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DESCRIPTION
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one amplifier with 6 output zones with independent volume control, pre-recorded message playback and
USB/SD/MP3 player/recorder with digital FM tuner.
Possibility of paging and pre-recorded message playback in zones through microphone with zone selector
MZ-648.
Operates in single or dual mode: in single mode, when paging in one or several zones music playback will
be interrupted in the rest of the zones; In dual mode an external amplifier is necessary to play the
announcements and background music is not interrupted.
Suitable for commercial installations with several loudspeaker zones with the need for pre-recorded message
playback and paging in different zones.
CONTROLS AND FUNCTIONS
USB/SD/MP3 – FM MODULE
1.- USB: USB storage device connection port.
2.- Information display. In MP3 (USB/SD) player with FM tuner mode, it indicates the selected audio source,
the playback mode, the volume or the track number. In radio mode, it displays the current station and
the volume.
3.- SD: SD memory card connection slot.
4.- LEVEL: allows the recording volume to be selected.
5.- PEAK: recorded signal peak indicator. If it lights up, reduce the level with the LEVEL control to avoid
distortion.
6.- 7 8: in MP3 (USB/SD) playback mode, a short press of these buttons allows moving to the
previous/next track. In radio mode, a short press of these buttons allows the current tuning to be
increased or decreased by 0.1 MHz. A long press allows moving to the next tuned station.
7.- VOL+/VOL-: a short press of these buttons allows the volume to be increased or decreased.
8.- MODE: allows the audio source to be selected between the MP3 (USB/SD) storage device or the FM
radio tuner. A long press of this button allows access to the input priority configuration menu. (See input
priority level modification section for more details).
9.- REC (MEMORY): pressing this button selects the recording media between USB or SD. With a second
press recording starts in the currently selected device. A long press displays the list of stored stations.
10.- 12 (M1): in MP3 (USB/SD) playback mode, a short press allows playback to be started or paused.
In radio mode, a short press allows the station stored in position M1 to be selected. A long press stores
the current station in the position M1 and then displays the list of stored stations.
11.- RPT (M2): in MP3 (USB/SD) playback mode it allows the playback mode to be changed among: repeat
files, repeat a track, random playback, random file playback and repeat all tracks. In radio mode, a short
press allows the station stored in position M3 to be selected. A long press stores the current station in
the position M2 and then displays the list of stored stations.