60    WM-OM-E Rev I 
Note 1: If the dialog for the trace you want to annotate is currently displayed, you can touch the label button   at 
the bottom to display the Trace Annotation setup dialog. 
Note 2: You may place a label anywhere you want on the waveform. Labels are numbered sequentially according to the 
order in which they are added, and not according to their placement on the waveform. 
2.  If you want to change the label's text, touch inside the Label Text field. A pop-up keyboard 
appears for you to enter your text. Touch O.K. on the keyboard when you are done. Your 
edited text will automatically appear in the label on the waveform. 
3.  To place the label precisely, touch inside the Horizontal Pos. field and enter a horizontal 
value, using the pop-up numeric keypad. 
4.  To add another label, touch the Add label button. To delete a label, select the label from 
the list, then touch the Remove label button. 
5.  To make the labels visible, touch the View labels checkbox. 
To Turn On a Channel Trace Label 
Note: If you want to display each trace on its own grid automatically, enable Autogrid by touching Display in the menu bar, 
then Autogrid in the drop-down menu. 
•  On the front panel, press a channel select button, such as  , to display the trace label 
for that input channel and turn on the channel. 
•  To turn on a math function trace, touch Math in the menu bar, then Math Setup... in the 
drop-down menu. Touch the On checkbox for the trace you want to activate. 
•  You can also quickly create traces (and turn on the trace label) for math functions and 
memory traces, without leaving the Vertical Adjust dialog, by touching the icons at the 
bottom of the Vertical Adjust dialog: 
,  ,  ,  . 
Whenever you turn on a channel, math, or memory trace via the menu bar, the dialog at the bottom 
of the screen automatically switches to the vertical setup or math setup dialog for that selection. 
You can configure your traces from here, including math setups. 
The channel number appears in the Vertical Adjust tab 
 of the "Vertical 
Adjust" dialog, signifying that all controls and data entry fields are dedicated to the selected trace. 
Screen Layout 
The instrument's screen is divided into three areas: 
y  menu bar 
y  signal display area