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7
Contents
Foreword
Conventions Used in This Manual
Checking the Contents of the Package
Safety Precautions
Components and Their Functions
Block Diagram .......................................................................................................................................... 9
Functions ................................................................................................................................................... 9
Front Panel .............................................................................................................................................. 10
Side Panel ................................................................................................................................................ 12
Rear Panel ............................................................................................................................................... 13
Before Starting Generation or Measurement
Usage Precautions ................................................................................................................................... 14
Installation Conditions ............................................................................................................................ 15
Installing Ferrite Core ............................................................................................................................. 15
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Installing Dry Cells ................................................................................................................................. 16
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Supplying AC Power (Optional) ............................................................................................................. 17
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Attaching and Charging Optional Ni-Cd Battery Pack ........................................................................... 18
Turning the Power Switch On and Off ................................................................................................... 20
Turning Backlighting On and Off ........................................................................................................... 20
Averaging, Key Type, International Temperature, Temperature Unit Settings ...................................... 21
Generation
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Connecting the Output Terminal ............................................................................................................. 23
Before Generation ................................................................................................................................... 23
DC Voltage, DC Current, Resistance ...................................................................................................... 24
Thermocouple, Resistance Temperature Detector .................................................................................. 26
Frequency, Pulse Signal .......................................................................................................................... 28
Measurement
Connecting the Input Terminal ............................................................................................................... 30
Measuring the DC Voltage, DC Current, and Resistance ....................................................................... 31
24 V DC Power Supply
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Connecting the Output Terminal ............................................................................................................. 32
Turning Output On and Off .................................................................................................................... 32
Using the RS-232-C Interface
RS-232-C Interface functions ................................................................................................................. 33
Specifications .......................................................................................................................................... 33
Connecting the RS-232-C Interface Cable .............................................................................................. 34
Settings for Communication ................................................................................................................... 35
Before Programming ............................................................................................................................... 39
Using Talk-Only or Printer Mode ........................................................................................................... 39
Troubleshooting
Items to be Checked in the Case of an Abnormality ............................................................................... 40
Error Codes and Corrective Actions ....................................................................................................... 40
Maintenance
Calibration ............................................................................................................................................... 41
Replacing the Ni-Cd Batteries ................................................................................................................ 50
Replacing the Backlighting EL ............................................................................................................... 50
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Replacing the Fuse .................................................................................................................................. 50
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