Bedienungsanleitung Allen-Heath ML-5000 (Seite 37 von 60) (Englisch)

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ML5000 User Guide 37

J7 SAFE / EDIT. This green LED has a different

function according to console mode:

Normal The LED lights when the matrix has been

made safe from the snapshot and MIDI automation.

Solo-in-Place The LED lights when the matrix has

been made safe from solo-in-place.

Edit Safes Indicates that the matrix is safe from

the automation when entered from normal mode, or

safe from solo-in-place when entered from SIP

mode.

Edit Groups The LED lights to indicate that the

matrix is assigned to the mute group.

Preview Snapshots The LED lights to indicate

that the matrix is muted in the snapshot memory

being previewed.

J8 AFL. Press this switch to listen to the matrix

signal in the headphones or engineers monitor

without affecting the main outputs. The signal is

monitored post-level, pre-mute so that it can be

checked while the output is muted.

The ML5000 intelligent P/AFL system provides the

following operating capabilities:

Mono or stereo AFL. Press a single AFL switch

to listen to that matrix as a mono signal fed to both

left and right channels of the headphones and local

monitor. Press two related AFL switches together

to listen to a related pair in stereo, ideal when

checking stereo sends. The odd number master is

fed to the left channel, even to right.

Latching or momentary action. The switch

provides latching or momentary action depending

on how long it is held down. Press and hold for

longer than 1 second for momentary action.

AFL override monitor. Pressing any master AFL

automatically overrides the currently selected

monitor source. Releasing AFL restores that

selection.

PAFL override AFL. Pressing any channel PAFL

overrides the current AFL selection. Releasing

PAFL restores AFL.

AFL cancel PAFL. Pressing an AFL while one or

more PAFL is selected cancels that PAFL selection

and selects the AFL.

Auto cancel or Add mode. The master section

ADD MODE switch P1 determines if pressing an

AFL cancels or adds to any previous selection.

Clear all. Pressing the master section CLEAR ALL

switch P3 turns off any PAFL / AFL switches

selected and restores the monitor source.

Using the Matrix

The matrix provides 8 additional console outputs. It

is a ‘mixer within a mixer’ taking its source from the

groups and main mix. It can be used to provide

duplicate main outputs or to create new mixes from

the main outputs. The possibilities are endless. A

few applications are discussed below:

Distributed Speaker Systems. The traditional

application for the matrix is to feed a multi-speaker

system such as that found in theatre sound

reinforcement. Use the console L,R and C outputs

to feed the main front speakers typically hung

around the proscenium arch. Use the matrix to

provide independent mixes to the under-balcony,

centre, side and rear fill speakers.

The fill speakers should be delayed to acoustically

align the signal with the stage so keeping the

listener focussed on the source of the sound. They

would also be equalised to aid intelligibility without

distracting the listener from the source. Do this by

patching the delay processors and equalisers into

the matrix inserts. The effect of these processors

can be checked using AFL. You may wish to send

only certain groups of sound to the fill speakers.

Use the grp/aux 1-8 controls J1 to create the

required balance, for example just the vocal groups

to improve speech intelligibility. You could add in a

small amount of the main mix with the LRC controls

J2 using equal amounts of L and R to create a

mono mix.

Recording and Broadcast Feeds. Use the matrix

to create feeds in mono, stereo or both. It may not

be good enough to simply tap off the main console

mix, especially in smaller venues where the

acoustic output from the band back line or orchestra

contributes to the front-of-house sound. Here, the

acoustically strong sounds such as drums, bass

and guitar may be low in the front-of-house mix.

You can compensate for this in the recording using

the matrix. Start with the main LRC mix then add

the groups to boost selected sounds. You can also

add in an external source as may be required for

the recording only using EXT IN J3 .

Stereo from LCR. The matrix also lets you create

stereo feeds from a 3 output LCR mix by adding C

into both channels. Use one matrix with L+C

routed, the other with R+C to feed the left and right

recording channels.

Managing the Matrix. Check the matrix mix using

AFL. Press the related pair together to listen in

stereo if you are using two matrix outputs as a

stereo feed. You can program a mute group to

mute all related matrix outputs with a single button,

for example several feeding a multi-speaker

system. Use TB to route talkback or the tone/noise

generator to the matrix to test speakers and feeds.

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Allen-Heath ML-5000 Seite 37

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