Mark Levinson ?523 Owner's Manual page 11

USB Type-A connector: the connector is for attaching a USB
flash drive containing unit software update, or for importing
and exporting setup configurations. Further information on
software updates is available from the Setup Menu: Advanced
section of this manual .
Ethernet connector: This connector accepts a Cat5 or higher
cable for connection to a home network. For information on
how to configure and use the Ethernet port, see Setup Menu:
Advanced section of this manual .
IR input connector: this 1/8-inch (3.5mm) connector accepts IR
(infrared) control signals from other equipment. (does not work
with extenders)
NOTE: that the IR input connector does not provide
power for IR extender modules.
RS-232 connector: this RJ-11 connector provides serial control
through a standard RS-232 connection.
Trigger output connectors: these 1/8-inch (3.5mm) TS phone plug
connectors can be used to activate other components in the audio
system and listening room, such as amplifiers, lights, and window
shades. A 12V 100mA DC signal is output whenever the unit is on.
The trigger can also be pulsed and delayed. (See illustration)
Trigger phone plug connector pin assignments:
• Tip: +
• Sleeve: –
Trigger input connector: this 1/8-inch (3.5mm) TS phone plug
connector can be connected to the trigger output of another
system component or control system that supplies a trigger
voltage. Whenever the unit detects a voltage between 5V and
12V DC at this connection, it will turn On from Standby. When
the trigger signal at this connection ceases, the unit will enter
the selected Standby mode. (See illustration)
AC Mains connector: This connector provides AC power to the
unit when the supplied power cord is connected from it to an AC
electrical outlet. Unplug the preamplifier from the AC wall
outlet during lightning storms and extended periods of non-use.
Power switch: this mechanical switch turns the unit's power
supply on or off. During normal operation, do not use the Power
switch to power off the unit; instead, use the Standby button.
REMOTE CONTROL OVERVIEW
Setup
Button
Input
Buttons
Polarity
Button
Display
Button
N 526 Only
0
Standby button: press this button to put the unit into and out of
the selected Standby mode.
Input buttons: press these buttons to select the desired input.
The name and volume level of the selected input are indicated
on the front-panel display.
Volume buttons: press these buttons to adjust the volume level
of the Balanced outputs––and the Single-Ended outputs if you
have set them to Variable in the Setup menu, or the Headphone
output if you have connected headphones. The minimum
volume level is OFF; the maximum volume level is determined
in the Setup menu.
Whenever you select an input, the unit applies the volume offset
selected for it in the Setup menu to the Main output volume
level (and to the Line output volume level if you have set it to
Variable in the Setup menu).
Setup button: press this button to display the Setup menu, which
you can use to customize the preamplifier to suit your individual
preferences, listening space and other system components.
The Setup LED on the front panel illuminates when the Setup
menu is active.
N 526 / N 523 DUAL-MONAURAL PREAMPLIFIER
0 0
GETTING STARTED
Standby
Button
Enter
Button
Volume
Buttons
Balance
Button
Mute
Button
USB
Control
Buttons
Clari-Fi
Button
/ OWNER'S MANUAL 9