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Serial Link
(reco
transmitted)

MIDI-Byte

Beschreibung

F0 (hex)
30
0n
18
01
DATA
CHECKS
F7

System Exclusive
DYNACORD ID: No 48
n = MIDI Channel 0 - 15 (7F = All Channels)
DSP 244 ID: No 24
Function ID: Serial Link / Parser
ASCII Code Line for Command Parser (up to 120
Byte)
Checksum for DATA (7 Bit, 2’s Complement)
End of SysEx Message

Further details concerning the Command Parser ASCII Code are shown in the following tables.

Device Commands

UNIT-ID

Tree

Value

Unit

/ID1/

COMMAND/

STORE

1 ... 30

LOAD

1 ... 80

DUMP

0 ... 30

DEVICE ?

C o m P o r t C o n f i g u r a t i o n

Tree

Value

Unit

COMCONF

LINEFEED

ON/OFF

PROMPT

ON/OFF

ECHO

ON/OFF

M I D I

10-3

Содержание DSP 244

Страница 1: ...OWNER S MANUAL DSP 244 24 BIT DIGITAL SOUND SYSTEM PROCESSOR 1 1...

Страница 2: ...nto your outlet consult an electrican for replacement of the absolete outlet 1 Security regulations as stated in the EN 60065 VDE 0860 IEC 65 and the CSA E65 94 have to be obeyed when servicing the ap...

Страница 3: ...difying Factory Preset Programs 7 5 8 PARAMETERS 8 1 8 1 Parameter Access 8 2 8 1 1 Parameter Access Table 8 2 8 1 2 Parameter Link Table 8 3 8 2 Description of Parameters 8 3 9 OPTION FUNCTIONS 9 1 9...

Страница 4: ...The user can choose between two operation modes the No Edit Mode allows to simply select the required combination of loudspeaker systems from the factory preset program list Afterwards the appliance i...

Страница 5: ...n blocks including their individual parameters and parameter values Additionally and depending on the actually chosen mode the display also indicates option menus status messages short operational not...

Страница 6: ...output levels are needed Use the rotary controls OUTPUT 1 4 to attenuate the output levels It is not recommended to use the digital output gain control for massive attenuation since this would declin...

Страница 7: ...viding that a standard MIDI interface has been installed in your PC Notebook 20 OUT 1 4 connectors These are the 4 balanced outputs of the DSP 244 The signals of these sockets supply different frequen...

Страница 8: ...make the required input and output connections in advance and in accordance to the desired configuration 3 1 Balanced INPUT OUTPUT configuration For best results the DSP 244 is operated using its bala...

Страница 9: ...pter 7 1 PROGRAM SELECTION You can copy this program to a user definable preset and alter the settings according to your personal preferences see chapter 7 4 STORE PROGRAMS AND PROGRAM NAMES and chapt...

Страница 10: ...or configuration PROGRAM SELECTION Together with the DSP 244 you receive a listing of all available factory presets In case you are using a DYNACORD loudspeaker system that is listed just select the...

Страница 11: ...tary encoder select CHANNEL EQ1 in the display Here you are able to edit the first filter of this channel Through use of the right SELECT key you are able to select the parameter Type and change its s...

Страница 12: ...t channel MATCHING THE FREQUENCY RESPONSE Using the Master EQs in the input channels of the DSP 244 the PA system can be easily matched to various environmental and acoustical conditions In many cases...

Страница 13: ...fic configuration which is also displayed next to the program number and program name In general all configurations offer identical signal processing blocks Five filters are available for either one o...

Страница 14: ...on represents a 2 way frequency crossover with monaural sub channel and additional Fullrange output OUT 1 is the sub channel that is fed by the summed audio signals of the inputs IN 1 and IN 2 OUT 2 a...

Страница 15: ...reo operation 6 4 3 Way Mono Sub Fullrange This configuration also represents a 3 way frequency crossover with additional full range output with the difference that the Sub range channel OUT 1 is fed...

Страница 16: ...rcement in adjacent rooms The internal structure of the 3 Way Independent Sub Fullrange configuration is shown in the following signal flow diagram An example of a typical system configuration for thi...

Страница 17: ...t channel IN 2 This structure is suitable for instance for the equalization of full range wide band loudspeaker systems or passive multi way systems The following signal flow diagram shows the assignm...

Страница 18: ...the parameters of the corresponding channel The following figure shows the different menu levels and explains how to select them Initial state after power on operation Last used program with program n...

Страница 19: ...guration differs from the one that had been previously selected an additional dialog on the display informs you about this circumstance and about the possibility to probably change the wiring to preve...

Страница 20: ...vious parameter is selected using the SELECT keys 5 and 6 The display might show the following If needed steps 3 to 6 can be repeated as often as necessary 7 Pressing the EDIT key 4 again quits the Ed...

Страница 21: ...e the rotary encoder 10 to select the desired preset location For instance the display might look like this Please proceed with step 6 if you do not want to change the program s name 4 Use the SELECT...

Страница 22: ...parameters to their optimal values matching your components Afterwards your sound reinforcement system is ready for operation immediately If you want to make your own settings or re adjustments this...

Страница 23: ...e following chapters IN1 MASTER EQ1 IN1 MASTER EQ2 IN1 MASTER EQ3 IN1 MASTER EQ4 IN1 MASTER EQ5 IN1 MASTER DELAY IN2 MASTER EQ1 IN2 MASTER EQ2 IN2 MASTER EQ3 IN2 MASTER EQ4 IN2 MASTER EQ5 IN2 MASTER D...

