Yamaha XMV4140-D Gebruikershandleiding - Pagina 5

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Maintenance

• Remove the power plug from the AC outlet when cleaning the device.

Handling caution

• Do not insert your fingers or hands in any gaps or openings on the device

(vents).

• Avoid inserting or dropping foreign objects (paper, plastic, metal, etc.) into

any gaps or openings on the device (vents) If this happens, turn off the

power immediately and unplug the power cord from the AC outlet. Then

have the device inspected by qualified Yamaha service personnel.

• Do not rest your weight on the device or place heavy objects on it, and avoid

use excessive force on the buttons, switches or connectors.

• Do not use speakers for a long period of time at a high or uncomfortable

volume level, since this can cause permanent hearing loss. If you experience

any hearing loss or ringing in the ears, consult a physician.

Yamaha cannot be held responsible for damage caused by improper use or modifications to the device, or data that is lost or destroyed.

Always turn the power off when the device is not in use.

European Models

Inrush Current based on EN 55103-1:2009

10A (on initial switch-on)

5A (after a supply interruption of 5s)

Conforms to Environments: E1, E2, E3 and E4

NOTICE

To avoid the possibility of malfunction/ damage to the product, damage to data, or damage to other property, follow the notices below.

 Handling and maintenance

• Do not use the device in the vicinity of a TV, radio, stereo equipment, mobile phone, or other electric devices. Otherwise, the device,

TV, or radio may generate noise.

• Do not expose the device to excessive dust or vibration, or extreme cold or heat (such as in direct sunlight, near a heater, or in a car

during the day), in order to prevent the possibility of panel disfiguration, unstable operation, or damage to the internal components.

• Do not place vinyl, plastic or rubber objects on the device, since this might discolor the panel.

• When cleaning the device, use a dry and soft cloth. Do not use paint thinners, solvents, cleaning fluids, or chemical-impregnated wip-

ing cloths.

• Condensation can occur in the device due to rapid, drastic changes in ambient temperature—when the device is moved from one

location to another, or air conditioning is turned on or off, for example. Using the device while condensation is present can cause dam-

age. If there is reason to believe that condensation might have occurred, leave the device for several hours without turning on the

power until the condensation has completely dried out.

• Do not use this device for any purpose other than driving loudspeakers.

• When turning on the AC power in your audio system, always turn on tthe device LAST, to avoid speaker damage. When turning the

power off, the device should be turned off FIRST for the same reason.

 Saving data

This device has a built-in backup battery that maintains data in internal memory even when the device's power is switched off. The

backup battery will eventually become depleted, however, and when that happens the contents of the internal memory will be lost.*

To prevent loss of data be sure to replace the backup battery before it becomes fully depleted. When the remaining capacity of the

backup battery becomes so low that it needs to be replaced a "012." message will appear on the display during operation or when the

device is powered on. If either of these messages appears do not turn off the power and immediately transfer any data you want to save

to a computer or other external storage device, then have qualified Yamaha service personnel replace the backup battery. The average

life of the internal backup battery is approximately 5 years, depending on operating conditions.

* Data items maintained in the internal memory by the backup battery are as follows:

• Device parameters (Attenuator values, Polarity settings, HPF settings, Analog/digital input setting, and [SIGNAL] indicator display

setting).

• Event log.

Data items other than those described above are stored in memory that does not require backup power, and will be retained even if the

backup battery fails.

Information

 About this manual

• The illustrations as shown in this manual are for instructional purposes only, and may appear somewhat different from those on your

device.

• The company names and product names in this manual are the trademarks or registered trademarks of their respective companies.

Backup battery

• This device has a built-in backup battery. When you unplug the power cord

from the AC outlet, the internal data is retained. However, if the backup

battery fully discharges, this data will be lost. When the backup battery is

running low, the display indicates "012." and the ALERT indicator is

flashing. In this case, immediately save the data to external device such as a

computer, then have qualified Yamaha service personnel replace the backup

battery.

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XMV4280/XMV4140/XMV4280-D/XMV4140-D Owner's Manual