Klark Teknik HELIX DN9848 Manuale utente
Klark Teknik Group,
Klark Teknik Building,
Walter Nash Road,
Kidderminster.
Worcestershire.
DY11 7HJ.
England.
Tel:+44 (0) 1562 741515
Fax:+44 (0) 1562 745371
Email: [email protected]
Website: www.klarkteknik.com
OPERATORS MANUAL
DN9848
DECLARATION OF CONFORMITY
We,
of, Klark Teknik Building, Walter Nash Road, Kidderminster, Worcestershire, DY11 7HJ
Declare that a sample of the following product:-
to which this declaration refers, is in conformity with the following directives and/or standards:-
Signed:............................
Name: David Hoare
Authority: Technical Director, Klark Teknik Group (UK) PLC
Attention!
Where applicable, the attention of the specifier, purchaser, installer or user is drawn to special limitations of use
which must be observed when these products are taken into service to maintain compliance with the above
directives. Details of these special measures and limitations to use are available on request and are available
in product manuals.
Klark Teknik Group (UK) PLC
Walter Nash Road, Kidderminster, Worcestershire. DY11 7HJ. England
Tel: (44) (0) 1562 741515. Fax: (44) (0) 1562 745371
Company Registration No: 2414018
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SIGNAL PROCESSING BY DEFINITION BETTERBYDESIGN DESIGNEDFOR APUREPERFORMANCE
Product Type Number Product Description Nominal Voltage (s) Current Freq
DN9848 115V AC 200mA
100mA
50/60Hz
230V AC
Directive(s) Test Standard(s)
Generic Standard Using EN55103 Limits and Methods EN50081/2
Class B Conducted Emissions EN55103
Class B Radiated Emissions EN55103
Fast Transient Bursts EN61000-4-4
Static Discharge EN61000-4-2
Date: 1st February, 2000
A Subsidiary of Telex communications, Inc.
Thank you for using a Klark Teknik product
After you have unpacked
Introduction
Installation and Connection
Rear panel connectors
User interface
Controls
Main menu structure
Save/load routine
System setup menu
Input menu structure
Output
Test mode
Operational example
Technical specification
menu structure
Page 1
Page 2
Page 3
Page 5
Page 6
Page 7
Page 8
Page 11
Page 12
Page 13
Page 18
Page 20
Page 23
Page 24
Page 26
Contents
.
1
Thank You For Using This Klark Teknik Product
To obtain maximum performance from this precision electronic product, please study these
instructions carefully. Installation and operating the DN9848 is not complicated, but the flexibility
provided by its operating features merits familiarisation with its controls and connections. This unit
has been prepared to comply with the power supply requirements that exist in your location.
Do not install this unit in a location subjected to excessive heat, dust or mechanical vibration.
Connection is made by means of an IEC standard power socket. The rear panel text indicates the
voltage range required for satisfactory operation of the unit.
Before connecting this unit to the mains supply, ensure the fuse fitted is the correct type and rating
is as indicated on the rear panel, adjacent to the fuse holder.
This unit is fitted with a standard fused IEC mains inlet: For safety reasons the earth lead should
never be disconnected.
To prevent shock or fire hazard, do not expose the unit to rain or moisture. To avoid electrical shock
do not remove covers. Refer servicing to qualified personnel only.
This product should only be used with high quality, screened twisted pair audio cables, terminated
with metal bodied 3-pin XLR connectors. Any other cable type or configuration for the audio
signals may result in degraded performance due to electromagnetic interference.
Should this product be used in an electromagnetic field that is amplitude modulated by an audio
frequency signal (20Hz to 20kHz), the signal to noise ratio may be degraded. Degradation of up to
60dB at a frequency corresponding to the modulation signal may be experienced under extreme
conditions (3V/m, 90% modulation).
Precautions
Voltage Selection and Power Connection
Safety Warning
Attention!
Cables:
Electric Fields:
After You Have Unpacked The Unit
Labc
This
Side Up
2
Save all the packing materials - they will prove valuable should it become necessary to transport or
ship this product.
Please inspect this unit carefully for any signs of damage incurred during transportation. It has
undergone stringent quality control inspection and tests prior to packing and left the factory in
perfect condition.
If, however, the unit shows any signs of damage, notify the transportation company without delay.
Only you, the consignee, may institute a claim against the carrier for damage during transportation.
If necessary, contact your supplier or as a last resort, your Klark Teknik importing agent, who will
fully co-operate under such circumstances.
Introduction
The DN9848 is a highly configurable, digital electronic crossover/loudspeaker management system
comprising of four balanced analogue input channels and eight balanced analogue output channels. The
user may choose from the following preset routing configurations:
Each output channel may be sourced from the following input channel options :
None
A
B
C
D
A+B (channels summed at -3dB with balance control)
C+D (channels summed at -3dB with balance control))
A+B+C+D (channels summed at -6dB)
Though the DN9848 utilises a fully digital processor, it maintains the operational paradigm, as well as
the sonic integrity, of a high quality analogue unit. In addition to guaranteeing absolutely precise filter
operation, the use of digital technology provides unrivaled flexibility of routing, the ability to program
delays into both the input and output channels, extensive equalisation on both the input and output
channels, and of course programmability. Each input channel provides eight separately configurable,
fully parametric equalisation stages that may be used for room equalisation, up to 1000ms of delay, gain
control and compression. Full metering with clip indication is available for all input and output
channels.
Each output channel provides configurable high and low-pass filters for setting the crossover
characteristics as well as six further stages of fully parametric equalisation that may be used to
compensate for system or enclosure characteristics. Further delay of up to 300ms is available on each
output, mainly used for system time alignment, in addition to gain control, muting and limiting. Dual
all-pass phase correction sections are also included, the first of which can be any of the filter or
parametric EQ stages and can be adjustable in 5 degree steps.
The crossover filter types available are:
12dB/octave peaking (high-pass filter only)
24dB/octave peaking (high-pass filter only)
Butterworth (6, 12, 18, 24, 36 and 48dB/octave)
Linkwitz-Riley (12 and 24dB/octave)
Bessel (12, 18, 24, 36 and 48dB/octave)
All aspects of the unit may be programmed from the front panel via a RS-232 port or via remote control
using the standard comms port and RS-485 . Parameters may be directly edited via rotary controls and
switches on the front panel with all values being displayed on a 2-line, 24 character backlight LCD
display.
The operating system is held in flash ROM, enabling updates to be installed directly from a computer
and various levels of safety lockout. This lockout ability may be used for installations or hire
applications where unauthorised user intervention could place the connected loudspeaker systems at
risk. Upto 24 character passwords can be used rather than PIN numbers due to the large display.
3
Six user memories, 32 System memories and 99 Factory Presets are available. The System memories
are used to store complete setups for custom loudspeaker configurations while the User memories are
provided to allow a small number of patches to be stored or recalled while the main System memories
are locked to prevent alteration.
A working memory area is used to store the patch currently being used or edited - no changes made to
the working memory will be made permanent until the patch is stored.
The Factory presets will include crossover setups for commonly used EV and third-party loudspeaker
systems as itemised in the specifications section of this manual. A blank patch is also provided for
overwriting existing user patches where required. All the memory areas are monitored by an error
checking system. If an error is diagnosed, the DN9848 will attempt to correct the error and also display
a warning message to alert the user.
As supplied, the user patches are set to unity gain with all processing switched out and no routing.
4
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