U8903A Quick Start Guide 15
Table 5 Editing keys description
No Item Description
1 Knob The usage of the knob are as follows.
• Increases or decreases a numeric value
• Changes a highlighted digit or character
• Navigates through lists or items in a row
• Moves the marker along the graph plot
2 Arrow keys The usage of the up and down arrow keys are as follows.
• Highlights the active channel
• Increases or decreases a highlighted digit or value of the current measurement
selection
• Navigates within tables
The usage of the left and right arrow keys are as follows.
• Selects the channel number
• Navigates the editable items on the LCD display for editing
• Navigates within tables
3 Enter Confirms an entry and then terminates data entry when the default unit is used
4 Numeric keys Enter alphanumeric data by using the number keys and decimal point
5 +/– Specifies a positive or negative value. For a negative value, toggle this key to enter
the negative sign before a numeric value.
6 Enter Confirms an entry
7Esc • Cancels a selected action
• Deactivates the Help mode
8 Bk Sp Deletes the selected data entry