How It Is Managed By Panelplayer; Preparing The File; Memorising The Files In The Flash Memory; Audio Adjustment Parameters - inout Panelplayer User Manual

Amplified player of audio mp3 with a solid state memory
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4.3 How it is managed by Panelplayer

At the time the device is turned on, or when the flash memory is inserted, Panelplayer will
start to read the main directory of the memory; once it has found the file config.txt, it
interprets the parameters inserted in each line, memorising them permanently in its
internal memory, of a non volatile kind. The parameters therefore stay in memory even
after the device has been turned off. This is why it is not indispensable for the
configuration file to be always present in the flash memory: once all the parameters have
been acquired, this file can also be deleted.
NOTE: If it is necessary to configure various Panelplayers with the same parameters, one
can prepare a single flash memory with the appropriate config.txt file, alternately insert this
memory on all the modules to be configured, then insert the memory with the audio files
only.

4.4 Preparing the file

To create the file, one can use an ordinary text editor (like Windows Notebook). The file
must be saved as a pure text file (.txt). Should other programmes be used (e.g. Microsoft
Word) one must be careful to save the document as "text only": otherwise, control
characters would be inserted which would make it impossible for Panelplayer to interpret
this file.

4.5 Memorising the files in the flash memory

The configuration file and all the MP3 audio files can be memorised in the flash memory
via a special USB reader/writer for PC.

4.6 Audio adjustment parameters

Panelplayer allows for the following audio adjustments:
 Independent adjustments of the MP3 file level, INL/INR music source input and general
amplified/pre-amplified output.
 Adjustment of loudness level.
 Separate adjustment of high and low levels.
 Adjusting the level of the musical background while delivering the spots.
 Activation/deactivation audio amplifier muting in output.
The following tables show the relation between the value set in the configuration file and
the actual value of the audio parameter.
Mnemonic
Description
MP3 decoder output
LMP3
LOUT
Level audio output LINE OUTPUT (value between 0 and 20 in decimal).
LLIN
Input level LINE INPUT (value between 0 and 20 in decimal).
LLI2
Background level LINE INPUT (value between 0 and 20 in decimal).
LLOU
Loudness level (value between 0 and 20 in decimal).
LTRE
High tone level (value between 0 and 20 in decimal).
LBAS
Low tone level (value between 0 and 20 in decimal).
MOMD
Mode output muting deactivation (0=OFF/1=ON ).
Panelplayer User Manual v.1.4
level
(value between 0 and 20 in decimal).
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