Mark Levinson 500H Manual Do Utilizador

23

Nº500H Series Power Amplifier

Pressing the Factory Default button on the internal Web page of 
the amplifier resets all settings to their factory default values. If 
the internal Web page is not available, there is also a key press 
sequence available. Follow the instructions below to reset the 
factory default settings from the front panel.

1. Power off the amplifier.

2. Press and hold the Standby button.

3. Press the Power button to turn on the power.

4.  Keep holding down the Standby button until the front panel 

LED blinks four times.

5. Release the Standby button.

Now reset to its factory default state, the amplifier will reinitialize.

The Nº500H series amplifier requires routine care and maintenance 
to ensure optimal performance. The bulleted items indicate 
maintenance procedures that should be performed on a regular 
basis.

Failure to perform the maintenance procedures included in this section 
may void the manufacturer’s warranty and/or standard repair policies.

•   To remove dust from the amplifier’s exterior surface, use a

feather duster or a low-pressure blower.

•   To remove dirt and fingerprints from the amplifier’s exterior

surface, use a soft, lint-free cloth. DO NOT use metal polish or 
a cloth made with steel wool.

•   If needed, this cloth can be dampened with isopropyl alcohol.

DO NOT dampen the cloth with Benzene, acetone-based 
cleaners, or other commercial cleaners.

•   Wipe the amplifier’s exterior surface in the same direction as

the grain of the brushed aluminum.