The Model 288 Signal Generator is a precision source of sine, triangle, and variable symmetry (ramp and pulse) waveforms for use in the installation and maintenance of radio receivers, transmitters and other electronic equipment. • Push button control for easy operation. • Indicator lights give constant equipment status. • Large, 16 character (fourteen segments/ character), display for all parameters. • Programmed interface for remote operation. • Programmable sine, triangle, square, and dc outputs. • Variable symmetry provides pulse and ramp waveforms. • Balanced and unbalanced outputs. • Built-in calibration and fault analysis programs with extensive self-adjustment. • Battery backup for saving system setups.