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15
SEQUENCE INFORMATION
15.1 General
Sequences are lists of video switching instructions to be executed by
the system. A maximum of 60 sequences containing a total of up to
3000 steps can be stored in the Allegiant system for rapid
execution. A sequence can comprise any number of system cameras,
in any order, and even include multiple monitor numbers. A Salvo
sequence can be entered which will switch any number of desired
cameras as a synchronized group to a bank of monitors.
In the sequence programming mode (discussed in the next
section), some of the keyboard controls are used for
programming. Note that the keyboard button designations of
END, DELETE, IN, OUT, and EXECUTE are not applicable
to LTC 8554/00 and LTC 8555/00 keyboards. The various keys
and their functions are noted as follows:
1.
The joystick UP and DOWN functions are used to move
the cell cursor up and down the program spreadsheet steps.
The joystick LEFT and RIGHT functions move the cell
cursor left and right. When at the top, bottom, right or left
edge, the cursor does not wrap around. Note that the
joystick cannot be used to 'add' a new step.
2.
The PREVIOUS and NEXT keys are used to move up and
down steps just like the joystick with the following
additional features:
If you push NEXT at the bottom of the sequence program, a
new step will be created at the end of the sequence. Also,
NEXT (and PREVIOUS) will always put the cursor on the
camera number program field.
3.
Use the numeric data keypad to enter numeric data. Entries
are terminated with the ENTER button and may be cleared
with CLEAR and reentered before pushing ENTER. All cell
entries must be confirmed by pushing ENTER or by moving
the cursor with the joystick or the PREVIOUS or NEXT
button. If one of these actions is not taken, the cell's contents
may be lost.
4.
As mentioned above, the program spreadsheet may be
extended by going to the last cell and pressing NEXT. In
addition, it is possible to add a step in the middle of the
program by pressing IN, which opens up a new cell at the
current step location. Use OUT to delete the current step
from the spreadsheet.
5.
The LOCK/DELETE key will erase all program steps
beyond the current one. You may also completely remove a
sequence from memory when you are on step 1 by pressing
LOCK/DELETE, then OFF/OUT. In addition to deleting
the sequence, the system will automatically go back to the
entrance to the program mode. You may now enter a
sequence number and begin again or you may press CLEAR
to exit the program mode altogether.
6.
You may finish programming by pushing the
PROGRAM/END or RUN/EXECUTE keys. Using
RUN/EXECUTE will automatically load the sequence
program and begin running it.
15.1.1 Format of Sample Sequence
The simplest way to think of the program information is in terms
of a spreadsheet type table, which consists of four columns of
information.
The table shown below is an example of a typical sequence.
Step
Cam No.
1
10
2
8
3
6
4
20
5
1
The length of any one sequence spreadsheet may vary from a few
steps to several hundred if desired, as long as the total length of
the 60 combined spreadsheets does not exceed 3000 steps. Each
spreadsheet must be assigned a sequence number. When a
sequence is called for use or for editing, the user is essentially
calling up a spreadsheet. Other advanced features allow control
over receiver/driver functions in sequence steps when using the
optional Master Control Software program.
15.1.2 Sample Sequence Description
Once the sequence program mode has been entered, certain fields
of the monitor overlay display will change to a format typical to
the sections shown in bold:
023 S0001 L0005 12:01:01
>C0010<M004 D05 10-20-94
The following is an explanation of the various cells of the
program spreadsheet table:
1.
Step Number
023 S0001 L0005 12:01:01
>C0010<M004 D05 10-20-94
The step number is a non-alterable field. It is only a reference
point for the location in the program spreadsheet. When in
the program mode this number is displayed on the monitor
message line in the form of "Snnnn" where nnnn equals the
number of the step currently being displayed or edited.
2.
Length
023 S0001 L0005 12:01:01
>C0010<M004 D05 10-20-94
The length number is a non-alterable field. It is used only for
indicating the total number of steps of the program
spreadsheet. When in the program mode, this number is
displayed on the monitor message line in the form of
"Lnnnn" where nnnn equals the number of steps.
3.
Camera Number
023 S0001 L0005 12:01:01
>C0010<M004 D05 12-25-88
38
Mon No.
Dwell
4
5
4
5
4
5
4
3
4
HOLD
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