AKG Acoustics CS 5 user manual Infrared Transmission System, Mounting, Connections

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Section 7: Infrared Transmission System

•To cover an entire room, place one infrared radiator in each corner of the conference room, at least 10 feet (3 m) above the floor, aligning the front panel to face the opposite corner.

Walls and/or ceilings that are painted a dark color, paneled, or acoustically treated will absorb more infrared radi- ation than white surfaces, so you will need more infrared radiators in darker rooms.

•Sunlight, fluorescent lighting, and photo flashes may weaken infrared radiation. Therefore, try to place the infrared radiators where they will not be exposed to natural or artificial light or use some extra IRTs.

￿Note: Working out the exact number of infrared radiators needed for optimum room coverage and placing them cor- rectly can be a challenge in some rooms. As a rule of thumb, it is better to use many small (CS 5 IRT 1) radia- tors than only a few large ones (CS 5 IRT 2). If you need assistance, your dealer or nearest AKG Distributor will be glad to help.

7.1.3Mounting

•For mobile use, you can fix the support frame of the infrared radiator on a heavy standard loudspeaker stand.

•For permanent installations, you can directly screw the support frame on a wall or ceiling at any desired angle. To mount a radiator in a corner, you may need additional angle brackets (available from hardware stores).

•To set the tilt angle of the radiator, slacken the set screws on the support frame, rotate the radiator to the desired angle, and tighten the set screws.

7.1.4Connections

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Important: To avoid damage to any system components, do not lay, connect, or disconnect any cables while power to the system is on. Always disconnect the entire system from power before making any changes to the wiring.

1.Use RG58 50-ohm coaxial cable and BNC connectors to connect one INFRA OUT jack on the Base Unit rear panel to the IN BNC jack on the infrared radiator on the left side of the room.

2.Use a cable of the same length (or as nearly as possible) to connect the other INFRA OUT jack on the Base Unit rear panel to the IN BNC jack on the infrared radiator on the right side of the room.

3.If you need to use more than one radiator on either bus, use RG58 50-ohm coaxial cable and BNC connectors to connect the OUT jack on the first radiator to the IN jack on the subsequent radiator, and so on.

Note: To ensure consistent performance of the two radiators, keep the difference in length between the two cables to a practical minimum (less than 164 feet/50 m).

4.Connect each infrared radiator to power.

The CS 5 IRT 1 and CS 5 IRT 2 infrared radiators have no power switches. Therefore, connect the power input on each radiator to a switched 230 V/50 Hz power outlet protected by an appropriate fuse.

Important:

•If no switched power outlets are available at the site of a permanent installation, ask a qualified elec- trician to install the required number of outlets in the conference room and a suitable ON/OFF switch in the control room in accordance with local electrical and occupational safety regulations.

CS 5 User Manual

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Contents Conference System Table of Contents Table of Contents Symbols Used Safety Instructions Safety and EnvironmentEnvironment FCC StatementGeneral Page Simple Discussion System System ExamplesExample 1 Simple discussion system Example 2 Larger discussion system with computer control Computer-controlled Discussion SystemInfrared Interpretation System Layout Wiring Diagram Example 4 Large conference system layout and wiring diagram Page CS 5 BU Base Unit Power Switches power to the Base Unit on I or OFFGeneral Front PanelRear Panel CS 5 BU Base UnitBlock Diagram Setting Up the Base UnitBase Unit dip switches Configuring the Dip SwitchesSelecting NOM Limitation/Interpretation Channels Setting Levels Powering UpCS 5 BU Base Unit Introduction CS 5 DU Delegate StationControls, Inputs, and Outputs CS 5 DU Delegate Station Setting UpMaking Connections Selecting Operating ModesCS 5 DU Delegate Station Control Panel, Inputs, and Outputs CS5 VU Voting/Chairperson StationCS5 VU Voting/Chairperson Station Refer to Mini jack for stereo headphonesFunction Switch positions Press soft button 3 Back to return to the main menu Delegate ModePresident menu and selectable submenus President ModeVoting/Polling Controlling a Ballot or Opinion Poll President Mode… or like this… Voting in Delegate ModePress any button to return to the President main menu Chip Card Identification CS 5 IU control panel, inputs, and outputs CS 5 IU Interpreter StationOutput CS 5 IU Interpreter StationSelecting Target Language Channels Selecting Station AddressesSelect Next press Relay to bring up this screen Selecting the Microphone Type List of Available Language NamesMicrophone signal will be automatically routed to output a Using the Interpreter StationSelect your target language Controlling the microphonesCS 5 IU Interpreter Station Infrared Transmission System PlacementCS 5 IRT 1 and CS 5 IRT 2 Infrared Radiators GeneralInfrared Transmission System Connect each infrared radiator to powerMounting ConnectionsCS 5 IRR 7 Infrared Receiver Replacing Batteries Using the Infrared ReceiverCharging Batteries CS 5 CU 50 Charger/Storage CaseUnlock and remove the lid from the flight case Remove the receiver from the charging slot Battery CareSystem Components CS 5 BU SpecificationsConnector Pinouts SpecificationsSystem CS 5 DU/VU Physical Dimensions Signal/noise ratio WidthDepth Physical Dimensions Width Circuited input Headphone Output PowerCS 5 PS CS 5 IRR CS 5 IRT 1 and CS 5 IRTTrickle Charging Mode Charging current Quick Charging Mode Charging currentCS 5 CU Conformity10/09/9100 U
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