Siemens SINUMERIK 802D sl Programming And Operating Manual page 215

<T mark ON> / <T mark OFF>softkeys are used to hide/show the gridlines
Use the markers to determine the differences in the horizontal or vertical directions. To do
this, place the marker on the start point and press <Fix V mark> or <Fix T mark>. The differ-
ence between the starting point and the current marker position is now displayed in the
status bar. The softkey labels will change to <Free V mark>or <Free T mark>„.
This function opens another menu level offering softkeys for hiding / unhiding the diagrams.
If a softkey is displayed on a black background, the diagrams are displayed for the selected
trace channel.
Use this function to zoom in / zoom out the time basis.
Use this function to increase / reduce the resolution (amplitude).
Use these softkeys to define the step sizes of the markers.
Figure 5-32
The markers are moved using the cursor keys at a step size of one increment. larger step
sizes can be set using the input fields. The value specifies how many grid units the marker
must be moved per SHIFT + cursor movement. When a marker reaches the margin of the
diagram, the grid automatically appears in the horizontal or vertical direction.
Use this softkey to save or load trace data.
Grinding
Programming and Operating manual, 06/2006, 6FC5398-4CP10-0BA0
Marker steps
Operating areas and operating modes
5.5 System operating area
5-33