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User\'s manual Frequency list
LD Systems U505 CS 4 4-Channel Wireless Conference System
- True diversity UHF wireless conference system
- Automatic channel scan
- Automatic frequency search
- Infrared frequency synchronizing of receiver and microphone unit
- Pilot tone
- Priority switching
- Automatic and manual gate modes
- Security lock
- RS-232 interface for external control
Product type
Conference Systems
Type
Installations
Modulation Type
FM
Transmission frequency range
554 - 586 MHz
Channels
60 (6 x 10)
Groups
6
Antenna inputs
2
Antenna connector
BNC
Frequency response
60 - 16000 Hz
Noise reduction
squelch
THD
< 0.2 %
Signal-to-noise ratio
> 100 dB
Controls
digital encoder , Power On/Off , RX 1 - 4 quick access buttons
Audio output, balanced
4 x XLR
Indicators
OLED Display
Audio mix output, balanced
XLR
Width
484 mm
Height
44 mm
Depth
243 mm
Max. output level
+12 dBu
Weight
6 kg
Operating voltage
1,000 mA , 12 V DC
LDU505CST - LD Systems U505 CST U 500 Conference System Microphone Base 554 - 586 MHz
Product type
Microphone Accessories
Channels
6 (6 x 10)
Inputs
XLR
Rated HF output power
10 mW
Controls
Power / Mute
Indicators
LED
Operating voltage
2 x AA battery
Operating time
up to 8 hrs., battery-dependent
Width
115 mm
Height
54 mm
Depth
135 mm
Weight
0,73 kg
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Infrared radiators providing wireless transmission of up to seven language channels for persons (e.g., observers) listing to a conference without asking for the floor.
The infrared radiators shall connected to the CS 5 BU through 2 BNC connectors and 50 Ohm coaxial cabling and serial concatenation. It shall transmit a PPM system modulated time-multiplex outputs of the central unit shall drive an arbitrary number of radiators. The CS 5 IRT1 shall have a radiation angle of +/- 22° and a working distance of 300 meters (with 50% down). The CS 5 IRT2 shall have a radiation angle of +/- 22° and a working distance of 500 meters (with 50% down).
As accessories of the infrared radiators the holding frame needed for mounting it to the side wall or the ceiling shall be included. The transmitter shall have a built in switchable power supply with IEC connector.
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- System Features and Outline
- Operations such as giving speech permission can be done from the operation PC. *Custom design.
- The number of conference units can be set for any of one, two or four persons allowed to talk at a time.
- All speeches during the conference can be recorded clearly.
- Sub audio(Japanese interpretation) is not recorded.
- Threefold choice vote function enables the voting just at the press of a Vote key on each unit. The result can be instantly totalized on the Central unit.
- Speeches can be addressed to audience via sound amplification. * The sub audio output is not amplified
SPECIFICATION:
Power Source | 100-240 V AC, 50/60Hz (supplied from AC adapter (accessory)) | Power Consumption | 72W | Input | MIC: -60 dB*, 600O,unbalanced, phone jackAUX: -20 dB*, 10 kO,unbalanced, phone jack | Output | REC: -20 dB*, 10 kΩ, unbalanced, phone jack, RCA pin jack HEADPHONE: Mini jack | Number of Connectable Chairman/Delegate Units | 64 units | Number of Connectable Infrared Transmitter/Receiver Units | 4 units (up to 16 units by using four Distributors) | Infrared Transmitter/Receiver I/O Terminal | 4 BNC jacks | External Control Terminal | D-sub connector (9 P, male) | LED Indicator | Audio signal receiving indicators 1-4 CH,Data signal receiving indicator, External control priority indicator, External control communication indicator, Power indicator, Battery indicator (flashes when a Chairman/Delegate unit's battery nears complete discharge) | Function Switch | Simultaneous speaker No. setting switch: 1/2/4 Mic-off setting switch: TIME OUT ON/OFF
Speech priority selector switch: A/B/C (A: First-in-first-out priority, B: Last-in-first-out priority, C: Fixed for the first unit, and last-in-first-out for the subsequent units) | Operating Temperature | 0º to+40º | Finish | Panel: Surface-treated steel plate, gray metallic, paint, semi-gloss | Weight | 2.7kg | Accessory | AC adapter (Cord length: 1.8 m DC cord, and 2 m detachable AC cord)…1 | Option | Rack mounting bracket: MB-TS900 | | *0dB=1V |
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Supplied ceiling-mounting brackets facilitate installation.
Equipped with power indicator LED.
The IR-510R covers a practical radius of approx. 8 m.
Specification |
| Power Source | 24V DC (Supplied from the optional IR-702T) | Current Consumption | Max.60mA | Infrared Detector | | Wavelength | 870nm | Carrier Frequency | Channel A:3.100MHz/Channel B:3.350MHz | Reception Area | Practical radius of approx. 8 m in a space without any obstacle | Connection Terminal | 75 Ω, BNC jack | Operating Temperature | 0ºC to +40ºC | Operating Humidity | 30% to 85% RH | Finish | Case: Polycarbonate resin, visible light cut filter Base: ABS resin, black | Dimensions | 120 x 71.3 (H) mm | Weight | 205g (unit only) |
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Power (w/o IEC power cord) for up to 40 microphone units. |
- Quick setup and takedown even of large systems
- No operator training required
- Superior audio quality
- Voice activation or manual PTT control
- Ease of use, high reliability
The CS 2 is the ideal solution for venues where no sound engineer is available permanently such as meeting rooms, town halls, etc. The central Base Unit controls microphone channels and a priority button allows one or more chairpersons to call the meeting to order. Two types of Microphone Units are available, the Chair Unit with a priority button (any number of Chair Units can be used in a system) and the Delegate Unit. Providing two loudspeakers, two headphone outputs, and a "Voice Zoom” function, each version can be used by two persons.
For permanent flush mounting e.g. in a tabletop an optional mounting frame CS 5 MF is available.
The CS 2 uses AKG's famous Modular Series capsules that connect to the Microphone Units via a GN 30 CS (approx. 12 in./30 cm) or GN 50 CS (approx. 20 in./50 cm) gooseneck. A rugged, threaded TRS mini jack with gold plated contacts ensures a firm, wobble-free mechanical joint and excellent electrical contact. Five different ready-to-use cables in standard lengths between 4 ft. (1.25 m) and 66 ft. (20 m) are available for connecting the individual Microphone Units together. This does not only save time but increases the reliability of the system. A range of optional accessories will solve any installation problem. With its wide variety of options, the CS 2 is more flexible than many "fully digital” systems. Plus, the AKG brand name stands for excellent sound and high reliability.
Bottom panel dip switches and pots on each Microphone Unit allow many functions to be adjusted individually.
- Voice Activation threshold
- Voice Activation hold time
- Microphone automute after user stops talking
- Enable/disable NOM limitation
- Voice Activation ON/OFF
- Priority level
- “Voice Zoom” ON/OFF
- Loudspeaker/headphones level reset or last setting
- Adjustable compression
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