The MLC8A accepts, 75 Ohm, unbalanced, or 110 Ohm, balanced AES audio signals.
The operator must switch the input selector between the balanced and unbalanced AES
signals. The cluster of four LED illuminated push buttons labelled (PRESET) 1, 2,
(MODE) 5.1 and ST in conjunction with the pushpush control in the MASTER level
control are used to make the input source selection. To make the selection,
simultaneously depress PRESET 1, 2 and the MASTER knob until both PRESET 1 and
2 LEDs illuminate and release the buttons. Either the 5.1 or ST button will be
illuminated. 5.1 represents 75 Ohms while ST represents 110 Ohms. Operating these
buttons will toggle between the 75 and 110 Ohm AES sources connected to the
MLC8A.
NOTE: The selection function will time out and the buttons will revert back to their
normalfunction.
The eight rotary level controls labelled L, R, C, LFE, LS, RS, L and Rare used to adjust
the level of the individual signals being fed to the output of the MLC8A. These rotary
controls are equipped with concentric array of LED indicators that show the
proportionate value of the signal. Each rotary control incorporates a pushpush switch
that instantly mutes that signal. When muted the concentric LEDs extinguish except for
the highest level LED which flashes to indicate the mute condition. The MASTER level
control adjusts overall level of the proportional mix set by the eight individual level
controls. The MASTER level control also incorporates a pushpush switch. Activating
thisswitchmutesalleightchannels.
It is possible to store two proportionate mixes in the MLC8A. Once the desired mix is set
push and hold a PRESET button until the concentric level indicator LEDs flicker,
(approximately five seconds) and the mix will be stored under that button. To recall a
setuppresstheappropriatePRESETtheconcentriclevelindicatorLEDsflicker.
The 5.1 and ST MODE buttons allow toggling between full 5.1 and stereo only
monitoring. When the ST MODE button is pushed inputs one through six (AES 1, 2 and
3) are disconnected the seventh and eighth channels (AES4) are switched to the inputs
1 and 2 controls. This allows the operator to listen to the ST L and ST R on the L and R
monitorspeakers.IntheSTmodetheC,LFE,LSandRScontrolsaredisabled.
MLC8RRemotePanel
The MLC8R Remote Panel permits secondary control of the MLC8A from a remote
location. Controls and displays on the MLC8R mimic those on the main unit and status
changescanbeeffectedfromeitherlocation.
The MLC8R mounts in a standard 19 inch rack and occupies one rack unit of space.
The unit is equipped with a single DB 9(M) connector for interfacing to the main MLC8A
unit.
