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
