Infra-Red Receivers (Lbb 4540/Xx); Description - Bosch INTEGRUS Installation And Operating Manual
Digital infra-red language distribution system
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- Operation manual (94 pages) ,
- Installation and operation manual (90 pages) ,
- User manual (72 pages)
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4 Infra-Red Receivers (LBB 4540/xx)
4.1 Description
Receivers are available for 4 or 32 channels. They can operate with a rechargeable NiMH battery pack or with disposable
batteries and have controls for channel selection, volume adjustment and an on/off push button. All receivers have a 3.5 mm
(0.14 inch) stereo jack output socket for mono or stereo headphones. An LCD display shows the channel number and
indicators for signal reception and low battery power. Charging circuitry is included in the receiver.
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Figure 4.1 Receiver, front view and back view with open battery compartment
1.
Charging indicator LED - Used in combination with the charging equipment..
2.
Headphone connector - A 3.5 mm (0.14 inch) stereo jack output socket for the headphone, with integrated Stand-
by/Off-switch.
3.
LCD Display - A two digit display showing the selected channel. An antenna symbol is visible when the receiver picks up
an infra red signal of adequate quality. A battery symbol is visible when the battery pack or the batteries are almost empty.
4.
Volume control - A slider to adjust the volume.
5.
Channel selector - An up/down switch to select an audio channel. The channel number is shown on the LCD display.
6.
On/Off button - When a headphone is connected, the receiver switches to Stand-by state. Pressing the On/Off button
switches the receiver from Stand-by to On. To switch back to Stand-by, press and hold the button for approx. 2 seconds.
When the headphone is removed, the receiver switches automatically to the Off-state.
7.
Battery pack connector - This connection is used to connect the battery pack to the receiver. Charging is automatically
disabled when this connector is not used.
8.
Charging contacts - Used in combination with the charging equipment to recharge the battery pack (if used).
9.
Battery pack or disposable batteries - Either a rechargeable NiMH battery pack (LBB 4550/00) or two disposable AA-
size 1.5V batteries.
: When the receiver is not used, disconnect the headphones. This ensures that the receiver is totally switched-of and no energy is
consumed from the batteries or the battery pack.
BOSCH Security Systems B.V.| February 2003
INTEGRUS | Digital Infra-red Language Distribution System
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