Audio Precision ATS-1 Access User Manual

Name: Audio Precision ATS-1 Access
Brand: Audio Precision
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161 pages

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Slide Rack Mount

e. Remove the eight #6-32 flat head screws securing the front edge

of the top and bottom covers to the chassis (there are two

screws on the right and left sides of each of the top and bottom

covers, near the front four corners of the case). See Figure B-3.

Figure B-3. Slider rack mounting kit, right end

B Rackmounting

Appendix B - Rackmounting Fixed Rack Mount

ATS-1 Access User's Manual B-3

Table of Contents4
Safety Symbols8
Safety Information9
- Scope of this Manual10
Description10
- Related Documentation11
- Introducing the ATS-1 Access11
- Filter Shapes15
- Identification of Features and Options17
- Block Diagrams19
  - Overall Block Diagram19
- Generator Output Circuit21
- Analyzer Input Circuit23
Getting Started25
- Connecting Mains Supply Voltage25
- Rackmounting26
- Concepts and Terminology26
  - Analog Vs. Digital26
  - Balanced Vs. Unbalanced27
- Self Test28
Operational Overview33
- Front Panel Controls and Connectors33
- LCD Display36
- Dbr Zero Key37
- GPIB Status Indicators37
- CONTRAST Control37
- MONITOR Operation38
- POWER Switch38
Setup Panel42
Screen Saver43
Controlling the Generator44
- Generator Overview44
  - Generator Loading46
Controlling the Analyzer47
- Analyzer Overview47
- Input Selection Keys48
- FUNCTION Keys48
Units49
- Is It Dbm or Dbu52
  - Power Units53
- Time and Frequency Units54
- Phase Units55
Generator Output and Analyzer Input Connectors56
Rear Panel Connectors57
- Trigger Output57
- Monitor Outputs58
- Printer Connector58
- GPIB Interface59
- Power Cord Connector and Line Voltage Selector59
External Connections60
- Analog Inputs and Outputs60
Input and Output Cables62
- BNC Connector Panel62
- Unbalanced Connections with the XLR Connector Panel65
- Unbalanced Stereo Connections67
FUNCTION Descriptions70
- Amplitude70
- Noise72
- Level73
- THD+N (Total Harmonic Distortion Plus Noise)75
- Understanding THD+N79
- Surprises and Pitfalls in THD+N Measurements81
  - What Signal Is Dominant81
  - Selecting Bandwidth82
  - Changes with Frequency85
  - Changes with Amplitude86
  - THD+N at 100% (or 0 Db)87
  - Isolating Sources of THD+N88
- Sinad90
- Phase93
- IMD95
- Ratio97
- W+F (Wow and Flutter)100
- W+F (Wow and Flutter)101
- XTALK (Crosstalk)102
- AC Mains (Power Line Monitor)104
- Gen Load106
- Bargraphs108
- Sweeps110
  - Starting the Sweep113
  - Continuous Sweeps113
  - External Sweeps114
- Printing114
- Saving and Recalling Setups119
- Saving and Recalling Setups120
- Printing Saved Data121
Applications123
- Frequency Response of Amplifiers, Mixing Consoles, Etc123
- Audio Transmission Link Testing123
- Analog Tape Recorder Alignment and Performance Verification124
  - Record-Reproduce Mode125
- Compact Disc Players127
Appendix A - Changing Mains Voltage Selection129
- Checking the Selected Line Voltage129
- Changing the Line Voltage Selection130
- Checking the Fuse Block Orientation131
- Changing the Fuse Block Orientation132
- Checking the Fuses133
Appendix B - Rackmounting135
- Fixed Rack Mount136
Appendix C - Performing Internal Changes139
- Opening the Case139
- Changing to Alternate Connector Panels140
- Swapping Speaker and Connector Panels141
- Option Filter Installation144
- Monitor Source Selection145
Appendix D - Specifications147
Index160

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Audio Precision ATS-1 Access Specifications

General

Brand	Audio Precision
Model	ATS-1 Access
Category	Test Equipment
Language	English

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Table of Contents

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