8591c使用说明

purpel03

Contents
1. About This Guide
Other HP 8591C Cable TV Analyzer Documentation . . 1-3
Documentation Options . . . . . . . . . . . . . . 1-4
How to Order Guides . . . . . . . . . . . . . . . 1-4
Before You Begin . . . . . . . . . . . . . . . . . . 1-5
Conventions . . . . . . . . . . . . . . . . . . . 1-5
Safety Notes . . . . . . . . . . . . . . . . . . . 1-6
General Safety Considerations . . . . . . . . . . . . 1-7
Symbols Used on the Cable TV Analyzer . . . . . . . 1-8
2. Preparing for Use
What You'll Learn in This Chapter . . . . . . . . . . 2-2
Preparing Your Cable TV Analyzer for Use . . . . . . . 2-3
Step 1. Perform an initial inspection . . . . . . . . . 2-4
Step 2. Set the line voltage selector switch . . . . . . 2-6
Step 3. Check the fuse . . . . . . . . . . . . . . . 2-8
Step 4. Connect the power cable . . . . . . . . . . 2-10
Step 5. Turn on the cable TV analyzer for the rst time 2-12
Step 6. Perform the frequency and amplitude
self-calibration routines . . . . . . . . . . . . . 2-14
Step 7. Perform the tracking-generator self-calibration
routine (Option 011 only) . . . . . . . . . . . . 2-16
3. Quick Tour
What You'll Learn in This Chapter . . . . . . . . . . 3-2
Getting Acquainted with the HP 8591C Cable TV
Analyzer . . . . . . . . . . . . . . . . . . . . 3-3
Front-Panel Features . . . . . . . . . . . . . . . . 3-4
Rear-Panel Features . . . . . . . . . . . . . . . . 3-6
Data Controls . . . . . . . . . . . . . . . . . . . 3-8
Hold Key . . . . . . . . . . . . . . . . . . . . 3-8
Knob . . . . . . . . . . . . . . . . . . . . . 3-8
Number/Units Keypad . . . . . . . . . . . . . . 3-9
Step Keys . . . . . . . . . . . . . . . . . . . 3-9
Fine-Focus Control . . . . . . . . . . . . . . . 3-10
Screen Annotation . . . . . . . . . . . . . . . . . . 3-11
Cable TV Analyzer Functions
Menu and Softkey Overview . . . . . . . . . . . . . 3-15
Cable TV Measurements and System Monitor Personality . . 3-16
Making a Measurement . . . . . . . . . . . . . . . 3-17
Measurement Summary . . . . . . . . . . . . . . . 3-20
Improving Accuracy with Self-Calibration Routines . . . 3-21
Warmup Time . . . . . . . . . . . . . . . . . . 3-21
Calibrating the Analyzer . . . . . . . . . . . . . . 3-22
Calibrating the Tracking Generator (Option 011 only) . 3-24
When Is Self-Calibration Needed? . . . . . . . . . . 3-26
Printing or Plotting . . . . . . . . . . . . . . . . . 3-27
Memory Card Insertion and Battery Replacement . . . . 3-28
Changing the Memory Card Battery . . . . . . . . . 3-29
Procedure to Change the Memory Card Battery . . . 3-30
Analyzer Battery Information . . . . . . . . . . . . . 3-32
4. Softkey Descriptions
What You'll Find in This Chapter . . . . . . . . . . . 4-2
Service Functions . . . . . . . . . . . . . . . . . . 4-3
Service Calibration Functions . . . . . . . . . . . . 4-3
Service Diagnostic Functions . . . . . . . . . . . . 4-4
Service Diagnostic Functions (continued) . . . . . . 4-5
Cable TV Analyzer Functions . . . . . . . . . . . . . 4-6
5. Key Menus
Index
Figures
2-1. Setting the Line Voltage Selector Switch . . . . . . . . . . 2-7
2-2. Checking the Line Fuse . . . . . . . . . . . . . . . . . 2-8
2-3. Reference Connector . . . . . . . . . . . . . . . . . . . 2-12
3-1. HP 8591C Cable TV Analyzer . . . . . . . . . . . . . . . 3-3
3-2. Front-Panel Feature Overview . . . . . . . . . . . . . . 3-4
3-3. Rear-Panel Feature Overview . . . . . . . . . . . . . . . 3-6
3-4. Adjusting the Fine Focus . . . . . . . . . . . . . . . . . 3-10
3-5. Screen Annotation . . . . . . . . . . . . . . . . . . . . 3-11
3-6. Relationship between Frequency and Amplitude . . . . . . 3-18
3-7. Reading the Amplitude and Frequency . . . . . . . . . . 3-20
3-8. Inserting the Memory Card . . . . . . . . . . . . . . . . 3-28
3-9. Memory Card Battery Date Code Location . . . . . . . . . 3-30
3-10. Memory Card Battery Replacement . . . . . . . . . . . . 3-31
3-11. Rear-Panel Battery Information Label . . . . . . . . . . . 3-32
Tables
2-1. Accessories Supplied with the Cable TV Analyzer . . . . . . 2-5
2-2. Power Requirements . . . . . . . . . . . . . . . . . . . 2-6
2-3. AC Power Cables Available . . . . . . . . . . . . . . . . 2-11
3-1. Screen Annotation . . . . . . . . . . . . . . . . . . . . 3-12
3-2. Screen Annotation for Trace, Trigger, and Sweep Modes . . . 3-13
4-1. Commands Not Available with Analog+ Operation . . . . . 4-12
4-2. Default Conguration Values . . . . . . . . . . . . . . . 4-37
4-3. Compatibility of FFT with Other Functions . . . . . . . . . 4-54
4-4. Commands Altered/Not Available within the Gate Utility . . 4-59
4-5. Model Specic Preset Conditions . . . . . . . . . . . . . 4-90
4-6. Common Preset Conditions . . . . . . . . . . . . . . . . 4-90
4-7. Preset Conditions for All Models . . . . . . . . . . . . . 4-92
4-8. Functions That Exit the Windows Display Format . . . . . . 4-136