Axium AX4752 Guida di Installazione Pagina 5
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Presets & Paging
There are six amplifier presets, and a ‘page preset’.
Presets 1 - 6 are momentary and cause the amplifier to go to a predetermined setup, i.e. standby,
volume & source selection. The presets may also be programmed with event scheduling, and are used
by the alarm clock feature.
The ‘page preset’ mode is for paging applications and is invoked by a contact closure between the
‘0V’ and the ‘PG’ terminals. When the contact closure is released the amplifier zones return to their
previous states.
Zone Linking
A zone may be programmed to link one other zone. Zone linking ties the source selection together. It
may also tie the volume, and standby. This is useful for closely coupled audio areas where it is
advantageous to have different volume control but the same source, or the same volume with
separate standby control. Zone linking is setup either via the front panel user interface or by the AMC
program.
32 Zones
There are 32 zones of possible control. On an AX4752 each zone must be different, however in a
multiple amplifier stack same zone amplifiers are possible – they simply mimic every parameter.
Expansion Bus
Data, IR, Amp-On & audio sources are interconnected via the expansion bus.
The expansion bus feature vastly simplifies the installation cabling of an Axium amplifier stack.
One amplifier is connected to another using a 34-way ribbon cable. Connections are made from the
output of the first amplifier to the input of the second etc.
All audio sources must be connected to the first amplifier.
Note: Video signals are not passed through the expansion bus.
Amplifier ON Status - “Amp-On”
Each zone has front panel ON status indication, and +12VDC outputs on the rear panel connector. (1,
2, 3, 4 & #) The # ‘AMP ON’ output is a logic ‘And’ output, i.e. if any of the zones are ON then the
output is +12V. This is useful for driving a relay that connects AC power to source equipment. The
‘AMP ON’ output’s are protected against shorts. The ‘AMP ON’ output default to tracking the
preamplifier ON status but may be set to track the amplifier ON status. This is set via the AMC
program.
Axium Bus
Axium Bus provides inter-amplifier control & amplifier status for the old style KRX membrane
Keypads.
The Bus is short protected. (Terminals C & D)
Power failure Restoration
After an AC power outage the AX4752 restores it’s settings to the pre-interrupted state. All internal
settings are stored in non-volatile memory, except the clock that runs for at least 48 hours on stored
power.
Restore factory defaults
Push and holding down the rotary encoder for > 10 seconds takes you to the setup menu, select
restore factory defaults, and press again. The amplifier will be reset to factory defaults, and the
memory cleared.
Firmware upgradeable
The AX4752 may be updated with the latest operational firmware, using Axium ‘Uploader 2’ program.
The ability to enhance the functionality of installed Axium product’s provides a degree of future
proofing, and flexibility.
3
- INSTALLATION & OPERATION 1
- Congratulations! 2
- AX-KPD KRXm and KRXs 3
- INSTALLATION GUIDE 6
- StudyLounge 9
- Zone 3 Zone 4 9
- Bedroom & Ensuite 9
- Controllers: 10
- Source Components: 10
- Speakers: 10
- Video Outputs: 10
- CAT5E cable used to 11
- Tuner 2 12
- CD changer 12
- To next amplifier 13
- Zone 1 Zone 2 14
- Contact closure 15
- F i r m w a r e V 1 19
- 1 6 : 4 0 L o u n g e 20
- O f f 20
- Overview; 22
- SPECIFICATIONS 28
Prodotti e manuali riguardandi Amplificatori audio Axium AX4752
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