
12 Contents
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Agilent Technologies
1
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3458A Multimeter
1
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User’s Guide
1
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Safety Symbols
3
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WARNINGS
3
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Documentation History
3
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DECLARATION OF CONFORMITY
4
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Contents
7
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8 Contents
8
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Contents 9
9
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10 Contents
10
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Contents 11
11
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12 Contents
12
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Introduction
15
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Initial Inspection
15
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Options and Accessories
16
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Installing the Multimeter
17
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Setting the Line
18
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Voltage Switches
18
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Installing the Line
18
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Power Fuse
18
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Connecting the GPIB
19
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Mounting the
20
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Multimeter
20
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Maintenance
21
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Chapter 2 Getting Started
23
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24 Chapter 2 Getting Started
24
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Chapter 2 Getting Started
25
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Table 5. Power-On State
26
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Table 6. Display Annunciators
27
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Figure 6. Front Panel
27
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Making a
28
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Measurement
28
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Changing the
28
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Function
28
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Autorange and
29
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Manual Ranging
29
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Reading the Error
31
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Register
31
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Resetting the
32
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Using the
32
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Configuration Keys
32
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Installing the
41
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Keyboard Overlay
41
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Operating from Remote
42
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OUTPUT 722; "BEEP"
43
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OUTPUT 722;"ID?"
43
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10 ENTER 722;A$
43
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20 PRINT A$
43
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10 ENTER 722;A
44
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20 PRINT A
44
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General Configuration
47
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Registers
48
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°C from when
49
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Selecting the Input
50
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Terminals
50
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Suspending
51
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Presetting the
52
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Specifying a
53
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Table 12: DC Voltage Ranges
55
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Table 13: DC Current Ranges
56
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Table 14: Resistance Ranges
56
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10MW 12.000000MW 1W 500nA
57
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100MW 120.00000MW 10W 500nA
57
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1GW 1.2000000GW 100W 500nA
57
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Configuring the A/D
58
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Converter
58
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• 1- 10 PLC in 1 PLC steps
59
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× 100 = 0.01
60
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Fixed Input
62
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Resistance
62
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Synchronous Sampling
63
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Conversion
63
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Random Sampling
64
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Specifying the AC
64
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Voltage Method
64
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Specifying
66
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Bandwidth
66
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When to Specify
69
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Using Subprogram Memory
71
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Executing a
72
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Subprogram
72
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Autostart
73
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Compressing
73
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Using State Memory
74
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Using the Input Buffer
75
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Using the Status Register
75
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Reading the Status
77
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Chapter 4 Making Measurements
79
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Triggering Measurements
81
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Table 20: Event Parameters
82
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Making Single
83
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Making Multiple
83
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Multiple Trigger
84
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Making Synchronous
84
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Making Timed
85
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Making Delayed
86
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External Trigger
88
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Buffering
88
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Table 21. Event Combinations
89
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Reading Formats
92
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Using Reading Memory
94
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20 ENTER 722;A
96
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30 PRINT A
96
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Using the SINT or
99
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DINT Output Format
99
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Using the SREAL
101
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Output Format
101
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Using the DREAL
101
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Increasing the Reading Rate
102
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Readings
103
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Configuring for Fast
103
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Integration Time and
104
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Resolution
104
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High-Speed Transfer
107
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Determining the
109
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Reading Rate
109
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The EXTOUT Signal
110
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Math Operations
116
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Table 23: Math Registers
117
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·100 = 0.01 · 100 = 1
120
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Table 24: STAT Registers
122
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Measuring
125
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Temperature
125
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Chapter 5 Digitizing
127
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128 Chapter 5 Digitizing
128
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Chapter 5 Digitizing
129
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Table 26: Digitizing Methods
130
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The Sampling Rate
131
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Level Triggering
132
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Chapter 5 Digitizing 133
133
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DCV Digitizing
134
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136 Chapter 5 Digitizing
136
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Direct-Sampling
137
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Direct Sampling
138
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Sub-Sampling
139
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Fundamentals
140
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The Sync Source
141
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142 Chapter 5 Digitizing
142
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Sending Samples to
144
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Chapter 5 Digitizing 145
145
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Viewing Sampled Data
146
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Chapter 5 Digitizing 147
147
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148 Chapter 5 Digitizing
148
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Chapter 6 Command Reference
149
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Standard Query
153
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Commands
153
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Additional Query
153
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Commands by Functional Group
155
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ACDCI, ACDCV, ACI, ACV
159
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Syntax AUXERR?
161
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Auxiliary Error
161
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Conditions
161
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Syntax AZERO [control]
162
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• Related Commands: TONE
164
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Syntax CALNUM?
165
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COMPRESS
166
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Syntax CONT
167
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Syntax CSB
167
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DCI, DCV
168
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Syntax DEFKEY number,string
169
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Examples DEFKEY
170
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Syntax DELAY [time]
170
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DIAGNOST
171
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• Related Commands: NDIG
172
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Syntax EMASK [value]
174
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• Related Commands: OFORMAT
176
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Syntax ERR?
