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Configuring the Terminal
INTRODUCTION
3
Configuration parameters may be changed from the keyboard via configuration menus or, in
some cases, programmatically, by escape sequences.
A menu is a list ofconfiguration parameters which are displayed on the screen. Each parameter
has an associated space for a value which you select. Many of the parameters have a system-
defined list of values. For others, you must enter the value from the keyboard. For parameters
with system-defined values, two function key labels are displayed with the menu t6 enable you
to scroll forward
NEXT CHOICE
or backward
PREVIOUS CHOICE
through the list of values.
NONVOLATILE MEMORY
The terminal contains a battery-powered portion of memory, called nonvolatile memory, in
which a set of values is preserved for all configuration menus and the User Key menu when
power to the terminal is shut off. The set stored is the one last stored by the user. If none has
been stored by the user, the default set is stored. When a menu is displayed, the values
currently active are displayed. When the terminal is powered up, the set of values stored in
nonvolatile memory becomes the active set.
CONFIGURATION FROM THE KEYBOARD
The sequence for changing a set of configuration values is to display the menu, make the
desired changes, and store the values in nonvolatile memory. The act of storing the
value~
in
nonvolatile memory also makes them the active set.
Some of the content of these menus may also be altered from a program executing in a host
computer through the use of escape sequences. The changes made by the host computer are
temporary and will be lost through hard reset or power down. That is, the changes are not saved
in nonvolatile memory.
3-1
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