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Glossary
A
acknowledge.
A serial port command or a dry contact input which will cause a message file of priority level 4 or 5 that is
continuously activated to stop repeating after having played at least once.
activation. An input that causes a file to be selected and processed.
AVL-1. Voicelink record/playback series described in this manual.
AVL-2. Voicelink playback series described in separate manual. A AVL-1 model is needed to program AVL-2 models.
C
channel. An audio output path through which the AVL-1 transmits message files to the audio system. Each AVL-1 can have up to
four channels.
D
DV-EM. Digital Voice Expansion Module, 32 file input selections per module.
E
EPROM. Erasable Programmable Read Only Memory. Non-volatile semiconductor memory used to store AVL-1 program.
F
file. AVL-1 files are created either by storing audio directly into a selected file number or by storing the numbers of other files that
contain audio into the selected file number. Every file is assigned an output channel and a priority level. Up to 999 files can be
created in the AVL-1 model. A file becomes a message file if it is selected to be played by a contact closure or by a command
through the serial port. Some files are never intended to become message files; they merely contain words or phrases that can be
strung together to create new files that will become message files. The new files will be assigned channel and priority designations
that supersede previous channel and priority designations for the individual files in the new string.
M
message. An audio output generated and played through an assigned channel when a file number is selected by a contact closure
or command on the serial port.
P
priority. The order by which files are designated to be played. All files are assigned a priority from 1 to 5, with 1 as the highest
priority.
PSRAM. Pseudo Static Random Access Memory. Volatile semiconductor memory used to store AVL-1 messages.
Q
queue. A sequence of message files that have been selected to be played through a particular channel. Each file is positioned
according to its pre-assigned priority. Equal priority files are positioned in the order they were selected. A file cannot be included in
this queue more than once. However, after a file has completed playing, it can be re-added to the queue.
R
reset. A serial port command or a dry contact input which will cause the file presently playing to stop immediately and remove all
files from the queue.
S
string. A combination of file numbers (with optional delay or repeat commands) stored in a file and arranged to form a desired
message.
AVL-1 Manual
Rev. H August 2000
Sheet 41 of 41
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