Crestron
e-Schedule
Programmer’s
Guide
The largest destination defined by e-Schedule is a
location
(i.e., Law School
or Business School), a broad area that usually denotes an entire building or a
large section of a building. A location is divided into
sublocations
, which are
simply rooms. Various rooms from the same or different locations can be
organized into
groups
. Rooms can also be assigned to one or more groups,
(i.e.,
All First Year Classes
or
All 8:00 a.m.Classes
).
As with the head end, a room must be controlled by a Crestron control
system that supports Ethernet communication such as the CNMSX, or more
typically the CEN-TVAV. Crestron supports room processing for the CN-
TVAV as well, using an Ethernet-enabled control system as a “bridge” (see
section titled
e-Schedule Interface to Control Systems
). Room controllers are
referred to as
set-top
boxes.
Most systems include local room control of head end sources via Crestron
touchpanels and/or real-time Web browser pages. End users usually control
television settings such as volume, changing channels and turning power on
and off, although e-Schedule supports automatic control of these settings as
well. The Crestron CNIRHT-MM (445 KHz) transmitter can also be used for
real-time control of sources and TV.
Events
The e-Schedule interface consists of various Web pages that the user
navigates in order to schedule
events
, which are divided into two types:
media events
and
global events
.
To schedule a media event, the user requests up to six media titles, as well as
start and end times and room destinations. In addition, actions called
signals
that occur automatically can be scheduled at the beginning and/or end of an
event. For example, start signals might include dimming the lights and
lowering a video screen, while end signals
might rewind a VCR tape and
raise the blinds.
After the scheduling software validates the request, it reserves the sources
and media titles for use during the scheduled time. The user who schedules
an event can then control it locally or from a Web browser while the event is
in progress. They can also edit or delete the event using the Web-based
interface.
When scheduling a media event for a group, the first room that the user
selects will be designated as the “controlling room” that sends transport
commands to the head end sources. Only the controlling room can
communicate with the head end, and any action that is initiated in the
controlling room will also take place in the other “eavesdropping” rooms that
make up the group.
Global events differ from media events in that they
don’t
involve any source
devices, user-specified locations, or end times. Some common examples of
global events are turning lights on or off in a location, activating an alarm
system, or adjusting the setting on a thermostat. Global events can be
scheduled to coincide with media events or they can occur independently.
Programmer’s Guide
e-Schedule – DOC. 5919
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