Acer AT4220A, AT3720A, AT3220A Important safety instructions, Disposal instructions

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Important safety instructions

Read these instructions carefully. Please put them somewhere safe for future reference.

1Follow all warnings and instructions marked on the product.

2Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.

3Do not use this product near water.

4Do not place this product on an unstable cart, stand or table. The product may fall, sustaining serious damage.

5Slots and openings are provided for ventilation; to ensure reliable operation of the product and to protect it from overheating, these openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug or other similar surface. This product should never be placed near or over a radiator or heat register or in a built-in installation unless proper ventilation is provided.

6This product should be operated from the type of power indicated on the marking label. If you are not sure of the type of power available, consult your dealer or local power company.

7Do not allow anything to rest on the power cord. Do not locate this product where the cord will be stepped on.

8If an extension cord is used with this product, make sure that the total ampere rating of the equipment plugged into the extension cord does not exceed the extension cord ampere rating. Also, make sure that the total rating of all products plugged into the wall outlet does not exceed the fuse rating.

9Never push objects of any kind into this product through cabinet slots as they may touch dangerous voltage points or short-out parts, which could result in a fire or electric shock. Never spill liquid of any kind on the product.

10Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage points or other risks. Refer all servicing to qualified service personnel.

11Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions:

a.When the power cord or plug is damaged or frayed.

b.If liquid has been spilled into the product.

c.If the product has been exposed to rain or water.

d.If the product does not operate normally when the operating instructions are followed. Adjust only those controls that are covered by the operating instructions.Improper adjustment of other controls could result in damage; extensive work by a qualified technician might then be required to restore the product to normal condition.

e.If the product has been dropped or the case has been damaged.

f.If the product exhibits a distinct change in performance, indicating a need for service.

12Use only the proper type of power supply cord set (provided in your accessories box) for this unit. Always disconnect the power cord from the wall outlet before servicing or disassembling this equipment.

13.Do not overload an electrical AC outlet, power strip, or convenience receptical. The overall system load must not exceed 80% of the branch circuit rating. If power strips are used, the load should not exceed 80% of the power strip input rating.

14Some products are equipped with a three-wire electrical grounding-type plug that has a third pin for grounding. This plug only fits into a grounded electrical outlet. This is a safety feature. Make sure the AC outlet is properly grounded. Do not defeat the safety purpose of the grounding-type plug by trying to insert it

into a non-grounded outlet. If you cannot insert the plug into the outlet, contact your electrician to replace the obsolete outlet.

The grounding pin is an important safety feature. It is possible to receive an electric shock from a system that is not properly grounded

The grounding pin is also providing good immunity ability against unexpected noise that interferes performance of this product and is produced by other nearby electrical devices.

Disposal instructions

Do not throw this electronic device into the trash when discarding. To minimize pollution and ensure utmost protection of the global environment, please recycle.

For more information regarding WEEE, please refer to http://global.acer.com/about/environmental.htm

USA

For electronic products containing an LCD/CRT monitor or display:

Lamp(s) inside this product contain mercury and must be recycled or disposed of according to local, state or federal laws. For more information, contact the Electronic Industries Alliance at www.eiae.org. For lamp-specific disposal information, check www.lamprecycle.org.

FCC Notice

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

However, there is no guarantee that interference will not occur in a particular installation. If this device does cause harmful interference to radio or television reception, which can be determined by turning the device off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the device and receiver.

Connect the device into an outlet on a circuit different from that to which the receiver is connected.

Consult the dealer or an experienced radio/television technician for help.

Notice: Shielded cables

All connections to other computing devices must be made using shielded cables to maintain compliance with FCC regulations.

Notice: Peripheral devices

Only peripherals (input/output devices, terminals, printers, etc.) certified to comply with the Class B limits may be attached to this equipment. Operation with non-certified peripherals is likely to result in interference to radio and TV reception.

Caution

Changes or modifications not expressly approved by the manufacturer could void the user’s authority, which is granted by the Federal Communications Commission, to operate this computer.

Operation conditions

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Notice: Canadian users

This Class B digital apparatus complies with Canadian ICES-003. Remarque à l’intention des utilisateurs canadiens

Cet appareil numérique de la classe B est conforme a la norme NMB-003 du Canada.

LCD pixel statement

The LCD unit is produced with high-precision manufacturing techniques. Nevertheless, some pixels may occasionally misfire or appear as black or red dots. This has no effect on the recorded image and does not constitute a malfunction.

English

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Contents Acer LCD TV Acer.TV.US.indb 22/2006 112458 AM Disposal instructions Important safety instructionsFront panel view Packing checklistFirst things first Your LCD TV overviewDVI-D Rear panel viewRemote control General keys18 19 20 Enjoying analog TV Basic connectionsConnecting external audio/video devices Connecting a DVD, VCR, STB or audio/video equipmentSource-IN Input button guide Connecting a camera, camcorder or video gameConnecting a PC or notebook computer Selecting the input sourceOSD navigation Navigating the OSD with the remote controlAdjusting the OSD settings Set-up Empowering mode Empowering TechnologyStoring favorite channels Default setting in different Empowering modeScenario mode in TV default setting Favorite channel mode in TVPIP/PBP/POP Advanced featuresPBP Locking TV content Setting a personal PINLock TV Locking your TV Motion Picture Association of America Mpaa ratings Setting Up Your Personal ID Number PINEnable/Disable the V-Chip Parental ControlTV-MA TV ratingsCanadian English ratings Canadian rating SystemsScanning for channels Re-scan for channelsPanorama Widescreen display modeWide mode 169Picture is not clear TroubleshootingRemote control does not work There is no picture or soundPanel spec Product specifications

AT3220A, AT3720A, AT4220A specifications

Acer has long been recognized for its cutting-edge technology and innovative designs in the field of computing, and its latest series of all-in-one desktop PCs—AT4220A, AT3720A, and AT3220A—showcase the brand's commitment to delivering powerful performance and user-friendly experiences. This trio is tailored to meet diverse user needs, from casual browsing to more demanding tasks.

The Acer AT4220A stands out with its robust configuration. It features an Intel Core i5 processor that provides adequate speed and efficiency for multitasking and demanding applications. The AT4220A comes with a high-definition display, making it perfect for media consumption and productivity tasks. The integration of NVIDIA GeForce graphics enhances its capabilities, offering smooth visuals for gamers and graphic designers alike. Moreover, the system includes ample storage options, with SSD choices ensuring faster boot times and data access.

Transitioning to the Acer AT3720A, we find a slightly more budget-friendly option without compromising on essential performance features. This model leverages an Intel Core i3 processor, making it ideal for everyday tasks such as web browsing, word processing, and streaming videos. Its aesthetic appeal is enhanced by a sleek design, which fits seamlessly into any home or office environment. The AT3720A also includes a full HD display, complemented by integrated graphics that suffice for general use without the resource demands of more intensive graphical applications.

Lastly, the Acer AT3220A takes a step back in terms of specifications for users looking for a more economical choice. Equipped with entry-level components, including an Intel Pentium processor, this model is designed for basic tasks. Whether it’s managing emails, light browsing, or home schooling, the AT3220A provides a dependable platform. The value-oriented design does not mean a lack of features; it still maintains a commendable display quality and energy efficiency, making it a practical option for budget-conscious consumers.

In conclusion, the Acer AT4220A, AT3720A, and AT3220A models cater to a broad spectrum of users. With varying specifications, they provide flexibility while ensuring functionality, durability, and innovative technology. Whether for professional use, entertainment, or everyday computing, Acer continues to deliver reliable solutions with these all-in-one desktops.