User manual

Table of Contents
AM700 Audio Measurement Set ix
Figure 4-16: General controls with Regulation mode menu selections 4-40. . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-17: Regulation mode with Plot Control menu 4-43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-18: View Setup for Regulation mode measurements 4-44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-19: Regulation mode bandpass measurement of level versus frequency 4-45. . . . . . . . . . . . . . . .
Figure 4-20: History display of Channel 2 THD versus frequency obtained using
closed-loop operation 4-51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-21: Audio Analyzer main menu with Input Range and Input Select submenus 4-54. . . . . . . . . . . .
Figure 4-22: Audio Analyzer Real Time Measurements and Generator Setup display 4-55. . . . . . . . . . . . .
Figure 4-23: Audio Analyzer graphical display showing measurement Enables menu selections 4-56. . . . . .
Figure 4-24: Graphical display with Plot Control menu 4-59. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-25: Sweep detection controls 4-62. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-26: Closed-loop measurement showing how delay, settling time, and variance
affect the generator steps 4-65. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-27: Settled data point detection controls display 4-66. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-28: Exponential settling in Audio Analyzer 4-67. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-29: Regulation mode delay time setting 4-68. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-30: Rel to Ref memory model 4-72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-31: Relative to Reference setup menu 4-73. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-32: Filter menu selection with Audio Analyzer 4-76. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-33: Filter curves: CCIR 468, CCIR ARM, and A Weighting 4-77. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-34: Filter Curves: B Weighting, C Weighting, and C Message 4-78. . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-35: Filter Curves: F Weighting, 15 kHz, 20 kHz, and 22 kHz Low Pass,
and 400 Hz High Pass 4-79. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-36: FFT Analyzer measurement showing a dual channel spectral display 4-81. . . . . . . . . . . . . . .
Figure 4-37: FFT Analyzer Window menu display 4-83. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-38: Effects of Window selections 4-84. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-39: FFT Bar graph and Spectrogram displays 4-86. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-40: FFT Input Select and Input Range menus 4-88. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-41: Zoomed FFT display showing maximum expansion of the trace 4-90. . . . . . . . . . . . . . . . . . .
Figure 4-42: Generator Waveform Control setup for multitone detection 4-91. . . . . . . . . . . . . . . . . . . . . . .
Figure 4-43: Multitone measurement settings in the Configure Measurements menu 4-93. . . . . . . . . . . . . .
Figure 4-44: FFT View Setup 4-94. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-45: Multitone Analyzer display with two measurement windows 4-95. . . . . . . . . . . . . . . . . . . . . .
Figure 4-46: Display of FFT multitone signal and the corresponding multitone measurement 4-95. . . . . . . .
Figure 4-47: FFT multitone table display 4-96. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-48: Audio Monitor display with dual Y-axis display 4-97. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .