Keysight V3500A User Manual page 115

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V3500A User's Guide
Typical battery life was measured in default conditions at 500 MHz with backlight off and without
USB communications. With backlight on, the typical battery life is 2.5 hours.
With the USB cable connected to provide power and the optional external power disconnected, the
external power supply (V3500A-PWR) will be powered from the USB cable — regardless of wheth-
er batteries are present.
If the V3500A-PWR power supply is connected, it will be powered by the external supply —
regardless of whether the USB power or batteries are present.
The interface is USB 2.0 compatible with an interface speed of 12 Mbps.
Characteristics and Specifications 5
95