The Model 1707B is a general-purpose, wideband oscilloscope designed for bench or field service. The Model 1707B operates from an ac line, dc line or optional battery pack. The optional ,rechargable nickel cadmium batteries provide up to 4.5 hours of operation and require a recharge time of approximately 14 hours. A carrying handle provides ease of transportation and is adjustable, allowing the Model 1707B to be placed at an angle for viewing the CRT.