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CHAPTER 4
9. Zoom Functions
• The ZOOM menu contains instructions that enable the changing of the display range
of the graph screen.
• To use the zoom function, press
.
[A ZOOM] – To change the display range without
numeric input such as range designa-
tion.
[B FACTOR] – To change display range by inputting
zoom factors for X and Y axes.
[C POWER], – For automatic optimum screen settings for graphing powers, trigono
[D EXP], metric functions and hyperbolic functions.
[E TRIG] ,
[F HYP]
[G STO] – To store zoom settings (window settings) in memory.
[H RCL] – To recall stored window data and to return to the display that was
shown before zooming was activated.
• A sub-menu appears on the right half of the display for each of menu items A to H.
• The sub-menu items have the following functions.
[A ZOOM]
[1 Auto] — To set to the automatic scale
mode. (Matches Ymin-Ymax
relation to Xmin-Xmax relation.)
[2 Box] — To enlarge a section specified by
the rectangular box to a full-
screen display
[3 In] — To enlarge a graph according to
the X and Y zoom factors set by
[B FACTOR].
[4 Out ]— To reduce the size of a graph
according to the X and Y zoom
factors set by [B FACTOR].
When moving the cursor pointer
before displaying “In” and “Out”
described above, enlargement
and reduction is executed so that
the cursor pointer is the center of
the screen.
When [Auto] is selected in the graph display
mode, a graph is automatically re-drawn
according to the new window information.
When [Box] is selected, the display returns to
the graph screen. When the upper left corner
of the rectangular box is specified and then
the lower right corner is specified, a new
display area is set.
When [In] is selected in the graph display
mode, a graph is re-drawn according to the
new window information (factor data).
When [Out] is selected in the graph display
mode, a graph is re-drawn according to the
new window information (factor data).
EL-9650-(04)En (079-134) 8/7/00, 9:08 PM100
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