Charge The Battery - Keysight U1610A Quick Start Manual

Charge the Battery

Before using the handheld scope for the first time
or after a prolonged storage period, fully charge
the battery for at least 3 hours, with the handheld
scope turned off, using the AC/DC adapter
provided. If the battery is fully discharged after
subsequent use, charge the battery with the
handheld scope turned on.
The power key
the battery is fully charged.
6
will turn constant yellow when
Keysight U1610/20A Quick Start Guide