Security and other Set Up Options

Names can also be allocated to individual input and output channels via their associated menus (see Sections 5.2.2 and 6.2.2).

All names are stored with User and System memory settings. The Store function will assume the working memory name as the default memory name, prompting you to edit it if required (see Section 8 Storing and Recalling Settings).

7.6. Delay Options (Page 7)

The units of measurement used to specify the delay on the input and output channels can be set to suit user preference, as follows:

Time (milliseconds and microseconds) Metric distance (metres)

Imperial distance (feet and inches)

To change the units of measurement

1Turn the left-hand knob to choose the units.

2For Metric or Imperial distance measurement, specify the ambient temperature of the venue using the centre knob. The DN9848 will use this to adjust the speed of sound (which varies with temperature) in the delay calculation so that accurate delays are applied to the channels.

The delay units are changed in the input and output menus, with the current values being automatically converted to equivalent values.

7.7. Power Up Options (Page 8)

Two power up options are provided as follows:

Logo On/Off– This refers to the logo animation displayed a start up.

Output Level Ramp – This is used to apply a gradual ramp up to full output levels when you

power on the unit, e.g. to avoid sudden power surges in larger systems. The ramp can be adjusted between 0 – 32s and will recover the output mute states held when the unit was last switched off. Alternatively, an initial mute can be automatically applied to all of the outputs (on a ramp setting; this is the default setting.

To switch the logo on/off, turn the left-hand knob.

To change the ramp up time at the outputs, turn the centre knob. The ‘Outputs Muted’ option is found just below 0s.

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Telex DOC02-DN9848, DN9848 Loudspeaker Processor Delay Options, Power Up Options, To change the units of measurement
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DOC02-DN9848, DN9848 Loudspeaker Processor specifications

The Telex DOC02-DN9848, commonly referred to as the DN9848 Loudspeaker Processor, is an advanced audio processing device designed to enhance sound quality in both live and recorded environments. With a sleek and modern design, the DN9848 is engineered to meet the demanding needs of professional audio applications, be it in concert venues, theaters, or broadcast studios.

One of the key features of the DN9848 is its comprehensive processing capabilities. Equipped with a powerful DSP (digital signal processing) engine, it offers extensive equalization options, dynamic range control, and advanced crossover functionality. The device utilizes up to 48 input and output channels, allowing for unparalleled flexibility in routing audio signals. This makes it ideal for installations that require precise control over multiple loudspeakers.

The DN9848 also boasts an intuitive user interface, which facilitates straightforward navigation through its various functions. The front panel features a large LCD display that provides clear visibility of parameters, and a selection of knobs and buttons enables easy adjustments. For remote operation, the device can be controlled via Ethernet, allowing technicians to make changes from virtually any location.

Another standout aspect of the DN9848 is its customizable algorithms that accommodate different speaker systems and acoustical environments. Users can fine-tune the processor to optimize performance for specific venues or loudspeakers. The device supports both FIR (finite impulse response) and IIR (infinite impulse response) filters, providing users with the flexibility to deploy advanced filtering techniques according to their needs.

The DN9848’s robust connectivity options further enhance its utility. It features standard analog XLR connectors, as well as digital interfaces that include AES/EBU and Dante. This multi-format compatibility ensures seamless integration into existing audio setups, making it a versatile choice for audio professionals.

In terms of reliability and durability, the DN9848 is built to withstand the rigors of the professional audio world. Its rugged chassis and high-quality components ensure that it can perform consistently in various conditions, making it a trusted partner for sound engineers.

In summary, the Telex DOC02-DN9848 Loudspeaker Processor combines sophisticated audio processing capabilities with user-friendly features and robust connectivity. Its advanced technology and flexible options make it an indispensable tool for achieving optimal sound in a variety of professional audio environments.
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