Страница 24: ...STANDARD Mode 1 FULL EDIT Mode Stereo 2 Way Stereo 2 Way Mono Sub Fullrange 3 Way Fullrange 3 Way Mono Sub Fullrange 3 Way Independ Sub Fullrange 4 Way 2 In 4 Full Edit ROUTING NO NO NO NO NO NO NO Y...

Страница 25: ...ges and settings Additional information about the affect of each parameter is provided through the corresponding setting example When entering the EDIT mode either the first parameter of the actual pr...

Страница 26: ...quality and therefore the graph of the Hi Pass and Lo Pass filters Gain sets the degree of amplification or attenuation of the parametric EQ or the low shelving and high shelving equalizers The stepwi...

Страница 27: ...ilter HISLV f 2000Hz Slope 6dB Gain 3dB 6dB 9dB 12dB Low Shelving Filter LOSLV f 200Hz Slope 12dB Gain 3dB 6dB 9dB 12dB High Shelving Filter HISLV f 2000Hz Slope 12dB Gain 3dB 6dB 9dB 12dB Hi Pass Fil...

Страница 28: ...lation additionally includes the influence of the environmental temperature Temp allows you to enter a value for the momentary environmental temperature This parameter appears only when the selected d...

Страница 29: ...ilter with programmable frequency quality and gain LOSLV HISLV stand for Low Shelving or High Shelving Equalizer respectively Their parameters are frequency f slope and gain The parameters of the LOPA...

Страница 30: ...slope settings for the transition band are possible Together with the Q parameter this provides the possibility to program the Hi Pass filter for so called B6 alignment i e an increase in the respons...

Страница 31: ...lter types generate phase responses that lead to significant level reduction in the overall audio signal at the crossover frequency This negative effect can be eliminated by inverting the polarity of...

Страница 32: ...in the overall audio signal at the crossover frequency This negative effect can be eliminated by inverting the polarity of the output that carries the low frequency signal The following table provides...

Страница 33: ...0 s 900000 s 0 feet 1014 feet 0 inch 12169 inch 0 m 309 m 0 cm 30910 cm 0 ms Unit ms s feet inch m cm ms Temp 20 C 60 C 4 F 140 F 20 C The Delay parameter determines the delay time of the correspondin...

Страница 34: ...means that a level change of 4 dB at the input results in a level change of only 1 dB at the output provided that the input level exceeds the threshold level Attack defines the time interval after wh...

Страница 35: ...drops below the threshold the audio signal s gain is processed to return to its original value This signal processing follows an exponential curve so that the volume change is appropriate for the hum...

Страница 36: ...ay of the internal software revision number Press OPTION 7 to activate the option programs The last used option program appears on the display e g Use the two SELECT keys 5 and 6 to select the desired...

Страница 37: ...ximately 60 dB s i e with lower signal levels the meter instruments drop slower 9 5 EDIT PROTECTION The DSP 244 offers the possibility for edit protection Once this protection mode is enabled internal...

Страница 38: ...unction allows the user to select the unit for the temperature settings Temperature values are used in the master and channel delays which enables the DSP 244 to automatically include temperature re l...

Страница 39: ...s transferred via the previously set MIDI transmission channel MIDI TX CHANNEL This allows to control a single or several connected DSP 244 slave units from one master All parameters and program chang...

Страница 40: ...face is equipped with a 9 pole D SUB terminal strip male The pin assignment is Pins 1 8 Control contacts Pin 9 Ground You are able to connect switches rotary switches or relays which are controlled th...

Страница 41: ...rameter is listed at the end of the program chart after F50 9 11 NRS 90247 RS 485 INTERFACE SETTINGS Amongst other available options retrofitting the NRS 90247 RS 485 interface in the DSP 244 instead...

Страница 42: ...quency crossovers 6 12 18 24 dB oct slope Butterworth Bessel Linkwitz Riley Filters 26 parametric equalizers Low Shelving equalizer LPN Lowpass Notch switchable Hi Shelving equalizer 6 12 dB slope swi...

Страница 43: ...quest recognized MIDI Byte Description F0 hex 7E 0n 06 01 F7 System Exclusive Universal System Exclusive Non real time header n MIDI Channel 0 15 7F All Channels General Information Identity Request E...

Страница 44: ...ink Parser ASCII Code Line for Command Parser up to 120 Byte Checksum for DATA 7 Bit 2 s Complement End of SysEx Message Further details concerning the Command Parser ASCII Code are shown in the follo...

Страница 45: ...20000 Hz TYPE THRU 6DB 12DBQ0 5 12DBQ0 6 12DBQ0 7 12DBQ0 8 12DBQ1 0 12DBQ1 2 12DBQ1 5 12DBQ2 0 LINKW12DB BESSEL12DB BUTTER12DB BESSEL18DB BUTTER18DB LINKW24DB BESSEL24DB BUTTER24DB LOPASS see HIPASS D...

Страница 46: ...sembly 80449 5 screws on the bottom plate Detach the connections between the two printed board assemblies Slightly lift the printed board 80448 and carefully pull it in the direction to the front of t...

Страница 47: ...ear 3 Loosen the blinding on the rear plate 2 screws on the rear 4 Install the extension kit s printed board assembly at the correct destination see figure below 5 First tighten the screws at the rear...

Страница 48: ...BLOCKDIAGRAMM BLOCK DIAGRAM 10 7...

Страница 49: ...FLUSSDIAGRAMM FLOW DIAGRAM 10 5...

Страница 50: ...Abmessungen Dimensions in mm ABMESSUNGEN DIMENSIONS 10 6...

Страница 51: ...The warranty does not cover damage that results from improper or inadequate treat ment or maintenance In case of alteration or unauthorized repairs the warranty is automatically termi nated GARANTIE L...

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