Acer Inc.

Acer Computer B.V.

Acer Computer GmbH

Acer Denmark A/S

The aspect ratio is the ratio of the width of an image to its height. The supported aspect ratios are the aspect ratios that can be shown by the device.

Supported aspect ratios

The maximum length at which an image can be projected.

Projection distance

Projector brightness

Projection technology

Projector native resolution

The difference in light intensity between the brightest white and the darkest black.

Contrast ratio (typical)

The aspect ratio is the ratio of the width of an image to its height. The native aspect ratio is the one which the projector/display is particularly designed for. Images shown in native aspect ratio will utilize the entire resolution of the display and achieve maximum brightness. Images shown in other than native aspect ratio will always have less resolution and less brightness than images shown in native aspect ratio.

Native aspect ratio

Number of colours

Horizontal scan range

Vertical scan range

Keystone correction, vertical

Projector

Light source type

Service life of light source

Service life of light source (economic mode)

Lamp power

Lamps quantity

Light source

Measure of how strongly the system converges or diverges light. For an optical system in air, it is the distance over which initially collimated rays are brought to a focus. A system with a shorter focal length has greater optical power than one with a long focal length; that is, it bends the rays more strongly, bringing them to a focus in a shorter distance.For an optical system in air, the effective focal length (f and f′) gives the distance from the front and rear principal planes (H and H′) to the corresponding focal points (F and F′).

Focal length range

Aperture range of the device's optics, expressed in f-stops.

Aperture range (F-F)

The amount that the camera lens can zoom.

Zoom capability

Lens system

The supported protocols for exchanging analog signals.

Analog signal format system

Full High Definition (HD) means that a display supports a resolution of 1920 x 1080 pixel, and has a digital TV connection.

Full HD

The device can be used with 3D technology.

The graphic resolutions that can be displayed by the device. The graphic resolution describes the width and height dimensions of a display, such as a computer monitor, measured in pixels.

Supported graphics resolutions

Video

Number of USB 2.0 ports (connecting interfaces) in the device. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), USB 2.0 ports are usually black.

USB 2.0 ports quantity

The two sockets (ports) for receiving left audio signal (white cable) and right audio signal (red cable).

Audio (L/R) in

The two sockets (ports) for transmitting left audio signal (white cable) and right audio signal (red cable).

Audio (L/R) out

The socket (port) for the PC audio input.

PC Audio in

PC Audio out

Number of VGA (D-Sub) ports (connecting interfaces) in the device. The VGA (D-Sub) connector is a 15 pin connector between a computer and a monitor. It was first introduced in 1987 by IBM.

VGA (D-Sub) ports quantity

The socket (port) for the composite video input (white cable).

Composite video in

Digital Visual Interface (DVI) is a video display interface to connect a video source to a display device, such as a computer monitor.

DVI port

Mobile High-Definition Link (MHL)

Ports & interfaces

Smart TV features access to a large number of channels that offer TV programs, movies, and music without the need to connect a TV antenna or subscribe to a cable/satellite service. Some smart TVs provide web browsing, gaming, and access to compatible media content stored on computers.

Smart TV

An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.

Ethernet LAN

Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.

Wi-Fi

Network

A card reader is a device that enables reading and, in some cases, writing data to and from a memory card.

Card reader integrated

Storage

Interactive

Projection modes

List of desktop operating systems tested as compatible with this product.

Compatible operating systems

Features

The device contains speaker(s) to produce sound.

Built-in speaker(s)

RMS (Root mean square) is a measure of the continuous power required by a device, in particular audio amplifiers and loudspeakers.

RMS rated power

Number of built-in speakers

Multimedia

Under which category can the device be positioned in the market, e.g. camera phone.

Market positioning

Product type

The colour e.g. red, blue, green, black, white.

Product colour

Where the product can be placed e.g. floor, wall.

Placement

Design

A display which is part of the product, so you do not need to attach another display.

Built-in display

Display

What is providing power for the product e.g. mains electricity.

Power source

Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.

Power consumption (typical)

The amount of electricity that is consumed when the product is on standby.

Power consumption (standby)

The voltage of the AC electricity that is inputted into the product.

AC input voltage

Power

The minimum and maximum temperatures at which the product can be safely operated.

Operating temperature (T-T)

Operational conditions

The measurement or extent of something from side to side.

Width

The distance from the front to the back of something.

Depth

The measurement of the product from head to foot or from base to top.

Height

Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.

Weight

Weight & dimensions

Component of an electronics device, most commonly a television set, DVD player and home theater systems originally used for operating the device wirelessly from a short line-of-sight distance.

Remote control included

Batteries included

Cables included

Manual

Packaging content

Quantity per pack

Logistics data

X1128H

Acer Essential X1128H Standard throw projector 4500 ANSI lumens DLP SVGA (800x600) 3D Black

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