Page 2 - Operating Manual - ne24.24M Matrix Processor; Table Of Contents
Operating Manual - ne24.24M Matrix Processor 2 Table Of Contents 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 UNPACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3 - CAUTION
3 Operating Manual - ne24.24M Matrix Processor WARNING: THIS APPARATUS MUST BE EARTHED The exclamation point within an eqilateraltriangle is intended to alert the user to thep r e s e n c e o f i m p o r t a n t o p e r a t i n g a n dmaintenance instructions in the literatureaccompanying the device...
Page 4 - to reset switches or reprogram the device.; AC POWER REQUIREMENTS; The Protea ne24.24M uses a universal
Operating Manual - ne24.24M Matrix Processor 4 1. INTRODUCTION Thank you for your purchase of the Protea ne24.24M. The Protea ne24.24M Matrix Processor uses modular expansion cards to provide up to twenty-four channels of audio matrixing and processing, along with provisions for remote control and l...
Page 5 - FRONT PANEL FEATURES; Main Input Channel LEDs; after; Main Output Channel LEDs
5 Operating Manual - ne24.24M Matrix Processor 4. FRONT PANEL FEATURES 4.1 RS-232 Dataport The ne24.24M has two RS-232 dataports wired in parallel, one on the front panel and one on the back, for connect- ing to a computer for software control. See section 7.3 for details on connecting to a computer...
Page 6 - REAR PANEL FEATURES; Input Connections; erly terminated or signal loss and noise may result. In other words,; Output Connections
Operating Manual - ne24.24M Matrix Processor 6 5. REAR PANEL FEATURES 5.1 Input Connections Balanced input signals are connected to the ne24.24M using the included euroblock connector. A flat blade screwdriver is required to connect a stripped wire lead to the external connector piece, which is then...
Page 7 - as ground loop currents may result.
7 Operating Manual - ne24.24M Matrix Processor To use contact closure switching, up to eight presets (1-8) must first be defined according to the needs of the installation. To use the mic input “Push To Talk” feature, select the “Push To Talk Mic” checkbox in the Protea NE Software’s mic preamp dial...
Page 8 - Factory Reset Switch; power cord. The AC power switch is found on the back of the unit.; EXPANSION MODULE INSTALLATION; module can be installed.
Operating Manual - ne24.24M Matrix Processor 8 5.8 Data In/Data Out Connection The Data In and Out connectors are used for connecting the ne24.24M to the Ashly WR-5 active wall remote controller or RD-8C. 5.9 Factory Reset Switch Factory reset is used to clear all user defined preset names and contr...
Page 9 - PROTEA NE SOFTWARE; help is available for all key functions.; How to get Protea NE Software; or can be purchased directly from Ashly for a nominal handling fee.; to
9 Operating Manual - ne24.24M Matrix Processor 7. PROTEA NE SOFTWARE Ashly offers a powerful software interface for the Windows PC environment, as well as any PDA device running Windows Mobil 05, providing control for the ne24.24M Matrix Processor, and many other Ashly digital audio proces- sors and...
Page 10 - Connecting the ne24.24M to a computer using Ethernet; will run concurrent on the same unit.; Input Audio Functions; is muted, that channel’s red mute LED on the face panel is lit.
Operating Manual - ne24.24M Matrix Processor 10 7.2 Connecting the ne24.24M to a computer using Ethernet Ethernet is the preferred data protocol for computer control. A standard RJ-45 jack is used for connecting directly to a PC, PDA, or 10/100 Base-T network. 7.3 Connecting the ne24.24M to a comput...
Page 11 - c Push To Talk Mic
11 Operating Manual - ne24.24M Matrix Processor 8.1c Phantom Power +48V Phantom power for condenser microphones can be provided to individual channels by checking the <+48V Phantom Power> box in the preamp block for a given channel. 8.1c Push To Talk Mic This check box and drop down menu selec...
Page 13 - Max Gain; Action
13 Operating Manual - ne24.24M Matrix Processor is 0 degree phase shift, at the All Pass filter center frequency there is -180 degrees of phase shift, and at high frequencies there is -360 degrees of phase shift. Each input channel has an EQ On/Off button for all filters, and in turn each filter ban...
