4.
Electrical
The following table defines the electrical specification of this product.
ELECTRICAL SPECIFICATION
Power Input Voltage Range
100-/- 10% Wide Range
Input Frequency Range
47-63 Hz
Input Current
3.0A @ 115VAC // 1.5A @ 230VAC
Power Supply Inrush
Max in < 150A (with fully loaded power supply) at
230Vac
Shall not result in permanent failure of power supply
(including blown fuse)
Power Consumption: Normal
Normal:200 W (Max) // Stand by: <
3.0
W
Interference with RF and Video
There shall be no visible interference between power
supply, RF and video signals. This applies to all available
RF channels and video modes.
Electromagnetic Compatibility
This product shall adhere to the compatibility and
immunity specifications in FCC.
Power Supply Transient Immunity
(Supply Transients and Outage)
Able to withstand an ANSI / IEEE C62.41 – 1980 2000V
ring wave with no damage.
Surge Immunity Test
Able to withstand 1.25X nominal Line Voltage for one
cycle with no damage.
Power Supply Missing Cycle Immunity
Function properly without reset or visible screen artifact
when 1/3 cycle of AC Power is randomly missing.
Power Supply Acoustics
Power supply shall not produce any audible noise during
startup and normal operation. Audible shall define to be
in compliance with ISO 7779 (DIN EN27779: 1991) .
Power Switch noise shall be Excluded.
Efficiency
>= 80% @ full load, nominal line
Leakage Current
<0.5mA @ 240VAC
Power Saving(DPMS)
N/A
Recovery Time
< 3 sec.
Power Factor Correction
Compliant with EN61000-3-2
5. Firmware & OSD
The product firmware of VS11
502
shall have a firmware version of 1.00 Any
changes/revisions afterward shall also be pre-approved by ViewSonic in written. For VS11405-1M,
its firmware shall have a built-in frequency table for
implementation.
All audio/video and other output adjustments shall be performed by using an On Screen Display
(OSD) via a Remote Control Unit (RCU) in conjunction with the front panel adjustments. The
following tables list the OSD functions supported by VS11
502
-1M.
OSD Table for
VS11502
OSD
Brightness
Adjust the Black levels
Contrast
Adjust the White levels
Sharpness
Adjust the Sharpness levels
Color
Adjust the Color levels
Tint
Adjust the Tint levels
Color Temperature
Selections on Normal, Warm, user, Cold
Back Light
Adjust the Back Light levels
Aspect ratio
Selections the Image Size on Full, Wide1, Wide2, Wide3, 4:3, 16:9, No
scale, Normal
Language
Selections English, Spanish , French
By area have some difference
OSD Timeout
Set OSD disappearing time
ViewSonic Corporation
Confidential - Do Not Copy
N4251w-1M
5
Summary of Contents for N4251w-1M
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Page 53: ...Panel Unit ViewSonic Corporation Confidential Do Not Copy N4251w 1M 50...
Page 86: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 83...
Page 87: ...9 3 CON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 84...
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Page 89: ...9 5 IR PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 86...
Page 90: ...9 6 IR PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 87...
Page 91: ...9 7 SWITCH PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 88...
Page 92: ...9 8 SWITCH PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N4251w 1M 89...
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