User guide

MS-DMT Guide v1.04
Released 05-30-2014
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By default Line In is selected, but can be changed. Line In is preferred over MIC In for the radio
RX audio.
After selecting the device of interest click Ok, there is no need to shut down and restart the
program
If your selected device is not displayed upon return to the dialog or on restart, then try the other
“By Number/By Name” If neither methods work, there is a driver issue under your OS and either
another driver will need to be tried or your device will need to be made the default sound
device under Windows for now.
The setup of RX and TX device levels at present is via the Windows level panels for the sound
device selected as the modem. The settings of external sound devices that offer manual
adjustments must be taken into consideration so as to return all settings to normal for use with
MS-DMT should they be changed for other applications.
You may also want to maintain a database of sound device settings if you plan to make use of
different sound device modem based communications applications and forego just setting the
output sound panel level to max so that you return to the proper settings. The following tools
are popular for this purpose:
 QuickMix (http://www.ptpart.co.uk/assets/unsupported/quickmixin.zip)
 RoMac Sound Card Manager
(http://www.romacsoftware.com/SoundManagement.htm)
The next sections provide details to consider regarding setting program priority level and affinity
followed by sound device selection and configuration. Thereafter the program interface and
features will be detailed.
RoMac Sound Card Manager has the following note:
“Vista and later users Note : If launching a program that has been set to "Run
as Administrator" the software will not detect the software running and will return