Ashly Protea NE4250.25 Manuale operativo - Pagina 8

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Operating Manual - NE Multi Channel Power Amplifier

4. REMOTE AMPLIFIER CONTROL

ON/OFF/Remote Standby

The NE multichannel amplifiers have three possible states, OFF, ON, and STANDBY, each with a status LED on the front

panel. Control for these three states is managed by the following:

1) Power Switch - When the power switch is turned off the amplifier is completely off, UNLESS the power switch has

been disabled from within Protea

power switch has been disabled from software, the front panel DISABLE LED will be lit. Even if the AC power is removed, the

amplifier's internal memory will maintain the <power switch disabled> status until changed again from Protea

Performing a factory reset will clear and restore all internal amplifier memory to factory settings.

2) Remote Standby Contact Closure - When these two euroblock pins on the back of the

amplifier are wired to a switch and connected, the amp will go into Standby mode, whereby the

amp is active but not fully powered up. For Remote Standby to work, the power switch must be

turned on OR be disabled through Protea

3) Protea

Software On/Standby - On/Standby in the Protea

software functions the same as the hardware based Remote Standby Contact Closure on the back panel. Clicking on STANDBY

places the amp in standby mode. The On/Standby in software does not override the hardware Remote Standby, they both remian

active.

4) Protea Software Power Switch Enable/Disable - Use this software feature to disallow use of the front panel power

switch. If the power switch has been disabled from software, the front panel DISABLE LED will light. The power switch will

remain inactive until enabled again from software, even if the amp is removed from power.

The four contact closure connections on the back panel euroblock allow for four different amplifier stored presets to be

loaded at the instant a remote switch is closed. Presets are configured from Protea

mute status, polarity, as well as the full set of DSP functions if the amp has the DSP option installed.

The NE amplifier will store up to 35 named internal presets, each preset storing control data for all channels and audio

functions. While working in Protea

Options/Save Preset To Protea>, or saved to the PC using <Preset Options/Save To Disk>. Sub Presets (collections of DSP

parameters individually selected from software) are saved in a similar fashion. Individual preset files use the extension (*.pmc).

The only way to load presets to an amplifier is by using Protea

amplifier itself, through the use of contact closures, or with a WR-5 wall-mounted remote control. Contact closures can load

presets 1-4 from the amplifier memory using switches wired to the rear panel contact closure euroblock connector.

Caution: A new preset may have dramatically different settings capable of damaging sound system components, so be

careful not to recall the wrong preset while the system is on.

Data Control

The Data Control euroblock connector on the back of the amplifier is used for the Ashly WR-5 programmable zone con-

troller and Ashly RD-8C (or RW-8C) remote level controller. The Data Control interface provides data and phantom power for

these devices in remote installations, using four conductor wire.

software, in which case the power switch on the amplifier has no effect at all. If the

software.

software, changes to an individual preset can be saved to the amplifier using <Preset

PE multichannel amp

software and can include gain settings,

software to recall files saved on either the PC or the

software.