Dsd Displays; Display Selection - Control Data Cyber 170 Series Operator's Manual

DSD DISPLAYS
4
The operator and the system communicate through the console keyboard and one or more
console display screens. The system provides information about job and system status
through displays on the console screen(s). Data entered from the keyboard is also displayed.
A permanent record, or system dayfile, of all. system! console communication is retained
by the system and may be printed at operator request.
The two major display programs are system display, controlled by the DSD program, and
control point job display, controlled by the DIS program (refer to section 8). The display
console is controlled by DSD, which permanently resides in peripheral processor 1. The
primary functions of DSD are to maintain a current display of system status and to process
keyboard entries from the operator. At the console keyboard, the operator may ass ign
equipment, exercise control over job scheduling and execution, initi"ate utility programs,
and ·select displays. The CDC CYBER 170 Series console keyboard conta ins a
PRESENTATION CONTROL switch 'lIrhich allows the operator to display a left screen
display only, a right screen display only, or both the left and right screen displays
on a split screen. Refer to section
3
for a description of the PRESENTATION
CONTROL switch.
DISPLAY SELECTION
Any of the DSD displays can be selected by the console commandt:
xy.
@)
where x and y represent the letter designation of the displays; x appears on the left screen
arid y appears on the right. If x and yare identical. both screens display the same infor-
mation. The displays available to the operator are:
Letter
Designation
A
B
C,D
E
H
I
Display
Dayfilet
Job status
Central memory
Equipment status
Central memory
File Name Table
(FNT)
BATCHIO status
Description
Chronological history of system operations
Current status of all jobs assigned to con-
trol points
Contents of
32
central memory words
(four selectable 8-word groups) in five
columns of four octal digits with display
code equivalents
Status of peripheral devices
Contents of
32
central memory words
(four selectable 8-word groups) in· four
columns of five octal digits with display
code equivalents
.
List of FNT entries for all active files in
the system
Status of central site unit record devices
t
This display is control-point oriented. Paging forward and backward through the display
for each control point is achieved with the
+ and - keys, respectively. The number of the
control point also appears at the top next to the letter designator (for example. A 5).
60435600 A
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