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FlexRadio Systems 2003 Page 3
Line In and Microphone for the respective TR modes. For more information on the
operation of the sound card mixer read, “Making a Sound Card Work for You,” Bob
Freeth, G4HFQ, QEX, May 2001.
There are four configurations of the Windows Multimedia Mixer for Recording: Mux,
Mixer, Multiple Mute, and Multiple Select. All but Multiple Select are currently
supported by SDR-Console. The software attempts to determine the mixer type and then
sets most of the controls to their proper settings. Here are the characteristics of the four
types:
• MUX – The input to the Recording Control allows only one input to be selected at
a time usually with a pull down select box. It may also have select boxes at the
bottom of each control but only one may be selected at a time. The Turtle Beach
Santa Cruz card uses a MUX type Record mixer.
• Mixer – The Mixer panel may
have Select check boxes at the bottom of each
control. For proper operation only the desired control should be checked for the
respective TR mode – line-in for receive and microphone for transmit.
• Multiple Mute – SoundBlaster AWE32 and AWE64 cards typically have this type
of mixer. Each control on the Record Control has a mute checkbox. This means
that for proper operation all controls must be muted except for the desired control
– line in for receive and microphone for transmit.
• Multiple Select – We have not seen this type of mixer so we can’t say what it
looks like. It is documented in the Microsoft mixer information. If you get the
error message: “Unable to determine the Record Source Mixer type," please
report it to FlexRadio Systems.
Probable Causes:
1. Make sure you are using one of the officially supported sound cards that are
listed on the Specifications Page of the FlexRadio Systems website and in the
SDRConsole Installation and Quick Start Guide. These are the ONLY cards
that we guarantee will work with the SDRConsole software. Use of other
cards is at your own risk.
2. Check all cables according to the SDR-100 Hardware Manual instructions.
3. Read the SDR-Console Installation and Quick Start Guide for instructions on how
to install and use the software.
4. MUX or Mixer type Record Controls not selected properly – You have not
correctly set up the Input Mixer Selection on the SDR-Console Setup
Options/General tab. Open the Recording Control as described above. Observe
the selected input as you press the up/down arrows on the Line In Record ID
control. Find the ID number of the control that corresponds to the Microphone
(versions after
v1.0.0 will allow you to directly set the Microphone ID with the
Mic In Record ID). Once you know the Microphone ID, dial it into the Mic In
Record ID using its respective up/down arrows. Next, find the Line In ID number
using the Line In Record ID again and leave it with the Line In control selected.
Press OK or Apply to save the settings.
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