1 Getting Started26 Keysight U8903A User’s GuideItem Key Description3 Softkeys 1 to 7 Activates the function as displayed on the right side of the LCD display4 System Controls system-wide functions consisting of:– instrument configuration information and I/O setup– screen capture function, which prints the display to a file on a USB externalflash storage– display mode, which toggles between the number of channels to show on theLCD display– save and recall– local key, which switches from remote mode to front panel access– instrument preset and help function5 Channel/Output Toggle the Run/Stop key to start or stop signal generation or measurements forthe selected generator or analyzer channel respectively.The On/Off key toggles on or off the generator output for all active channels.6 Graph Enables access to the graph functions including peak navigation and markerfunction. You can also use the Full Screen function to maximize the display area.7 Mode Enables access to the U8903A core functions8 Data Entry Contains alphanumeric and editing keys to enter values or text, or modify thevalues or data and confirm an entry9 Enter and arrow keys The Enter key confirms and then terminates data entry when the default unit isused.The usage of the arrow keys are as follows.– Selection of individual channel– Increases or decreases a highlighted digit or value of the current measurementselection– Navigation of Help topics– Navigates within forms used for setting up measurements– Navigates within tablesItem Control Description10 Knob Rotating the knob increases or decreases a numeric value, changes ahighlighted digit or character, steps through a list, or moves the markers alongthe graph plotTable 1-1 U8903A front panel description (continued)