The document is a user manual for a single output DC power supply, providing information about the features and characteristics of the product.
The Keysight E3640A and E3641A series are high-performance single-output dual-range programmable DC power supplies. These units combine the convenience of a benchtop design with system integration capabilities, featuring GPIB and RS-232 interfaces as standard equipment. They offer features such as output on/off control, high accuracy, low ripple and noise, and five state storage locations for easy recall. This manual is written in Chinese.
The power supply has five state storage locations that can be recalled from the front panel.