M-Audio Digital Recording Interface Delta 44 Bedienungsanleitung

Delta 44 Quick Start Guide

The M-Audio Delta 44 is a high grade professional sound card. When setup properly for

use with the SD -1000, the results speak for themselves. Unbelievably high dynamic

range and crystal clear audio with this card when combined with the versatile SD -1000

results in an ear pleasing experience that is out of this world.

This page is designed to help you setup your new Delta 44 sound card for use with the

SD -1000. Below you will find a step-by-

step guide (7 steps) along with tips for getting the

fastest support. If you have questions that are not addressed in this guide, the [Flexradio]

Email eflector and the Flex- adio-Friends Teamspeak Server are available for fast,

friendly support.

CAUTION: It is extremely important to use the settings in the Delta Control Panel as

described below in order not to damage the SD -1000 hardware due to overdriving the

audio. Make sure the output is set to -10dBv as shown in the screenshots below.

The OEM version of the Delta 44 that Flex adio ships comes with three components: A

PCI card, the "breakout" box, and a cable to connect the two. We optionally ship the four

sets of cables necessary to connect the sound card to the SD -1000 (1/8" stereo to dual

1/4" balanced).

PCI Card

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Step 1: Install the PCI card

While a complete discussion of installing PCI cards is outside the scope of this quick start

guide, there are many resources available on the web just using a google search. For

more specific help, use the support methods mentioned above.

Step 2: Connect the breakout box

Use the included cable with D-style connectors to

connect the breakout box to the Delta 44

PCI card.

Step 3: Connect the cables

Use the diagram below to connect the breakout box to the SD -1000 and your speakers.

If making your own cables, note that the 1/8" tip connects to the odd numbered plugs while

the 1/8" ring connects to the even numbered plugs.

Breakout Box

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Note that the microphone can be connected either through the SD -1000 enclosure (Mic

to 4-pin connector on the front and the 1/8" stereo connector in the back going to the

sound card Mic In) as shown -OR- it can be wired straight to the Delta 44 Input 3/4.

A 1/8" stereo coupler will be necessary to connect the speakers to Out 1/2 unless the

speakers have a female 1/8" receptacle for the input. The same is true for connecting a

PC microphone rather than using the front panel connector. Note that with the Delta 44,

there should be not be a wire going to the plug marked "SPK " on the back of the

Cabling Diagram

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enclosure.

For digital mode support see the following link for a modified diagram: Digital Mode

Diagram. If using the digital setup, care should be taken to setup the second sound card

mixer correctly. Make sure that the Line In Mute on the Playback mixer is muted.

Here is a functional description of each input and output from the Delta 44 break out box:

Out 1 & 2: -10dBV nominal stereo speaker/headphone output. This will normally be

connected directly to either powered speakers or headphones. It will work also with un

powered speakers but don't expect -10dBV to blow the doors off. We use headphones on

this output with no problem. Windows sounds will play through this output if you have the

Delta 44 set as the default sound card in the Windows Control Panel. You will need either

a stereo coupler (barrel) or "Y" connector for this connection.

Out 3 & 4: This is -

10dBV I and Q modulated audio going to the transmitter, which must be

connected to the jack on the radio marked, "To Line Out." Failure to seat this connector

properly will cause transmission of double sideband signals. Note that the speaker jack on

the back of the radio is in parallel with the transmitter I & Q signals through a mute relay.

This "SPK " jack on the radio is ONLY to be used for consumer audio cards that do not

have the number of outputs supplied by the Delta 44. It should NOT be used with the Delta

44.

In 1 & 2: This is +4dBU level I and Q from the down converted baseband receiver audio.

This cable must be connected to the jack marked, "To Line In." Failure to fully seat this

connector will cause loss of image rejection on the receiver.

In 3: This is the -10dBV nominal microphone/digital mode input port. For normal operation

it should be connected to the jack on the back of the radio which is just ABOVE the words,

"To Mic In." The jack is a DI ECT connection to the front panel 4-pin microphone

connector. The wiring table can be seen in the Operating Manual in Chapter 3: Pinouts.

We have used this with a Heil Pro series microphone with success. If preferred, you can

connect the microphone directly to In 3, bypassing the front panel connector.

In 4: This channel is not used. If using Hosa cables with dual 1/4" plugs, make sure to

terminate this channel with the orange plug.

Step 4: Download the drivers

Now that you have the sound card hardware installed, it is time to help the operating

system understand how to talk to it. Use the following link to get to the driver download

page on the M-Audio website: Link Optionally fill out the requested info (not necessary)

and then click on the link in the yellow box to download the driver. Once downloaded, run

the file to install the drivers. It may be necessary to reboot after the installation is

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complete.

Step 5: Setup the Delta 44 Control Panel

Once the driver has been installed, the Delta 44 Control Panel will show up in the taskbar

(lower right hand side of the screen). Click on the icon (shown below) to open the control

panel and use the following screenshots to setup the controls.

M-Audio Website

Taskbar Icon

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Delta 44 Control Panel - Monitor Mixer Tab

Delta 44 Control Panel - Patchbay / outer Tab

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Step 6: Setup the PowerSD Software

Now that the Delta 44 sound card is completely setup, it is time to setup the PowerSD

software to use it. Note that the Delta 44 is supported only in versions Beta 1.3.2 and

later. Later versions may have these controls in different locations. Click the Setup menu

to pull up the Setup Form and click on the Audio Tab. Select the M-Audio Delta 44 (PCI)

from the Sound Card Selection combobox (see the figure below). Once selected, click the

Apply button and then click OK to close the Setup Form.

Delta 44 Control Panel - Hardware Settings Tab

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Step 7: Calibrate the microphone input

Open the Setup Form and click on the Transmit Tab. Keep this form open while returning

to the front panel. Select ALC on the TX Meter in the upper right corner. Make sure the

compressor (COMP) is turned off, and click the MOX button to begin transmitting. Speak

in a normal voice and adjust the Mic Preamp (see figure below) until the voice peaks are

right at 0dB on the multimeter (figure below).

PowerSD Setup Form - Audio Tab

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This concludes the Delta 44 Quick Start Guide. At this point you should be able to receive

and transmit with the Delta 44. If you are still having problems, please refer to the support

links mentioned at the top of this guide.

PowerSD Setup Form - Transmit Tab

PowerSD - ALC

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Updated 02/22/06

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