2.1 Operating principles
Metrohm 838 Advanced Sample Processor, Operation 11
2.1.4 Instrument dialog
The instrument dialog of the Advanced Sample Processors is arranged
in menu levels in which the following rules apply:
Main menu
The <CONFIG>, <PARAM> and <USER METHOD> keys of the
Sample Processor open a main menu whose thematically arranged
submenus are accessed by repeatedly pressing this key or with <
>.
The name of the main menu appears in the first line.
Submenu
Each submenu has its own title which is indicated by
">" and appears
in the lower line of the display. From the title you can use <ENTER> to
access the individual questions with which the most important instru-
ment settings can be altered. The first line of the display always shows
the name of the active submenu.
Navigation in the menus is by the cursor keys; with <HOME> you can
access the first line of the menu and with <END> the last one.
<QUIT> exits the active menu and accesses either the next superior
menu or the normal operating condition.
<ENTER> always opens a submenu or confirms the data input of the
lowest menu level.
Input lines
For input lines without
":" the values can be entered by the numerical
keys. The set value is accepted with <ENTER> and the next line ap-
pears.
For input lines with
":" predefined values can be selected with the
<SELECT> key. <ENTER> accepts the set value and the next line
appears.
Depending on the parameter, <CLEAR> is used to set the initial value.
The <CLEAR> key is also used to reject incorrectly entered values.
<QUIT> exits the questions and returns to the submenu.
The following schematic diagram shows the instrument dialog ar-
rangement.
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