


The program menus are designed for easy use, and the documentation is good (Help Menu → Contents → Program Overview). TrueTTY is a program for amateur radio digital text communication via a sound card. Only limited format options, but the visibility can beįldigi, another digital mode program with high visibility text options is described in an article for Windows/Macs and and article for Linux. Ham Radio Deluxe Digital Master 780 (DM-780) has TrueTTY has built-in options for customizing text and Two different digital mode programs are used in the examples: This article describes how hams with impaired vision can make the incoming text easier to read using large text, magnification, and a high contrast color scheme. The operator enters text via the PC keyboard and reads incoming messages on the computer screen.

To use these modes hams usually send signals over the air using a transceiver that is connected to a personal computer. This article is for amateur radio operators with impaired vision who are interested in using HF digital text modes such as RTTY and PSK31.
