Acer AT4220 Technical Information download pdf (Page 41)

Chapter 1 35

• Hsync: f < 1KHz, duty cycle > 25%

• Vsync: f < 10Hz, duty cycle > 25%

The power consumption is valid over the specified voltage and frequency range. Power

consumption is measured from AC source. There are no power saving modes for TV, AV1, AV2,

COMPONENT 1 and 2, DVI and HDMI inputs.

Performance Specifications

The performance is checked at 25

C environment.

White Balance and Uniformity

Set contrast and brightness at maximum.

• Standard: 10000 degree K (x=280, y=288) on x and y value.

• Warm: 6500 degree K (x=312, y=329) on x and y value.

• Cold: 14000 degree K (x=263, y=273) on x and y value.

Display Area, Phase Center and Tilt

• Display area: 42 inches diagonal

• H-phase: A-B less than 1.5 mm

• V-center: C-D less than 1.5mm

• Tilt: E-F less than 1 mm

Max. Brightness

The brightness should exceed 350 Cd/m

while set both of contrast and brightness to max. and

color temperature of Standard is selected. (Typical value would be at 400 Cd/m

Acoustical Noise

With the display operation, the sound test is followed the ISO-7779 and shall be less than 35 dB/A

in standard distance of 1 m. Also the display should not emit easily perceptible abnormal sounds.

Power Supply Electrical Specifications

Input Voltage and Frequency Range

• Operating range of line voltage: AC 90V to 264V, 47Hz to 63Hz

• Power consumption: under 291W

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Acer AT4220 Technical Information Page 41