The Digimess FG303 is a general purpose direct digital synthesis (DDS) function generator with a frequency range up to 3MHz. Frequency settings can be changed by keypad entry or rotary control and the combination of soft touch buttons and rotary controls for the remaining features result in a modern and easy to use instrument. This versatile generator has a s 6 digit frequency display for internal and external signals and a 4 digit output amplitude display. The comprehensive specification also includes an outputs on/off switch and a variable TTl/CMOS amplitude control. Further features include LED indicators for frequency, amplitude and attenuation ranges as well as the selected waveform range.