
measurement values are known.
•When inputting reference value in step 4 of the procedure below, input the exact known
measurement value of the condition you will sample in step 5. When inputting reference
value in step 6 of the procedure below, input the exact known measurement value of the
condition you will sample in step 7.
uu
uu
uTo auto calibrate a custom probe
1. Connect the calculator and EA-200, and connect the custom probe you want to auto
calibrate to CH1 of the EA-200.
2. Perform steps 1 through 4 of the procedure under “To configure a custom probe setup” on
page 4-1.
3. Press 2(CALIB).
•This displays a dialog box like the one shown below.
4-2
Using a Custom Probe
4. Input a reference value for the first sample.
5. Press w.
•This performs a sampling operation, and stores the value you input in step 4 and the
sampled value. Next, the dialog box for inputting a reference value reappears.
6. Input a reference value for the second sample.
7. Press w.
•This performs a sampling operation, and stores the value you input in step 6 and the
sampled value.

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•Next, the EA-200 calculates liner interpolation for the first set of values (reference and
sampled), and the second set of values, and automatically inputs them for the slope and
intercept values of the custom probe. The Edit Slope screen appears on the display with
the new values.
4-3
Using a Custom Probe
8. Use the fand ccursor keys to move the highlighting to “Unit Name”, and then press
1(Edit) to display a dialog box for inputting up to eight characters for the unit name.
9. Press w, and then input a memory number from 1 to 99.
•This saves the custom probe setup and returns to the custom probe list, which should
now contain the new custom probe.
kManaging Custom Probe Setups
Use the procedures in this section to edit and delete existing custom probe setups.
uTo edit a custom probe setup
1. Display the Custom Probe List.
2. Select the custom probe setup whose configuration you want to edit.
•Use the fand ccursor keys to highlight the name of the custom probe you want.
3. Press 3(EDIT).
•This displays the screen for configuring a custom probe setup.
•To edit the custom probe setup, perform the procedure starting from step 5 under “To
configure a custom probe setup” on page 4-1.
uTo delete a custom probe setup
1. Display the Custom Probe List.
2. Select the custom probe setup you want to delete.
•Use the fand ccursor keys to highlight the name of the custom probe setup you
want.
3. Press 4(DEL).
4. In response to the confirmation message that appears, press wto delete the custom
probe setup.
•To clear the confirmation message without deleting anything, press i.