Crestron
e-control Mail SW-MAIL
80
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Appendices
Installation & Reference Guide — Doc. 5798
Enable
Applies to
e-Mailer signal blocks
e-Mailbox signal blocks
scroller signal blocks (“standard” or “custom”)
Description
This signal enables/disables the signal block.
Direction
system-to-server
Type
Digital
Value
Assert to enable the signal block
De-assert to disable the signal block
Expected Reply
None
Comments
Assert: Allocates server resources so server can respond to signals from the signal
block.
Deassert: Deallocates resources associated with the signal block.
The signal block must be enabled prior to use. If not, all other signals will produce
the following error:
Object not loaded.
The only exception to this rule is the
Shortcut
signal which “auto-enables” the
e-mailer signal block for the duration of the signal. (If it was already enabled when
the
Shortcut
signal was issued, it remains enabled after the signal is processed;
otherwise it is disabled.)
Demo 1 depends on this feature.
Two special situations are noted below:
(1) Referenced scrollers are auto-enabled:
When a scroller signal block is referenced* by a another signal block, it is
automatically enabled when the referencing signal block is enabled. Therefore,
the
Enable
signal of such a scroller signal block should not be connected to
anything.
(2) Standard Scrollers’
Enable
signal is non-functional:
In fact, although the
Enable
signal of a Standard Scroller signal block is
defined, it is ignored by the server.
†
The reason the signal is defined even
though it cannot be used is that it can however be used from the
Signal
Analyzer
window (for debugging purposes).
____________________
* Examples of “referenced scrollers” are the optional message and recipient scrollers of an
e-Mailer signal block; or the optional IN box and body text scrollers of an e-Mailbox signal
block.
†
This prevents the scroller from being used for general purposes — for which a database
license is required.
See Also
“Signal Block Enable / Disable” on page 59.
