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Front Panel Operation
where; AXX is the software revision of the main CPU.
AYY is the software revision of the display
CPU.
When finished, press ENTER or EXIT to return to the
GENERAL MENU.
STATUS MESSAGES This selection is used to enable or
disable the status message mode. When enabled, status
messages will be displayed to identify specific opera-
tions that are performed. Place the cursor on STATUS-
MESSAGES and press ENTER. The following message
will be displayed:
STATUS MESSAGES
OFF ON
Place the cursor on the desired state (on or off) and
press ENTER. The instrument will return to the GEN-
ERAL MENU.
BREAK-BEFORE-MAKE This selection is used to enable
or disable Break-Before-Make. When enabled, the pre-
vious channel will open before the next channel closes
during a scan. This ensures that two scanned channels
will not be closed at the same time. When recalling a
channel pattern from memory, all other channels will
open before the channels in the pattern close.
When disabled, break-before-make is no longer en-
sured. During a scan, this could result in two channels
closed momentarily at the same time. When recalling a
channel pattern, the channels in the pattern could close
before the previous channels open.
Break-Before-Make incorporates a delay to make sure
that a channel(s) opens before the nect channel(s) clos-
es. If Break-Before-Make is not necessary for your test
system, you can increase scanning speed by disabling
it.
Place the curor on BREAK-BEFORE-MAKE and press
ENTER to display the following selections:
BREAK BEFORE MAKE
ON OFF
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Cursor position indicates the current state of Break-Be-
fore-Make.
Place the cursor on the desired state and press ENTER.
The instrument will retrun to the GENERAL MENU.
NOTE
When finsihed with the GENERAL
MENU, use EXIT to back out of the
menu structure.
4.7
CARD CONFIG
Various operations to configure the slots of the main-
frame are performed from the CARD CONFIG MENU.
The menu structure is shown and summarized in Table
4-4.
General rules to use CARD CONFIG MENU:
1. The CARD CONFIG MENU is displayed by plac-
ing the instrument in the channel status display
state, and then pressing the CARD CONFIGURA-
TION key. If already in the menu structure, the
CARD CONFIG MENU can be displayed by press-
ing and releasing the EXIT key until the CARD
CONFIG MENU selections are displayed (see next
rule). The CARD CONFIG MENU selections are
shown as follows:
CARD CONFIG MENU
TYPE #-OF-POLES CARD-PAIR
DELAY READ-I/O-CARD
2. The EXIT key causes the display to back up to the
previous menu level. Also, keyed-in parameter
changes are ignored if an EXIT is performed. When
the CARD CONFIG MENU is displayed, pressing
EXIT will disable card configuration.
3. The position of the cursor is denoted by the blink-
ing menu selection or parameter. The cursor is
moved from one item to the next using the cursor
keys (
and
).
4. A displayed arrow (
is more information or additional menu items to
select from. When "
cursor key to display the additional message(s);
or
) indicates that there
" is displayed, use the
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