Single Graph Menu - Ametek 7270 Instruction Manual

Chapter 5, FRONT PANEL OPERATION
stored when data acquisition to the curve buffer is initiated. The possible data types
(outputs) that can be stored to the curve buffer are shown on the upper part of the
screen. Controls allow between one and all of these data types to be selected for
storage, with those that are selected being indicated by being shown in highlighted
text.
MOVE POINTER
This control allows the selection box to be moved to any one of the possible data
types. The , , and cursor-movement keys can be also be used to do this.
ENTER SELECTION / CLEAR SELECTION
If the data type enclosed by a selection box is not selected, then pressing this key
causes it to be selected, as indicated by its being displayed in white text. If it is
already selected, then pressing the key deselects it.
As shown in figure 5-34, when the buffer is used in fast mode, five output values are
stored and there is no provision for changing these.
Pressing the Previous Menu key returns control to the Curve Buffer menu.

5.3.28 Single Graph Menu

When Main Menu 2 is displayed, pressing a key adjacent to the Single Graph item
accesses the Single Graph menu, which is shown in figure 5-36.
Figure 5-36, Single Graph Menu
The Single Graph menu plots the data of one curve stored in the curve buffer. This
allows real-time or post-acquisition display of selected instrument outputs in "strip
chart" format, and has a cursor which allows accurate determination of the output
value at a given sample point.
If there is no data in the curve buffer then the graph will show a straight line
representing zero. If curve storage is already running, or if there is data in the curve
buffer, then a curve will be displayed with the most recent value at the right-hand
side of the screen.
Figure 5-36 shows the layout of the Single Graph menu. The curve is displayed in
the central section of the display, with the keys on either side being used to adjust the
axes and to select the data to be shown, as follows:-
5-45