The flashing "-" is called a "cursor". Characters typed on the keyboard are
displayed where the cursor is located. Let's try typing some characters (they
can be any characters). ASDFGHE ......
Did you notice that the
"�"
turned into
"-"
? ">"
indicates the beginning
of a line, and is called a "prompt".
Next, depress the
RETU
key. It is located at the lower right corner of the
keyboard. This is a very important key. Before learning about this key, let's
see what happend when you depress this key. (If you depress a wrong key by
mistake, please refer to
"1.4.2
Making corrections".)
ASDFGHJ
SN Error
2
... is displayed. The
RETURN
key is used to give a command to the computer
or to indicate the end of a line when creating a program. In the above example,
when you depressed the
RETURN
key, you commanded the computer to
"ASDFGJ." This command is meaningless to the
X-07.
Therefore, it replied
"SN Error (syntax error)." In other words, the
X-07
is saying, "Please give
me a proper command that I can understand."
We will learn about the
RETURN
key and the use of commands, in detail, in
the next section. Next, depress the OFF key. A "pip" is heard, the power is
turned off, and the characters are erased from the LCD.
The power ON/BREAK and OFF keys of the
X-07
have a sligtly different pur
pose than the power switches we generally know. Turning OFF the power does
not cut the power to all the circuits of the
X-07.
Only the power to the LCD
and the parts which perform calculations (these parts consume much power) is
cut. Memory, the timer and the parts which control the keyboard continue to
function.
Moreover, if you forget to turn OFF the power, don't worry. When the
prompt is displayed on the LCD, and the keyboard is not used for more than
15
minutes, the power is automatically turned OFF.
11
Summary of Contents for X-07
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Page 8: ...1 Learning how to operate the X 07 2 Special functions and peripheral devices 3 Reference m ...
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Page 145: ...136 Instructions Others BEEP MOTOR REM Functions ABS FIX HEX INT SGN START TAB ...
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