4.21 System Reset 113
4.21.1 Control Screen Sequence 113
4.21.2 Details of the Setting Process 114
4.22 Continuous Test Function 116
4.22.1 Control Screen Sequence 116
4.22.2 Details of the Setting Process 117
4.23 Setting the Number of Displayed Digits 120
4.23.1 Control Screen Sequence 120
4.23.2 Details of the Setting Process 121
4.24 Setting for Display 122
4.24.1 Control Screen Sequence 122
4.24.2 Details of the Setting Process 123
4.25 Key Lock Function 124
4.25.1 Turning the Key Lock On and Off 124
Chapter 5 Applications 125
5.1 Example of Comparator Application 125
5.2 Testing High Impedance Elements
127
5.3 Testing an Element in a Circuit
128
5.4 External Interference
129
5.4.1 Countermeasures Against Interference from
the Power Supply Line 129
5.4.2 Countermeasures Against Noise from the Test
Cables 131
5.5 The EXT I/O Connector 132
5.5.1 Pinouts for the EXT I/O Connector 132
5.5.2 Signal Lines for the EXT I/O Connector 133
5.5.3 Circuit Construction and Connections for
the EXT I/O Connector 135
5.5.4 Electrical Characteristics of the Output Signals 136
5.6 Testing Using EXT I/O 137
5.6.1 Normal Testing 137
5.6.2 Test on the Continuous Test Screen 139
5.7 Supplying DC Bias 140
5.7.1 How to Supply a DC Bias Voltage 141
5.7.2 How to Supply a DC Bias Current 142
5.8 The Residual Charge Protection Function 143