The Tektronix 7A16P is designed for use in the 7000 series programmable digitizers. All of the normal operational features of a high-quality, wide-band 7000 Series plug-in amplifier are provided in the 7A16P. These are available at the front panel for manual selection, or they can be set under program control via program control via a programmable mainframe and the GPIB. Whether operated manually or under program control, the front-panel push buttons light to indicate plug-in status.