Charge the Battery
Unplug the power adapter when measuring signals to improve the common
NOTE
mode rejection.
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
Keysight U1610/20A User's Guide
will turn constant yellow when the battery is fully charged.
Getting Started
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