Mark Levinson 500H User Manual

Mark Levinson

6

The front panel contains one LED and one Standby button –   
as shown.

Places the amplifier into Standby mode. Pressing the button while 
the amplifier is in Standby mode turns on the amplifier.

Standby mode powers only the low-voltage power supply, control, 
and communication circuits.

Indicates the operating state of the amplifier and provides basic 
diagnostic information if a fault condition occurs. The table below 
identifies the basic behavior of the Status LED.

Fully lit

Indicates that the amplifier is powered on.

Slowly blinking

Indicates that the amplifier is in Standby mode.

Not lit

Indicates that the amplifier is powered off.

Refer to the “Troubleshooting” section in the back of the manual
for a description of the Status LED behavior when a fault is 
detected.

standby