GENERAL The 50 MHz dual-channel oscilloscope PM 3215 and PM 3215U is a compact, lightweight instrument, featuring ergonomic design and extensive measurement capabilities. A large 8 x 10 cm screen, with internal graticule lines, a high intensity trace together with features such as TV triggering, switchable trigger modes and adding modes for the vertical channel, make this instrument suitable for a very wide range of use. Use of the oscilloscope in the field is further facilitated by optional battery operation. This service manual contains all service information about the PM3215 and PM3215U. For operating instructions, refer to the Operating Manual which also contains accessory information.