Clever Little Box LB-5A, Инструкция по установке и эксплуатации

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Background Music:
The LB-5A has the ability to play background music whenever any
of the audio files in any of the higher groups are not active (playing).
This is because the background music, which is Group 4, has the
lowest priority of any of the groups. Please see the section on File
Grouping and Hierarchy (page 12) for more details.
This facility is not activated by default and requires a contact
closure to be placed across the ‘Enable Music’ terminals on the
main circuit board. This can be achieved by wiring in a suitably
positioned switch, or if the facility is required to operate continually,
a simple shorting link can be placed across the terminals.
If any of the files in the higher groups are activated the background
music will be muted while the file is playing and return when it has
finished.
The audio files (tracks) that are to be used for the background
music must be loaded into a subfolder named ‘Music’ on the
memory stick. This subfolder should be located directly off the
root folder of the stick. Please see the section ‘Loading the audio
files onto the memory stick’ (page 20) for more details.
The audio files themselves can be of any suitable type, the only requirement is that
they are MP3 files (i.e. they have the .mp3 extension). They don’t have to be re-
named or be of any particular size. There is no practical limit to the number of files
you can load, the usual limiting factor is the actual capacity (memory size) of the
memory stick used. The tracks will be played in a random order.
In summary:
• The background music (BGM) facility has to be enabled as described
• It will be overridden by files in higher groups
• The music files must be placed in the ‘Music’ subfolder
• They must be MP3 type files (not .wav, .wma, .flac, etc.)
• They don’t have to be re-named or be of any particular size
• There is no practical limit to the number of files you can load
• They will be played in a random order
‘Enable Music’
Terminals
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Additional Functions:
• Remote Stop:
In certain situations it may be necessary to stop the currently active file from playing,
for example, in canceling an alarm or to allow a higher priority signal to use the audio
system to which the unit is connected.
This can be achieved by means of a simple momentary contact closure (switch)
connected to the ‘Remote Stop’ screw terminals located on the internal board. The
diagram below shows the basic wiring arrangement.
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