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Инструкция по эксплуатации Dynacord, модель DSP 244

Производитель: Dynacord
Размер: 2.02 mb
Название файла: dbf06cd5-467f-4fb8-b62c-b5da4d137341.pdf
Язык инструкции:en
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Фрагмент инструкции

A huge number of additional filters offers extremely flexible correction of the frequency response. Each input incorporates a 5-band equalizer, allowing to assign high and low-pass, high and low-shelving or parametric peak-dip filters to its individual filter sections. Next to the frequency crossover filters, four additional filters are employed in each output channel, which also can be set to work as high or low-pass, high or low-shelving filters, parametric peak-dip filters, or all-pass filters. Additional filtering is provided through 2. order high-passes for the realization of B-6 alignment, or special LPN-filters (Low-Pass Notch filters) for correcting the frequency and phase responses of optimally vented woofer cabinets. Each channel additionally provides a delay, a polarity switch, a programmable level control and a digital compressor / limiter while the master delays are located in the input channels. 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 is optimally matched to the sound system and can be operated instantly. The “Full Edit Mode” on the other hand offers access to all parameters, allowing to freely program and store basically any setting. A total number of 80 memory addresses - 50 preset and 30 freely assignable user-programs - are available. Within the DSP 244, AD/DA conversion is taken care of by linear 24-bit converters; where the AD-section employs 128 times oversampling, gain-ranging Sigma-Delta converters. The DA-section offers 128 times oversampling Sigma-Delta converters. The overall signal processing is performed by two 24-bit Motorola signal processors. Additional features are: -FLASH memory for software and preset updates via serial interfaces - PC-based operation and configuration software running under Windows ‘95 / Windows ‘98 -Standard MIDI-interface and RS-232 interface -RS-485 interface or switching contacts optionally available -Back-lit graphic-display with 122 x 32 dots -Inputs and outputs are electronically balanced, XLR-type connectors -Input transformer-balancing is optionally available - Input / Output level controls, Output-Mute switch, channel function indicators SUB, LO, MID, HI -Input / Output meter instruments, compressor and clipping LEDs Within this owner’s manual many of the DSP 244’s extensive features are explained in detail. Keep the manual stored at a safe place to have it at hand for any further reference. 1.2 UNPACKING AND WARRANTY Carefully open the packaging and take out the DSP 244. Remove the protective foil from the plexiglas of the LC-display. Next to this owner’s manual, the appliance is shipped together with mains cord and warranty card. Please make sure that the warranty card has been completed. Only with a fully completed warranty certificate any possible warranty claims can be granted. The appliance comes with a 36 months warranty which is valid starting with the original date of purchase; respectively when receiving the device from your dealer. Please keep the warranty certificate, the original invoice and also the original packaging at a safe place for any eventual shipping. 1-4 CONTROLS AND CONNECTIONS 2. CONTROLS AND CONNECTIONS 2.1 FRONT PANEL 1, Control INPUT 1 / INPUT 2 Rotary controls to set the input levels of the inputs 1 and 2 of the DSP 244. The input signal can be amplified by up to 6 dB (control set to its clockwise margin) or attenuated by any degree. Set the level as high as possible without clipping to achieve the highest possible S/N ratio. Checking your settings is possible via the reading of the two level meter instruments. 2, Level meters The level meter instruments are meant for optical monitoring of the input signal levels, individually showing the peak value of the correspondent input signal. The input control should be set to a position so that the meter instruments indicate a level between -6 and -12 dB. To prevent internal clipping, make sure that the clip-LEDs are not lit. Two different indication modes can be selected: “Peak Hold”-function or “Slow Mode”. 3, Graphic display In the PLAY mode this 122 x 32 dots LC-display shows the name of the program, its number, name and description of the chosen loudspeaker systems, as well as the momentary active configuration. In EDIT mode the display shows the function 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 notes, etc. 4, EDIT-key This key allows to enter the EDIT mode. After pressing the button, the first or the last modified parameter of the active program is displayed. Other parameters are selected through the use of the SELECT-keys. The individual value of the momentary displayed parameter can be altered by means of the rotary encoder. For further information, p...

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