User`s guide

Scheduler 33

Parameter 1 for the event – The command string you wish to issue

Repeat Number: repeat after this number of periods has expired

Repeat Period: Time to wait between executions, used with Repeat

Number and Set when necessary

Repeat Set: special case usage described below

;

Although not a field, this marks a comment

Now that we have seen a table of the event fields, let’s look at the event in

Example 1: Here are its fields:

T:14:46 D:01/1/2005 E:COMMAND 1:1PL

Start Time: 2:46pm in the afternoon (14:46 military)

Start Date: January 1

2005.

Event: COMMAND – Specifies that you wish to send a command to the

DVMHD.

Field 1: The command string you wish to send – Play Video #1 – 1PL

Now let’s finish up with the remaining fields

Example 2: (New fields are in bold. kept on one line for clarity.)

T:14:46 D:01/1/2005 R:30 P:minute A:1.3.05 I:3:00 E:COMMAND 1:1PL ;Repeats a while

We’ve now added:

Repeat Number: 30

Repeat Period: minute

Ending Time: 3am in the morning (3:00 military)

Ending Date: January 3

2005

The Repeat Number acts as a multiplier of the Repeat Period. They should

be read in conjunction like this: “Repeat this event every

30 minutes”.

The only type of field that has not been discussed yet is a set.

Example 3:

T:1:00 D:11-28-02 R:4 P:Thursday S:November E: COMMAND 1:"Thanksgiving.mpg"PL

A set defines a certain range of valid repeat periods. In this example, only the

Thursdays in November are eligible for this event. When a set is used in an

event, the Repeat Number takes on a different meaning. Instead of being a

multiplier of the Repeat Period, it and the Repeat Period become an

index of

the set. These three fields should be read in conjunction like this: “Repeat this

event every 4

Thursday in November.”

Fields in Detail

There is a summarized table in the File Format/Tutorial section that lists all the

fields for your reference. Since the Event, and event Parameter fields (E:, 1:,

2:, 3:, and 4: ) have been discussed in detail in the Events in Detail section,

we’ll discuss the rest of the fields here.