Lisa LCD
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network (failure of modem/switch etc.) all can prevent your device from functioning properly. While the
Lisa cannot do much about the internet connection, it will in case of a stream URL that is a playlist (1 or
more streams), fallback to the next stream in the playlist and see whether that is available. In case of a
failing internet connection, that will of course not help.
In a professional environment this is unacceptable. When the device is on, it should play audio. The Lisa
solves this by using the fallback to card feature: When in fallback the Lisa will play audio from the
inserted card. For this to work properly, the stream URL must not be a playlist, but a direct URL to the
stream.
Consider you have a Lisa device with preset 1 being a Pop station while preset 2 being a Lounge station.
Should the device fallback to card, you would normally want that the same genre of music starts playing
from card. The Lisa does not have genre information, so this is arranged differently. For fallback to card,
there is a coupling between the list of stations and fallback playlists. It allows you to couple a matching
fallback playlist to each station. It works as follows:
Playlist one (1.pls) is the fallback playlist for preset 1.
Playlist two (2.pls) is the fallback playlist for preset 2 and so on.
This fallback implementation for both playlist presets and fallback to card is depicted in the figure below.
Suppose the Lisa was playing preset 2, an internet audio stream (say dance music, not a playlist).
When the internet connection is experiencing problems the device will enter the fallback mode. Preset 2
was the last preset that was being played before entering fallback, hence the name Last Played Station
(LPS).