Acer Projector รุ่น X1228i (4500 ANSI Lumens XGA)

ACER X1228i (4500 lm / XGA / Wireless) Wireless
ความสว่าง(ANSI Lumens) 4500
ความละเอียด(พิกเซล) 1024x768 (XGA)
Contrast 20000:1
1 VGA Input
1 HDMI Input
Auto Keystone / Auto Ceiling
รับประกันตัวเครื่อง 3 ปี Onsite pick up หลอดภาพ 1 ปีหรือ 1000 ชม.


Images

Native resolution

1024 x 768

Maximum resolution

1920 x 1200

Brightness (standard mode)

4500 lm

Native aspect ratio

4: 3

Compatible aspect ratio

16: 9

Contrast ratio

20000: 1

Image width / projection distance ratio

1.94 to 2.16 (1295.40 mm @ 2000 mm)

Digital zoom

2x

Vertical keystone correction

-40 ° / + 40 °

Maximum vertical frequency

120 Hz

Maximum horizontal frequency

100 kHz

Minimal vertical synchronization

24 Hz

Minimal horizontal synchronization

15 kHz

Supported colors

1.07 billion colors (30 bits)



Projection lens

Smallest aperture

F / 2.41

Largest aperture

F / 2.53

Minimum focal length

21.85 mm

Maximum focal length

24.01 mm

Minimum diagonal image size

584.20 mm

Maximum diagonal image size

7.62 m (300 in.)

Minimum projection distance

1 m

Maximum projection distance

11.80 m

Optical zoom

1.1x



Lamp

Number of lamps

1

Lamp power

220 W

Operating hours lamp (normal mode)

6000 hour (s)

Operating hours lamp (energy saving mode)

10000 hour (s)

ExtremeEco mode lamp life

15000 hour (s)



Interfaces / connections

USB

Yes

Composite video

Yes

Number of VGA inputs

1

VGA input

Yes

Number of audio inputs

1

Number of audio outputs

1

Audio line-in

Yes

Audio line out

Yes



Technical information

Projection system

DLP

Projection method

Ceiling
Ceiling back
back
front

Video compatibility

EDTV
HDTV
NTSC
PAL
SDTV
SECAM

Computer compatibility

Mac PC
Windows PC



Audio

Number of speakers

1

Speaker output power

3 W

Sound system

Mono



Network / communication

Wireless functionality

EZCast
Miracast Wi-Fi