Apple AppleVision 850 User Manual
Page 92

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 850
AV
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 850
AV
Display
m Directional, optimized for use in speech recognition and other voice-
related application programs
Speakers for AppleVision 850
AV
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 850
AV
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 850
AV
Display
m Maximum output level (2 Vpp line level input):
Into 600 ohm (
Ω) load
> 0.50 volts (v) RMS
Into 10 Kilohm (k
Ω) load
> 0.55 v RMS
92
Appendix B