2.1 Operating principles
14 Metrohm 838 Advanced Sample Processor, Operation
2.1.6 Text input
The text editor can be used wherever provision is made for the entry of
a text.
Numbers can be entered directly via the keypad.
.
<
PRINT
>
*
ENDSEQ
The "<" or ">" keys open the text editor. With "<" an existing character
string is deleted and the text cursor moves to the left-hand end of the
input field. With ">" an existing character string is retained, the text cur-
sor moves to the last character of the existing text.
A character string is displayed that consists of all the characters that
can be entered in alphabetic order. The currently selected character
always blinks (text cursor).
Character selection
The "<" and ">" keys move the character string made up of all the se-
lectable characters (upper and lower case letters, numbers and special
characters, arranged alphabetically) in the selected direction past the
text cursor. Pressing either of these keys once moves the character
string in the corresponding direction by one position. Rapid character
string movement is achieved by keeping the key pressed down.
ENTE R
Confirming character selection
The <ENTER> key appends the character currently under the text
cursor to the existing text line. When the complete width of the text in-
put field has been filled the text input mode is exited and the text line is
accepted with <ENTER>.
RESET
CLEA R
Delete character
The <CLEAR> key deletes the last character of an existing text line.
The text cursor automatically moves one character to the left.
QUIT
Ending text input
<QUIT> exits the text input mode. The displayed text line can then be
accepted with <ENTER> or rejected by pressing <QUIT> a second
time.
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