Operation and Features 2
U8903A User’s Guide 51
Item Key Description
2 Back Space Deletes the character to the left of the cursor
3 Esc Cancels a selected action
4 Enter Confirms an entry
5 +/– Specifies a positive or negative value. For a negative
value, toggle this key to enter the negative sign
before a numeric value.
6 Numeric keys Enter alphanumeric data by using the number keys
and decimal point
7 Enter Confirms an entry
8 Arrow keys Use the arrow keys to select a channel, and
highlight or navigate the editable items on the LCD
display for editing
Table 2-9 Editing key/control description (continued)