Agilent Technologies 11970 Series Guía de usuario Pagina 270
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6-78 Chapter6
Front-Panel Key Reference
SPAN X Scale
SPAN X Scale
Activates the Span function and accesses the menu of span functions.
Pressing
SPAN X Scale allows the user to change the frequency range
symmetrically about the center frequency. The frequency-span readout
describes the total displayed frequency range; to determine frequency
span per horizontal graticule division, divide the frequency span by 10.
Span Zoom Finds the highest signal peak on the display. If a marker is not already
on the peak, it places a marker there, turns on the signal-track
function, and activates the span function. The analyzer then reduces
the span in steps, keeping the signal centered on the screen until the
optimum span is reached. The analyzer is left in
Signal Track mode.
Pressing
Span Zoom performs the routine similar to pressing the
following keys:
Search, Frequency, Signal Track (On), and Span.
NOTE Span Zoom leaves the analyzer in Signal Track mode.
NOTE Span Zoom is not available when Segmented (On) is selected.
Full Span Changes the analyzer span to full span showing the full frequency
range of the analyzer. Full span sets
Signal Track (Off) and Segmented
(Off).
Zero Span Changes the frequency span to zero. In this mode, the current center
frequency is displayed in the time domain (the x-axis is displayed in
units of time), like a conventional oscilloscope.
Sweep times faster than those in the frequency domain display mode
are available if Option AYX or B7D are installed.
Resolution Bandwidths less than 1 kHz are unavailable when in zero
span if the sweep time is being achieved by utilizing the Option AYX or
B7D.
NOTE The minimum number of sweep points in zero span is 2.
NOTE Sweep times that would require the Option AYX or Option B7D are not
available in zero span if the Resolution Bandwidth is less than 1 kHz.
NOTE Zero Span sets Signal Track (Off).
- User’s Guide 1
- Warranty 3
- LIMITATION OF WARRANTY 3
- EXCLUSIVE REMEDIES 4
- Contents 10
- 1 Preparing for Use 11
- Initial Inspection 12
- Power Requirements 14
- AC Power Cable 15
- 1-6 Chapter1 16
- Preparing for Use 16
- Preparation 17
- 2 Getting Started 20
- 2-2 Chapter2 21
- Getting Started 21
- Front-Panel Features 22
- Rear-Panel Features 27
- Agilent E4408B 28
- E4404B, E4405B and E4407B 29
- 2-12 Chapter2 31
- Display Annotation 32
- Table 2-3 Screen Annotation 33
- Key Overview 37
- Making a Measurement 39
- Measurement Summary 41
- Chapter 2 2-23 42
- Warm-up Time 43
- File Menu Functions 44
- 2-26 Chapter2 45
- Creating a directory 46
- Format a Floppy Disk 47
- Save a File 48
- Chapter 2 2-31 50
- Load a file 52
- Rename a File 54
- Copy a File 55
- Delete a File 56
- Printer Setup and Operation 57
- Testing Printer Operation 59
- Analyzer Battery Information 60
- 3 Functional Testing 61
- 3-2 Chapter3 62
- Functional Testing 62
- Test Descriptions 63
- Displayed Average Noise Level 64
- E4407B, E4408B 74
- Table 3-1 82
- Frequency Readout Accuracy 83
- Chapter 3 3-25 85
- Marker Count Accuracy 86
- Frequency Response 87
- Reference Level Accuracy 92
- Log Mode Procedure 94
- Linear Mode Procedure 95
- Table 3-6 Test Limits Table 99
- Scale Fidelity 100
- Procedure 101
- Test Limits 103
- Test Description 103
- Required Equipment 104
- Test Limits 106
- Option 1DN 109
- Troubleshooting 112
- 4-2 Chapter4 113
- Check the Basics 114
- Read the Warranty 115
- Service Options 115
- Chapter 4 4-5 116
- 4-6 Chapter4 117
- Service Tag 118
- Original Packaging 118
- Figure 4-1 119
- Other Packaging 120
- Error Messages 121
- Status Messages 122
- 4-14 Chapter4 125
- ESC to reset the 125
- Chapter 4 4-15 126
- Informational Messages 127
- Chapter 4 4-17 128
- 4-20 Chapter4 131
- Load Table key 131
- Error Queues 132
- Error Message Format 133
- Error Message Types 134
- 4-24 Chapter4 135
- No Error 136
- –499 to –400: 137
- Query Errors 137
- Chapter 4 4-27 138
- –499 to –400: Query Errors 138
- –399 to –300: 139
- Device-Specific Error Messages 139
- –299 to –200: 140
- Execution Error Messages 140
- –199 to –100: 141
- Command Errors 141
- Chapter 4 4-31 142
- –199 to –100: Command Errors 142
- 4-32 Chapter4 143
- Chapter 4 4-33 144
- 4-34 Chapter4 145
- 201 to 799: 146
- Device-Specific Errors 146
- Chapter 4 4-37 148
- 4-38 Chapter4 149
- DATA or MERGE 149
- Chapter 4 4-39 150
- 4-40 Chapter4 151
- 4-42 Chapter4 153
- 4-44 Chapter4 155
- Greater than 1000: 156
- 4-46 Chapter4 157
- 4-48 Chapter4 159
- Chapter 4 4-49 160
- 4-50 Chapter4 161
- Chapter 4 4-51 162
- 4-52 Chapter4 163
- Save Table key to save a 163
- 4-54 Chapter4 165
- 5 Menu Maps 166
- Chapter 5 5-3 168
- Menu Maps 168
- 5-4 Chapter5 169
- Chapter 5 5-5 170
- 5-6 Chapter5 171
- Chapter 5 5-7 172
- 5-8 Chapter5 173
- Chapter 5 5-9 174
- 5-10 Chapter5 175
- Chapter 5 5-11 176
- 5-12 Chapter5 177
- Chapter 5 5-13 178
- 5-14 Chapter5 179
- Chapter 5 5-15 180
- 5-16 Chapter5 181
- Chapter 5 5-17 182
- 5-18 Chapter5 183
- Chapter 5 5-19 184
- 5-20 Chapter5 185
- Chapter 5 5-21 186
- 5-22 Chapter5 187
- Chapter 5 5-23 188
- 5-24 Chapter5 189
- Chapter 5 5-25 190
- 5-26 Chapter5 191
- Chapter 5 5-27 192
- Front-Panel Key Reference 193
- AMPLITUDE Y Scale 200
- Auto Couple 205
- Det/Demod 209
- Chapter 6 6-25 217
- Freq Count 228
- FREQUENCY Channel 229
- Input/Output 232
- Marker → 241
- Meas Control 242
- Meas Setup 243
- Chapter 6 6-57 249
- MODE SETUP 250
- Next Window 251
- Peak Search 252
- Print Setup 262
- 6-72 Chapter6 264
- Measure key menu 264
- SPAN X Scale 270
- 6-82 Chapter6 274
- 6-88 Chapter6 280
- System (Local) 284
- Viewing Angle 296
- View/Trace 297
- 7 Options and Accessories 301
- Table 7-1 Option Table 302
- 7-4 Chapter7 304
- Options and Accessories 304
- How to Order Options 305
- 7-6 Chapter7 306
- Pre-amplifier (Option 1DS) 307
- 7-8 Chapter7 308
- Chapter 7 7-9 309
- FM Demodulation (Option BAA) 310
- Chapter 7 7-11 311
- 7-12 Chapter7 312
- Accessories 313
- Software 314
- AC Probe 314
- Chapter 7 7-15 315
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