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523 DUAL-MONAURAL PREAMPLIFIER / OWNER’S MANUAL
SETUP MENU
Volume Control settings let you customize the performance of the
preamp‘s Volume and Mute functions.
Max Vol:
this setting sets the maximum line output volume level in
0.1dB increments between 40.0dB and 80.0dB. The factory default
maximum volume is 80.0dB.
Mute:
this setting lets you set the amount of line output level
attenuation that occurs when the Mute button is engaged, in 0.1dB
increments between –10dB and –80.0dB. The factory default mute
attenuation is –40dB.
Turn On:
this setting lets you set a line output volume level to which
your preamp will default every time you turn it on.
o 10.0dB – 60.0dB: choose a turn-on volume level in 0.1dB
increments between 10.0db and 60.0db. The factory
default setting is 10.0dB.
o Last: the volume level setting from the previous time the
unit was powered down is retained.
CAUTION: setting the Turn-On parameter to Last can result in
louder-than-expected power-up volume if the preamp was set to a
high volume level setting when last powered down.
Taper:
this setting lets you choose the desired taper for the volume
control, from the following options:
Mode 1
: the faster you rotate the volume knob the more quickly the
volume will change. Rotating the knob slowly slows the rate the
volume changes, allowing you to make very precise adjustments
in the listening level. This is the factory default setting.
Mode 2
: Similar to Mode 1, with a “faster” response curve, with
more gain change for a similar range of knob travel.
Mode 3
: When increasing the volume the volume changes quickly
through the low volume range, and then decelerates in the higher
range, for precision adjustments. When decreasing the volume the
control works in the opposite fashion, changing quickly through
the high volume range and decelerating in the lower range.
The Power Management and Display parameters let you
customize power-related functions.
Standby:
this setting lets you set the Standby mode to one of the
following options:
Green
: this mode removes power from almost all of the
circuits, allowing the unit to be activated only via an IR control
signal, a 5V – 12V trigger voltage or a press of the Standby
button. This mode provides maximum power conservation
and is the factory-default Standby mode.
Power Save
: this mode removes power from the audio
circuits, but keeps the control circuitry powered and ready
to receive commands from either the front-panel controls
or the remote control. This mode provides moderate power
conservation.
Normal
: this mode shuts off the display and mutes audio
outputs, but keeps all of the control and audio circuits
powered. This mode provides the least amount of power
conservation but allows the audio circuits to remain warmed
up to deliver optimal performance at all times.
Auto Off:
this setting lets you engage or disengage the Auto Off
function, which puts your preamp into the Standby mode after
20 minutes of inactivity (no audio signal, and no control input).
Display:
this menu gives you access to the following display
parameters:
Intensity
: lets you set the brightness of your preamp’s display
to High, Med, Low, or Off (which turns the display off entirely
until a control is operated). The factory default setting is High.
Timer
(only takes effect when the display intensity is set to
Off): lets you choose how long the display remains lit after
the last time a control is operated. Choose from 10 seconds,
4 seconds, or 2 seconds. The factory default setting is 10
seconds.
VOLUME CONTROL
ENTER
SETUP
SETUP MENU
Input Setup
Power Management
Display
Volume Control
Advanced
Output Setup
VOLUME CONTROL
Volume Max
Volume Mute
Volume Turn On
Volume Taper
Max=80.0 dB (default)
Mute=-40.0 dB (default)
Turn On=10.0 dB (default)
Taper=Mode 1 (default)
POWER MANAGEMENT AND DISPLAY
ENTER
SETUP
SETUP MENU
Input Setup
Power Management
Display
Volume Control
Advanced
Output Setup
POWER MANAGEMENT
Standby
Auto Off
Standby=Green (default)
Auto Off=On (default)
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