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Mode Resolution Vertical refresh rate Horizontal scan rate
(hertz) (kilohertz)
VESA 1024 x 768 60 48.363
VESA 1024 x 768 70 56.476
VESA 1024 x 768 75 60.023
VESA 1024 x 768 85 68.677
Macintosh 1152 x 870 75 68.700
VESA 1280 x 1024 75 79.976
VESA 1280 x 1024 85 91.146
VESA 1600 x 1200 75 93.750
Audio input signals for AppleVision 850AV Display
m Accepts audio signal of up to 4 Vpp (line level–low sensitivity) or as low
as 4.4 mVpp (microphone level–high sensitivity) without clipping the
signal, depending upon the level and sensitivity setting
Microphone for AppleVision 850AV Display
m Directional, optimized for use in speech recognition and other voice-
related application programs
Speakers for AppleVision 850AV Display
m Stereo, with ported (bass reflex) chamber design
m Speaker SPL output: > 90 decibel (dB) SPL at 1 kHz at 0.5 meters
m Frequency response: 80 Hz to 17 kHz
± 6 dB
Spatial enhancements and 3D sound features of AppleVision 850AV speakers
m Single channel driven by 2 Vpp, 1 kHz input at external jack
m Output voltage at other channel > 0.38 VRMS (measured at output of
spatial effect enhancement IC).
Headphone jack for AppleVision 850AV Display
m Maximum output level (2 Vpp line level input):
Into 600 ohm (Ω) load > 0.50 volts (v) RMS
Into 10 Kilohm (kΩ) load > 0.55 v RMS
92
Appendix B