Speaker presets are files in *.SPF format which are prepared and provided by AUDAC and containing all param-
eters for optimal performance and protection for the corresponding loudspeaker. The *.SPF file will be loaded to
the channel (Amplifier channel or Line out) which was active in the main menu most recently. Once the *.SPF file
is loaded succesfully, the message ‘Settings loaded’ will be displayed on the menu.
System backups are files in (*.SET) format which can be created by the user. When a system backup is made using
the ‘save’ action as explained above, it will be saved as a (*.SET) file which can be re-loaded in similar way as a
*.SPF file. It will be immediately loaded without requiring channel selection where it should apply to.
Admin key: A USB key offering administrator access to the MFA amplifier can be created when selecting the ‘Admin
key’ function (in case the USB is connected to the MFA, not the module). A file containing the configured password
information will be stored to the USB, providing instant access to the functions when this USB is inserted. This will
allow instant and easy access in any circumstance, without the need for manually entering the password to the
device.
Time server: When a module is installed which requires time server synchronisation (e.g. FMP40 voice file player for
announcements at timed moments) the MFA requires synchronization from a time server. In the default configuration,
an internet timeserver is being used which always guarantees an accurate synchronization of the system according
to GMT. Depending of the time zone and/or location, the GMT offset settings have to be made accordingly.
In case your system is restricted from access to internet, the MFA timeserver settings should be configured to look
for a local time server in stead of the internet timeserver. To do this the internet timeserver setting should be turned
“Off” and the IP of the local timeserver should be configured manually. The procedure of entering a timeserver
IP is identical to standard IP settings, which are described in the ‘IP settings’ chapter of this instruction manual.
Front control > Settings > General settings > Update:
The MFA is supporting OTA (over-the-air) updates, meaning that the device automatically searches for updates
which are distributed from the Audac servers over the internet to the amplifier. If any update becomes available, it
will be automatically downloaded to the device and the firmware will be updated when approved and confirmed by
the user (depending on the configured settings).
Updates are made and distributed frequently. Firmware updates usually include bugfixes, new and improved features
and compatibility improvements with other Audac devices. So as to always have the best experience it is important
that the system is kept up to date.
The update menu contains various configurable settings:
Check for update: This setting is default set to ‘On’, meaning that the device will search for available firmware
updates over the internet, and in case any update becomes available it will automatically be downloaded to the
system.
Confirm before update: This setting is default set to ‘On’, meaning that if any update is available and downloaded,
it will indicate a message on the display and will wait for the user to confirm before starting the update. Custom
made settings and configurations will be recovered once the updating has been done, however short interruptions
in audio playback are possible when a firmware update is in progress, so updates are recommended to be made
after business hours. When confirm before update is switched to ‘Off’, updating will start when the update is
downloaded, not requiring any manual intervention but with the risk of having short interruptions in audio playback
at inconvenient moments.
Manual check for update: When selected, the MFA will connect to the update server and check whether there is
any update version of the firmware available for download.
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