Page 14 - nels act to attenuate this input channel.; k Remote Level Control; Output Audio Functions; The following functions are available on all outputs: Mixer, High; a Output Matrix Mixer; independently from the main input or output mute blocks.
Operating Manual - ne24.24M Matrix Processor 14 8.1i Ducker A Ducker is used to attenuate the level of selected input channels when one or more "Trigger" inputs have signal present. Input channels can be set to one of four ducker modes: 1.) BYPASS - no ducking action applies.2.) DUCKED PROGR...
Page 15 - Butterworth
15 Operating Manual - ne24.24M Matrix Processor 8.2b Hpf/Lpf - Crossover Bandpass or crossover func- tions on the Protea ne24.24M are available only on the output chan- nels. Every channel's crossover consists of a high pass filter (HPF) and a low pass filter (LPF), along with the frequencies and fi...
Page 16 - Bessel; response will have a large notch at the crossover frequency.; Short Time Delay
Operating Manual - ne24.24M Matrix Processor 16 Bessel These filters, as implemented on the ne24.24M, are always -3dB at the displayed crossover frequency. Bessel filters are used because they have a maximally flat group delay. Stated another way, Bessel filters have the most linear phase response. ...
Page 18 - Copying Settings to Another Input Or Output; Wall Remote Assembly
Operating Manual - ne24.24M Matrix Processor 18 Since there are no user controls on the ne24.24M, the only way to load presets is by using Protea NE Software to recall files saved on either the PC or the ne24.24M. The exception to this is through the use of contact closures or the Ashly WR-5 wall-mo...
Page 19 - Do not connect the WR-2 remote level
19 Operating Manual - ne24.24M Matrix Processor In addition to using a WR-1 as the control device, the remote level control feature can be used for relay activated muting of selected channels, as in a fire alarm application (see sec. 16). Note: Use Protea System Software version 6.1.4 or higher, and...
Page 20 - Connector on; To Pin 1-8 for Preset Recall
Operating Manual - ne24.24M Matrix Processor 20 Connector on 24.24M Back Panel To Pin 1-8 for Preset Recall 1 2 34 Common* 2 1 Common* 4 3 ASHLY WR-2 1 2 3 4 C *Wired TogetherOn WR-2 PCB. Connector on 24.24M Back Panel CV-1 To Pin 1-8CV-2 To Pin 1-8 1 2 G* CV-2 +5* G CV-1 +5 *Ch. 2 Gnd/+5Are Wired T...
Page 21 - GPO EXPANSION MODULE WIRING EXAMPLES; ) Software doesn’t work on unit; software communications enabled using a 24.24M object; ) Excessive Noise; RS-232 Data Communications Problems
21 Operating Manual - ne24.24M Matrix Processor 11. GPO EXPANSION MODULE WIRING EXAMPLES 12. TROUBLESHOOTING TIPS12.1 Audio Problems 1) No power - Is the detachable AC cord fully plugged in? Is the rear panel power switch on? 2) Software doesn’t work on unit - If using ethernet, has the ne24.24M bee...
Page 22 - WARRANTY INFORMATION; The unit you have just purchased is protected by a
Operating Manual - ne24.24M Matrix Processor 22 14. SPECIFICATIONS INPUT . . . . . . . . . . . . . . Active Balanced, 18 kohms Max Input Level: . . . . . . . +20 dBu Input Gain Range: . . . . . . . -50dB to +12dB, polarity select OUTPUT : . . . . . . . . . . . . . Active Servo-Balanced, 112 ohms Max...
Page 23 - TYPICAL APPLICATIONS; DVD; VCR
23 Operating Manual - ne24.24M Matrix Processor • Corporate Boardroom System• Restaurant System• Left/Center/Right Theatre System• Conference Center System• Fire Alarm Mute • Shown with three input and one outputexpansion cards (fourchannels per card) • Autoleveling and gating for worry-freeautomati...
Page 24 - Theater System; Conference Center; Fire Alarm Mute; Emergency Alarm System
• Three output expansion cards added • Complete post-mixer system processor for all speaker locations • Electrical box mounted remote DC level controller for DressingRooms • Three input expansion cards added • Four independent room systems can easily bereconfigured using contactclosure preset recall...