MAINTENANCE

SERVICING

¡Should your DVD/VCR become inoperative, do not try to correct the problem yourself. There are no user-serviceable parts inside. Turn off, unplug the power cord, and please call our help line at 1-800- 448-2244 to locate an Authorized Service Center.

CLEANING THE CABINET

¡Use a soft cloth slightly moistened with a mild deter- gent solution. Do not use a solution containing alco- hol, spirits, ammonia or abrasives.

CLEANING DISCS

¡When a disc becomes dirty, clean it with a cleaning cloth. Wipe the disc from the center out. Do not wipe in a circular motion.

¡Do not use solvents such as benzine, thinner, com- mercially available cleaners, detergent, abrasive cleaning agents or antistatic spray intended for ana- logue records.

CLEANING THE DISC LENS

¡If the DVD/VCR still does not perform properly when it is operated while referring to the relevant sections and to “TROUBLESHOOTING GUIDE” in this Owner’s Manual, the laser optical pickup unit may be dirty. Consult your dealer or an Authorized Service Center for inspection and cleaning of the laser optical pickup unit.

AUTO HEAD CLEANING

•Automatically cleans video heads as you insert or remove a cas- sette, so you can see a clear picture.

•Playback picture may become blurred or interrupted while the TV program reception is clear. Dirt accumulated on the video heads after long periods of use, or the usage of rental or worn tapes can cause this problem. If a streaky or snowy picture appears during playback, the video heads in your DVD/VCR may need to be cleaned.

1.Please visit your local Audio/Video store and purchase a good quality VHS Video Head Cleaner.

2.If a Video Head Cleaner does not solve the problem, please call our help line at 1-800-448-2244 to locate an Authorized Service Center.

English

NOTES:

•Remember to read the instructions included with the video head cleaner before use.

•Clean video heads only when problems occur.

DISC HANDLING

¡Use discs which have the following logos on them. (Optical audio digital discs.)

Recordable ReWritable

¡Handle the discs so that fingerprints and dust do not adhere to the surfaces of the discs.

¡Always store the disc in its protective case when it is not used.

¡To clean-off, use a soft cloth.

¡Do not use a hard cloth since this will mar the disc. ¡Wipe the disc in a straight line from center to edge. ¡Never wipe with a circular motion.

¡Do not use detergent or abrasive cleaning agents.

Make your contribution to the environment!!!

•Used up batteries do not belong in the dust bin.

•You can dispose of them at a collection point for used up batteries or special waste. Contact your city office or consult the yellowpages for details.

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Hitachi DV PF74U instruction manual Maintenance, Disc Handling
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DV PF74U specifications

The Hitachi DV PF74U is a versatile and powerful vacuum cleaner designed to meet the demanding needs of both professional and domestic environments. With its impressive performance, user-friendly features, and cutting-edge technology, the DV PF74U stands out in the market of vacuum cleaners.

One of the main features of the DV PF74U is its robust suction power, which is facilitated by a high-efficiency motor. This motor ensures that dirt, dust, and debris are effortlessly captured from various surfaces, including carpets, hardwood floors, and upholstery. The vacuum's multi-cyclonic technology enhances this suction capability by separating dirt from the air efficiently, preventing clogging and maintaining optimal performance over time.

Another standout characteristic of the DV PF74U is its advanced filtration system. Equipped with a HEPA filter, this vacuum cleaner traps 99.97% of particles as small as 0.3 microns, making it an excellent choice for allergy sufferers. The filter is washable and reusable, promoting sustainability and reducing the need for frequent replacements.

The Hitachi DV PF74U also boasts a lightweight and ergonomic design, making it easy to maneuver around the house or office. Its flexible hose and range of attachments, including crevice tools and dusting brushes, enable users to clean hard-to-reach areas with minimal effort. The vacuum's telescopic handle adjusts to suit various heights, providing additional comfort during use.

Another key technology integrated into the DV PF74U is its noise-reduction feature, which allows for quieter operation without compromising suction power. This makes it suitable for use in noise-sensitive environments, such as hospitals or shared living spaces.

In terms of capacity, the DV PF74U is designed with a spacious dust container that reduces the frequency of emptying, enhancing user convenience. This container is easy to detach and clean, streamlining the maintenance process.

Overall, the Hitachi DV PF74U is a highly functional and efficient vacuum cleaner that combines advanced technology with user-friendly features. Its powerful suction, exceptional filtration system, and thoughtful design make it a compelling choice for anyone seeking a reliable cleaning solution. Whether for home use or professional cleaning services, the DV PF74U is built to deliver outstanding results every time.
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