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Digital Discussion Public Meeting Basic System
LS-111
Highlights
- Integrated digital recording to a USB device
- Controls and powers up to 50 microphone units
- Webserver system settings control
- Up to eight (8) open microphones
- Touch sensor button technology
- Integrated menu LCD
- Built-in digital acoustic feedback reduction
- Fanless for silent operation
- Microphone LED ring
- Built-in headphone connection
- Loop-through, daisy chain cabling
- Durable industrial carrying case
Overview
The Digital Discussion Public Meeting Basic System is a complete 12 person discussion system designed to control & record meetings for groups such as small cities, counties or school boards. The included Digital Discussion Central Unit is powerful enough to control up to 50 delegate units. Each meeting participant simply presses their own microphone button, speaks into the mic and is heard by all other participants.
This system has the ability to record the audio present in a meeting for future playback and archive by simply connecting a USB memory device. The recording parameters are versatile allowing adjustment of the file type and size. The Central Unit can be connected to the local network through the LAN connector enabling control of the recording and configuration by a web browser on your PC or mobile device.
Includes
One (1) D-Cerno-CUR Digital Discussion Central Unit w/Digital RecordingOne (1) D-Cerno-C Digital Discussion Chairman Unit w/ Fixed Mic 12 in.
Eleven (11) D-Cerno-D digital Discussion Delegate Unit w/ Fixed Mic 12 in.
One (1) D-Cerno-TC Digital Discussion 12-Unit and 1-CU Storage/Carrying Case
Specifications
| Specifications | LS-111 | |
| Audio | Frequency Response | 25Hz to 15KHz (+/-3dB) |
| THD | ≤ 0.02% | |
| Quality | 16 Bit Digital | |
| Configuration | Package | One (1) Central Unit w/ Digital Recording |
| One (1) Chairman Unit | ||
| Eleven (11) Delegate Units | ||
| Capacity & Expansion | 50 Conference Units per CU | |
| Two (2) Additional CU's can be added in slave mode each servicing 50 conference units (for a System total of 150 conference units) | ||
| Unit Specifications | See Individual Unit Specifications | |
| Connections | Cat5e | Master Unit |
| Up to Two (2) Central Units (CU) operating in "slave" mode | ||
| LAN | RJ45 for connection to LAN (active only on D-CERNO-CUR) | |
| USB | Two (2) USB ports for connecting a recording storage device. | |
| D-Cerno Network | Four (4) RJ45 connections for microphone units. | |
| Two (2) RJ45 connections for additional Central Units in Master/Slave Configuration. | ||
| Audio Inputs | One (1) Un-balanced RCA connector | |
| One (1) Balanced XLR connector | ||
| Audio Outputs | Two (2) Un-balanced RCA connectors | |
| Headphone | One (1) 3.5 mm (0.14 in.) mono headphone connector | |
| Power Connection | Lockable 0.4 in. (10 mm) 4-pin DIN Type Connection | |
| MIC Modes | Open Microphones | Up to 8 |
| Microphone Control | Direct Access | |
| Override | ||
| Voice Activated | ||
| Recording Format (CUR) | mp3 | 56 Mb/minute |
| Recording Time using 10 Gb Memory (user provided) | 64 kbps = 43 hrs. | |
| 128 kbps = 21 hrs. | ||
| 192 kbps = 14 hrs. | ||
| Specifications are subject to change without notification | ||
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Used With
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D-Cerno-DL Digital Discussion Delegate Unit w/ Fixed Mic 20 in. (50 cm)
A delegate discussion unit that comes in a stylish low-profile design, superior sound quality and uses touch sensor technology.
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D-Cerno-C Digital Discussion Chairman Unit w/ Fixed Mic 12 in.
A chairman discussion unit that comes in a stylish low-profile design, superior sound quality and uses touch sensor technology.
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D-Cerno-CL Digital Discussion Chairman Unit w/ Fixed Mic 20 in.
A chairman discussion unit that comes in a stylish low-profile design, superior sound quality and uses touch sensor technology.
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D-Cerno-D Digital Discussion Delegate Unit w/ Fixed Mic 12 in.
A delegate discussion unit that comes in a stylish low-profile design, superior sound quality and uses touch sensor technology.
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Support Documents
FAQ
How many discussion units can the Digital Discussion CUR operate?
Up to 50. However, by connecting additional CUs together, the system can be expanded up to 150 discussion units.
How do the conferencing units connect to the Central Unit?
A minimum of Cat5 STP shielded cable is used to daisy chain the conference units together. The Cable MUST be shielded for the system to work properly.
What is the maximum cable length that can be used with the system?
The total cable length of a branch must not exceed the maximum of 1,300 ft. (400 m). The maximum cable length allowed between units is 260 ft. (80 m).
Does the Digital Discussion system have voice activation capabilities?
Yes. Voice Activation (VOX) is one of the systems many conference modes and comes standard with the CU.
Can the Digital Discussion system be used in teleconferencing applications?
Yes. The CUR has multiple inputs and outputs for connecting to a wide variety of 3rd party teleconference equipment.
Can the Digital Discussion system be used for language interpretation?
No. There are no interpretation channels available.
Does the system provide integrated recording functions?
Yes. The CUR provides 2 USB ports for connecting a data storage device. The CUR can then be used to record or playback the audio of a meeting.
What are the possible file formats for the digital recordings?
Recordings can be saved as either .mp3 or .wav with the possible bit rate adjustment of either 64 kpbs, 128 kbps or 192 kbps.