Bosch Appliances 3122 475 22015en manual Operation, Reception test mode, Receiver headphones

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INTEGRUS Installation and User Instructions Integrus Receivers

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4.2 Operation

The receiver cannot operate when no headphone is connected. After connecting the headphone the receiv- er switches to stand-by mode. Push shortly on the on/off button to switch the receiver on.

The channel number is shown on the LCD display. The channel can be changed with the channel selector. Push it to the up- or down-position to increase or decrease the channel number. The highest channel number is automatically matched to the number of channels that has been set on the transmitter (see sec- tion 2.5.9).

A battery symbol is visible on the display when the batteries or the battery pack is almost empty.

An antenna symbol is visible when the receiver picks up a modulated infra red signal of adequate quality. During short interruptions in the reception, the receiv- er mutes the headphones output. When no adequate IR signal is detected for more than 1 minute (e.g. when a delegate leaves the conference room), the receiver automatically switches to stand-by mode. The volume can be changed by moving the volume control up or down.

The receiver can be manually switched to stand-by mode by pressing the on/off button for more than 2 seconds.

When the headphone is disconnected, the receiver is automatically switched off. (A switch in the headphone connector disconnects the batteries.)

The infra-red receivers can operate with disposable batteries (2x AA-size alkaline cells) or with a recharge- able battery pack (LBB 4550/00).

Insert the batteries or the battery pack in the receiver with the correct polarity as indicated in the battery compartment. The battery pack has a separate connec- tion cable which must be connected to the receiver. When this connection is not present, the charging cir- cuitry in the receiver will not work. This also prevents the unwanted charging of disposable batteries. The bat- tery pack has a temperature sensor which prevents overheating during charging.

For more information about charging the battery pack see chapter 5.

Note: Disposable batteries and battery packs at the end of their technical lives should be discarded with due care for the environment. When possible, take batteries to a local recycling station.

4.3 Reception test mode

The receivers can be switched to a test-mode to get an indication of the reception quality for each carrier sep- arately. To activate the test-mode: Push the channel selector to the Up-position, press the on/off button and hold both for ca. 2 seconds. When in test-mode, switch between carriers by using the channel selector. The receiver’s display will shortly show the carrier number (0-7) and then a quality indication (00-90).

Note: When the receiver does not receive the selected carrier, it keeps displaying the carrier number and does not display its quality.

The reception quality can be assessed as follows:

Indication

Quality

 

 

00-39

Good reception. Very good audio quality.

 

 

40-49

Weak reception. Ticks in the audio.

 

 

50-90

No or bad reception. Poor audio quality.

 

 

The test mode is deactivated when the receiver is switched off.

4.4 Receiver headphones

The headphones connect with the receivers via a 3.5

mm(0.14 inch) stereo jack connector. Suitable head- phone types are:

•LBB 3441/10 Under the chin stereo headphones

•LBB3442/00 Single earphone (mono)

•LBB3443/00 Stereo headphones (recommended)

•Or any other compatible type (see chapter 7, Technical Data).

Bosch Security Systems 2005-04 3122 475 22015en

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Contents Integrus Important Safeguards Table of contents Integrus Installation and User Instuctions Table of contents Bosch Security Systems 2005-04 3122 475 22015en Integrus Installation and User Instructions System overview System description and planningQuality modes Signal ProcessingSystem technology IR radiationFootprint of the radiator Aspects of infra-red distribution systemsCarriers and channels Directional sensitivity of the receiverRadiator mounted at 45 to the ceiling Ambient lightingPositioning the radiators 11 Infra-red signal blocked by a person in frontOverlapping footprints and multipath effects 14 Combination of several reflected signalsRectangular footprints Planning an Integrus infra-red radiation systemCabling Planning radiatorsSystem with one transmitter Setting the radiator delay switches20m System with two or more transmitters in one room Calculation of the master-to-slave signal delays Testing the coverage area Interference from IR systems Description Integrus TransmittersIntegrus DCN interface module Audio interface modulesInterface module slot cover Mounting an interface module in the transmitter housingRemoving the main PCB and the rear panel Upgrading an LBB4502/xx to an INT-TXRemoving the main PCB and the rear panel steps 1 Installation of the INT-TXKInstallation of the INT-TXK steps 1 Connections Connecting the DCN systemConnecting the DCN Next Generation Connecting other external audio sourcesConnecting to another transmitter Connecting an emergency signalOverview Using the configuration menuTo navigate through a sub-menu Navigate through the menuTo navigate through the Main menu To jump to a sub-menuTo jump back from a sub-menu to an item of the Main menu ExamplesExample 1 Disable carrier 2. See also section Turn to move the cursor Required channel num Setup Back View transmitter status Configuration and operationStart-up Main menuDCN View fault statusView version information Set monitoring optionsSet network mode Set transmission modeSet number of channels Set channel quality and assign inputs to channels Per Channel Settings Set channel names View carrier assignments Disable or enable carriersConfigure auxiliary inputs Set sensitivity of the inputs Enable / disable IR-monitoringEnable / disable headphone output Per Input Sensitivity settingsChoose transmitter name Reset all options to factory default valuesIntegrus Radiators Medium and High Power RadiatorsDescription Mounting the radiators Radiator status indicationAttaching the suspension bracket Wall mounting Mounting on a floor standCeiling mounting Connecting radiators to the transmitterMounting on horizontal surfaces Using the output power selection switch Low Power Wide Beam RadiatorLimitations Mounting the RadiatorIntegrus Receivers Receiver headphones Reception test modeOperation LBB 4560 Charging unit Integrus Charging UnitsWall mounting the charging cabinet Charging procedureTroubleshooting Integrus Installation and User Instructions Troubleshooting System Specification Technical DataTransmitters and Modules Radiators and AccessoriesTransmitter Upgrade Kit range Medium and High Power RadiatorsWall Mounting Bracket Receivers, Battery Packs and Charging UnitsLow Power Wide Beam Radiator NiMH Battery PackConnection details Guaranteed rectangular footprints Angle Product index

3122 475 22015en specifications

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