Front-panel user interface overview
The front-panel user interface gives you quick access to 
source settings, measure settings, system conguration, 
instrument status, reading buer information, and other 
instrument functionality.
Startup screen
When you turn on the 2281S, you will see the following 
startup screen. 
As you can see from the gure, the 2281S has three 
functions:
•  High-precision power supply: Supplies 20 V, 6 ADC 
power
•  Battery test: Conducts battery charging and discharging 
tests to calculate the capacity and resistance of the 
battery and creates a battery model
•  Battery simulator: Simulates a battery to determine 
what eect the battery has on the Device Under Test 
(DUT) in dierent states
You can choose a function by turning the navigation control 
or pressing the soft keys and pressing ENTER to access the 
respective home screens of the function.