Cloud LM-2 Series Installation Guide download pdf (Page 7)

LM-2 Installation Guide v1.0 7

Conguring the Facility Port

The mic and line inputs on the LM-2 module will be available in the Zone as soon as the module is connected to the host unit’s

Facility Port for that Zone. The volume of the mic and line inputs will be determined solely by the level controls on the LM-2

faceplate and unaffected by any of the host unit’s front panel controls.

In order for the remote control section (background music source and level controls to operate correctly), the host unit must

be set for remote control operation.

MK3 and Z8MK3:

Set the MUSIC CONTROL button on the host unit’s rear panel to REMOTE (in) for the Zone in use. The button is adjacent

to the REMOTE SOURCE + LEVEL connector immediately above the FACILITY PORT. This will disable the host unit’s front

panel music source and level controls for the Zone.

Sometimes it is desirable to permit remote control of music level but keep music source selectable only on the host unit. In this

case, internal jumper J1 on the sub-board for the Zone in use should be moved from ‘SW’ to ‘FR’. This will render the LM-2’s

music source switch inoperative, and return source selection to the front panel. See the Z4

MK3/Z8MK3 Installation and User

Guide for full details and jumper locations.

46-120 and 46-120

MEDIA:

These units only have a single Facility Port, for Zone 1. Thus the LM-2 can only be installed in Zone 1. (If the LM-2 needs to be

added to a different Zone in an existing system, this restriction may be simply overcome by swapping outputs and renaming the

Zones.)

Set the two REMOTE MUSIC CONTROL buttons (LEV and SRC) for ZONE 1 on the rear panel to REMOTE (in). The

buttons are immediately below the 4 x 3-pin REMOTE CONTROL PANEL CONNECTORS. This will disable the host unit’s

front panel music source and level controls for Zone 1.

Sometimes it is desirable to permit remote control of music level but keep music source selectable only on the host unit. In

this case, set the SRC button for ZONE 1 back to FRONT PANEL (out). This will render the LM-2’s music source switch

inoperative, and return source selection to the front panel. See the 46-120/46-120

MEDIA’s Installation and User Guide for full

details and jumper locations.

Connecting multiple LM-2s

Two or more LM-2s may be installed in the same Zone by employing the LINK connector on the lower rear PCB. The primary

purpose of this feature is so that microphones and music sources may be connected into the audio system at different locations

within a single Zone (typically one of large area or complex layout).

LINK

OUTPUT OUTPUT

LM-2 (UK version illustrated)

Connect to

OUTPUT socket

Connect to

OUTPUT socket

Connect to

FACILITY PORT

Screened

Cat 5 cable

Screened

Cat 5 cable

Connect to

LINK socket

Local inputs

When modules are “daisy-chained” together in this way, the audio signals from each module are summed together to produce

a single mono feed to the host unit. Thus two (or more) microphones may be connected within a zone and either or both used

as wished, with individual mic level controls at their respective modules.

An internal gating circuit on each module automatically “disconnects” any chained modules which are not in use, to minimise

noise contribution. Should this the gate function not be required for any reason, it may be disabled by linking two solder pads

on the lower PCB - see page 8. (Remove the lower PCB from the faceplate before attempting to make this link.)

This also applies to multiple music sources simultaneously connected (though the possibility of resulting cacophony makes this

a less likely scenario!)

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Cloud LM-2 Series Installation Guide Page 7

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