Vantage Controls Axium 450 Series, Инструкция по эксплуатации

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6
Features
Thank you for purchasing an Axium 450 series Multi-Zone Amplifi er.
Please read this manual thoroughly before making connections and plugging in the unit.
Following the instructions in this manual will enable you to obtain optimum performance and listening
enjoyment from your new Multi-Zone Amplifi er.
Please retain this manual for future reference.
Multi-Zone, Multi-Source, Video Switching
The 450 series amplifi er has four separate preamplifi ers
and amplifi ers, providing 4 zones of independent yet
integrated control.
There are seven stereo sources (S1 – S7) and an eighth
mono source (S8) typically used for paging applications.
Each zone has an eight-source composite video switcher,
so monitor screen’s in four different rooms may display
any of the eight sources
(S1 – S8).
Preamplifi ers and Outputs
Each zone has bass, treble, balance and loudness
control. These are accessed either from the front panel
or MC
(Music Center) program.
The preamplifi er output volume may be independent
of the amplifi er volume, or made to track the amplifi er
with an adjustable offset (± 20dB). The tracking
feature is ideal for passive subwoofer control, while the
independent volume feature is useful for limited control
in close-coupled rooms.
A useful protection feature is ‘Maximum Volume limiting’.
This limits the maximum volume of either the amplifi er
or preamplifi er.
Amplifi er Power, Protection, and Clipping
Indicators
50 Watts RMS per channel into 8 ohms, 65Watts RMS
per channel into 6 ohms.
The amplifi ers are protected against short-term output
shorts.
The front panel zone indicators will fl ash red when the
zone amplifi ers are overdriven into clipping.
Thermal Control
There are three progressive levels of thermal control:
•
Internal fans are turned on to aid cooling at 50oC.
•
The amplifi er volume is reduced 20dB at 100oC.
•
At 105oC the amplifi ers are shutdown until the
temperature reduces below 50oC.
Care should be taken to ensure adequate ventilation
– see “Important safety instructions” on page 1
USB, RS232 and IR control
The 450 series amplifi er may be controlled and
monitored via either the front Panel USB or rear panel
RS232 serial interface.
In multi amplifi er installations where the amplifi ers are
interconnected using an expansion bus cable, only one
USB or RS232 connection is required to control the stack
of amplifi ers.
A 450 series amplifi er may receive IR directly from the
front panel receiver or via the two ‘Controller interface’
connections.
There are zone specifi c IR commands and also a set of
global IR commands.
The commands are: ON, OFF, Standby (toggling),
Mute, Amp Volume Up, Amp Volume Down, Pre Volume
Up, Pre Volume Down, Source Selects, Discrete Audio
Source Selects, Discrete Video Source Selects, On with
Source Specifi c commands.
The Global commands also include PRESET1 – PRESET
6, Alarm Enable, Alarm OFF, & 5 minute Sleep.
Real Time Clock
The 450 series amplifi er is equipped with a real time
clock.
The amplifi er may be set up to function as an alarm
clock, so that at 6.30am in the morning 5 days a week,
the master bedroom zone could be made to turn on,
select tuner, and go to a specifi c volume. Multiple
Alarms are feasible ( max of 6) However the Alarm
Enable & OFF commands act upon all programmed
Alarms.
The Clock automatically compensates for daylight
saving.
The clock continues to operate typically > 48 hours
without power – more than enough to keep the time
current during lengthy power outages
.
IR Emitter Ports
There are 4 Buffered IR emitter Ports.
Two IR ports have routing, and are linked to their
respective ‘Controller Interface’ ports. These ports
control zone specifi c source components. Two IR ports
are the sum of both IR sources; these control the All
zone source components.