User guide

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Summary of content (8 pages)

PAGE 1
LM-1 Installation & User Guide V 4.0 Cloud Electronics Limited 140 Staniforth Road, Sheffield, S9 3HF England Tel + 44 (0) 114 244 7051 Fax + 44 (0) 114 242 5462 E-mail info@cloud.co.uk Web site http://www.cloud.co.
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LM-1: Installation & User Guide 1 LM-1 Installation & User Guide Contents Section Page 1 Safety Notes .............................................................................2 2 General......................................................................................2 3 LM-1A ........................................................................................2 4 Schematic Block Diagram .......................................................
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2 1 LM-1: Installation & User Guide Safety Notes The Cloud LM-1 remote input panel must be fitted by a technically qualified person. Do not tamper with any part of the equipment unless you are experienced or qualified to do so.
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LM-1: Installation & User Guide 3 5 Installing the LM-1 5a Hardware and Wiring Requirements The Cloud LM-1 active panel is the same physical size as a double UK electrical socket (13A Type) and can be mounted in the recessed back box provided or be surface mounted in a standard 35mm deep housing. The LM-1 should be connected to the facility input of the host mixer or amplifier using 9-Core cable with an overall screen.
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4 LM-1: Installation & User Guide If the Z4 or Z8 is in default configuration all mic signals will override LM-1 signals, to remove this priority set internal jumper ‘J4’ to the ‘OFF’ position. Location of Jumper J4 When setting the jumper(s) please ensure that you: • Remove the mains cable from the rear of the product before removing the top panel. • Only reassemble the unit using bolts/screws identical to the original parts.
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LM-1: Installation & User Guide 5 6 ‘Local’ Connection and Control Facilities 6a Music inputs The LM-1 is a mono device; the line inputs are stereo connections, which are internally buffered and mixed to create a mono signal. The line input level connection is via unbalanced stereo RCA type phono sockets; it is suitable for all standard ‘line out’ signals. Input impedance is 20kΩ.
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6 LM-1: Installation & User Guide 8 Installing the LM-1 to (pre April-2001) Z4 and Z8 Venue Mixers 8a Hardware and Wiring Requirements The LM-1 should be connected to the facility input of the host mixer using 9-Core cable with an overall screen; full details are located on page 3.
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LM-1: Installation & User Guide 9 7 Solving Problems: Ground Loops & Hum Trouble free performance can be expected if both the music and microphone sources are derived from a double insulated mains powered unit (a unit with a two-core power cable that has no connection to mains earth). This will ensure that the main sound system does not have an additional power ground (earth) connection.