User guide

MS-DMT Guide v1.04

Released 05-30-2014

Here is the same signal displayed using MixW with an 80db dynamic range setting and an

average curve setting of normal.

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

input 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)

NOTE: In a dire emergency situation use of this software via close acoustic coupling between a the PC

Mic input from the radios speaker may support receiving a message, use of this technique at 300bps

and below is recommended.