177
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Syntax ERRSTR?
178
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Syntax FIXEDZ [control]
180
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Syntax FSOURCE [source]
182
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Syntax ID?
186
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Syntax INBUF [control]
186
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Syntax ISCALE?
188
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Examples SINT Example
188
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Syntax LFILTER [control]
191
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Syntax LFREQ [frequency]
191
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Syntax LINE?
192
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• Related Commands: LFREQ
193
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Syntax MCOUNT?
196
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Syntax MEM [mode]
196
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Syntax MENU [mode]
198
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Syntax MFORMAT [format]
198
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• Related Commands: DISP
204
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1 - 10 PLC in 1 PLC steps
205
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Syntax NRDGS [count][,event]
206
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Examples SYN Event
208
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• Related Commands: OHM, OHMF
209
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Syntax OFORMAT [format]
210
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Examples SINT Format
211
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DREAL Format
213
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• Related Commands: QFORMAT
214
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Syntax PAUSE
215
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TRIGGER 7
216
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Syntax PRESET [type]
217
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• Related Commands: RESET
219
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Examples NORM
220
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ARANGE ON
221
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WÿMAX, 10mW
223
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Syntax RATIO [control]
224
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Syntax RES [%_resolution]
225
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Syntax RESET
226
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• Related Commands: PRESET
227
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Syntax REV?
228
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Syntax RMATH [register]
228
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Syntax RQS [value]
230
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Syntax RSTATE [name]
231
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Examples Changing the Code
233
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Syntax SETACV [type]
233
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Syntax SLOPE [slope]
234
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!LEVEL DETECTION
235
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Syntax SRQ
236
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SSAC, SSDC
237
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Syntax SSPARM?
240
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Syntax SSRC [source][,mode]
241
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Syntax SSTATE name
244
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30 PRINT A !PRINTS RESPONSE
245
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Syntax SUB name
246
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Syntax SUBEND
248
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Syntax T [event]
251
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Syntax TBUFF [control]
253
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Syntax TEMP?
254
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Syntax TERM [source]
254
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Syntax TEST
255
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Syntax TIMER [time]
255
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Syntax TONE
256
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Syntax TRIG [event]
256
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How It Works
261
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BASIC Language Commands
262
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BINIOR, BIT, ROTATE, SHIFT
263
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New Multimeter Commands
264
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Variables and Arrays
266
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Note PROGRAMMING HINT
267
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Variables for Data
268
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Reading Multimeter
268
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General Purpose Math
269
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Making Comparisons
272
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Subprograms
273
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Subprogram Command Types
275
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Execution
277
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Appendix A Specifications
281
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282 Appendix A Specifications
282
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Appendix A Specifications
283
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1 / DC Voltage
284
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2 / Resistance
285
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2 Accuracy
286
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3 / DC Current
287
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4 / AC Voltage
288
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Settling Characteristics
289
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5 / AC Current
293
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6 / Frequency/ Period
294
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7 / Digitizing Specifications
295
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Voltage
296
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8 / System Specifications
297
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9 / Ratio
298
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10 / Math Functions
298
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11 / General Specifications
299
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Appendix B GPIB Commands
301
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302 Appendix B GPIB Commands
302
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Appendix B GPIB Commands
303
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ABORT 7 (IFC)
304
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CLEAR (DCL or SDC)
304
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LOCAL (GTL)
304
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LOCAL LOCKOUT (LLO)
305
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SPOLL (Serial Poll)
306
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TRIGGER (GET)
307
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Rear Terminals and Guard
309
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Terminal Switches
309
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Front/Rear Terminals and
311
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Guard Terminal Switches
311
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Covers Removal
312
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Procedure
312
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Figure 36. 3458 Left side
313
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Figure 38. 3458 Rear view
314
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Switch Cap
316
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Installation
316
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Covers Installation
318
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Maximizing the Testing Speed
322
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Topics Covered in
323
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Optimizing
324
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Through the DCV
324
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DCV,20;RES.001
326
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AC Volts and AC Current
328
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Comparison of ACV
329
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Frequency and
330
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State Storage and
331
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Program Memory
331
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A Benchmark
333
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With the 3458A
347
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Digitizing Analog
350
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Using the DCV Path
351
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Capturing the Data
352
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[SWEEP 100E-9,4096]
354
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High Speed Data Transfers
355
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1270 CALL Wfdgtz(1)
356
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Starter Main
357
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Errors in Measurements
358
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Figure 60. These
359
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Trigger and
361
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Timebase Errors
361
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INDEX 363
363
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364 INDEX
364
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INDEX 365
365
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366 INDEX
366
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INDEX 367
367
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368 INDEX
368
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INDEX 369
369
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370 INDEX
370
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INDEX 371
371
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372 INDEX
372
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*03458-90014*
374
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