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Summary of Contents for Sonifex CM-TB8
- Page 1 CM-TB8 8 Channel Talkback Control Unit User Handbook...
- Page 2 Information in this document is subject to change without notice and does not represent a commitment on the part of the vendor. Sonifex Ltd shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual.
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Page 3: Table Of Contents
Configuration Options On-Board Configuration Mode Embedded Web Server Home Page Network Settings Page Display Settings Page Talk Level Settings Page Group Talk Settings Page Load Settings Page Save Settings Page Update Page CM-TB8 8 Channel Talkback Control Unit User Handbook... - Page 4 Fig 6-7: Channel Settings Page. Fig 6-8: Load Settings Page. Fig 6-9: Save Settings Page. Fig 6-10: Update Page. Fig 8-1: Connection Example. Fig 12-1: Channel Settings Page Fig 12-2: PSTN Settings Page CM-TB8 8 Channel Talkback Control Unit User Handbook...
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Page 5: Warranty
Company, its employees (whilst in the course of their employment) or its agents (in the course of the agency); CM-TB8 8 Channel Talkback Control Unit User Handbook... - Page 6 Where the Goods are sold under a consumer transaction (as defined by the Consumer Transactions (Restrictions on Statements) Order 1976) the statutory rights of the Purchaser are not affected by these Conditions of Sale. CM-TB8 8 Channel Talkback Control Unit User Handbook...
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Page 7: Unpacking The Cm-Tb8
In order to register the date of purchase so that we can keep you informed of any design improvements or modifications, it is important to complete the warranty registration document that is enclosed and return it to Sonifex Ltd in the UK, or register online at www.sonifex.co.uk/register For your own records you should write down the serial number (which can be found on the rear of the CM-TB8). -
Page 8: Safety Information
– this is a legal requirement. If no moulded plug has been supplied with your CM-TB8, please contact your supplier, because an IEC connector is always supplied from the Sonifex factory. If for any reason, you need to use the CM-TB8 with a different power cable, you should use the following wiring guidelines. Wire Colour... -
Page 9: Ordering The Correct Mains Lead
Important Note : The terminal marked on the rear panel must be earthed. Ordering the Correct Mains Lead When ordering a CM-TB8 from Sonifex, it is helpful if you can specify your required operating voltage and mains lead. After the product code add:... -
Page 10: Weee & Rohs Directives - Sonifex Statement
It gives a contact for individuals who are unsure about the correct procedure when the product has reached its “end of use”. Sonifex Ltd will be happy to give you information about local organisations that can reprocess the products, or alternatively all products that have reached “end of use” can be returned to Sonifex and will be reprocessed correctly free of charge. -
Page 11: Introduction
The CM-TB8 Talkback Control Unit is a powerful and highly flexible self contained communications unit allowing multiple 4-wire and IFB connections within a single 1U rack space. Using the latest DSP technology, the CM-TB8 integrates a high quality, digitally controlled audio system with an intuitive and configurable user interface. It offers easy connection to any industry standard talkback system including the Sonifex CM-TBU line listen unit plus the CM-CU1 and CM-CU21 commentator units. -
Page 12: Front Panel Controls, Connections & Indicators
Multi-Function Rotary Control The rotary control has various functions which are dependent on the current operating mode. CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 13: Group Talk Button
Once the required microphone gain and filter setting has been set, a brief press on the rotary control will return the unit to normal operation. Group Talk Button The group talk button simultaneously activates all of the talk buttons that have been CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 14: Channel 1 To 8 Talk Buttons
Channel 1 to 8 Monitor Level Potentiometers These controls set the level of the signal that is routed to the monitor headphones/headset and loudspeaker from each channels input. CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 15: Loudspeaker Mute Button
Monitor Level Potentiometer The monitor level potentiometer controls the overall level of the signal routed to the headset/headphone outputs, the loudspeaker and the loudspeaker output on the rear panel. CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 16: Rear Panel Connections
The Ethernet connection provides 100Mb network capabilities via a RJ45 connector. LS Output Connection The loudspeaker output is via a ¼ inch (6.35mm) jack socket. When an external loudspeaker is connected, the internal loudspeaker is muted. CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 17: Line-Up Tone Mode
LINE-UP TONE MODE Line-Up Tone Mode The CM-TB8 has a built in Test Tone generator which selectively routes a line-up tone of 1kHz at 0dB to all talkback outputs to assist channel identification and cabling checks. There are two test tone modes, manual and auto. -
Page 18: Remotes
Channel 8 Remote Call – active low input Pin9: Loudspeaker Dim enable – active low input Pin10: Loudspeaker Mute enable – active low input Pin11: no connection Pin12: no connection Pin13: Ground Pin14: Ground Pin15: Ground CM-TB8 8 Channel Talkback Control Unit User Handbook... - Page 19 When a remote call is active, the corresponding talk button flashes amber. This call condition takes priority over the audio level activated call input on each channel. The loudspeaker mute input, when active, takes priority over the mute button operation. CM-TB8 8 Channel Talkback Control Unit User Handbook...
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Page 20: Configuration Options
CONFIGURATION OPTIONS Configuration Options The CM-TB8 has a wide range of user configurable options. These options are arranged in sets, with an active set which contains the current working settings, and six configuration set templates that allow settings to be stored and recalled at a later date. Two of the configuration templates, sets 1 and 2, are read only and cannot be modified. -
Page 21: Embedded Web Server
To use the embedded web server, the unit needs to be connected to a network via the Ethernet port on the rear panel. By default, the CM-TB8 is configured as a DHCP client and when connected to a network, it will search for a DHCP server in order to obtain its IP address. - Page 22 Once the IP address of the unit is known, simply type this into the address bar of a web browser. The home page of the connected CM-TB8 will be displayed. Each page within the web server is accessed via one of the tabs in the menu bar below the title banner.
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Page 23: Home Page
Network Settings Page Fig 6-2: Network Settings Page This page shows the network related settings. The unit name allows the connected CM-TB8 to be easily identified if there is more than one unit on the network. The IP address, subnet... -
Page 24: Display Settings Page
This page shows the display settings. The LED brightness setting changes the illumination intensity of the front panel buttons and indicators to allow for a range of installation environments. Microphone Settings Page Fig 6-4: Microphone Settings Page CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 25: Talk Level Settings Page
This is the second sub-item under the configuration tab. If this feature is enabled, the adjustment is made by turning the rotary control. An alternative option requires the rotary control to be pressed before any adjustment can be made. CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 26: Group Talk Settings Page
With the option set to auto, the button has a momentary action that will automatically latch on or off if pressed briefly Channel Settings Page Fig 6-7: Channel Settings Page CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 27: Load Settings Page
This page allows one of the six configuration set templates to be loaded in the current active set. The details of the selected set are shown. Press the load button to implement the new settings. CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 28: Save Settings Page
This page allows the current active configuration to be saved to one of the four editable configuration set templates. The details of the current active configuration are shown. Press the save button to store the settings in the selected set. Update Page Fig 6-10: Update Page CM-TB8 8 Channel Talkback Control Unit User Handbook... - Page 29 Press the browse button to locate the file and select it. Then press the update button to transfer the new firmware to the CM-TB8. The update process will take approximately 20 seconds during which time the unit will reboot automatically.
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Page 30: Configuration Option Defaults
Talk Adjustment Range: ±6dB Group Talk Button Action: Auto Channel 1 Group Talk Inclusion: Enabled Channel 1 IFB Mode: 4W input is IFB, Mic signal interrupts talkback signal Channel 1 Talk Button Action: Auto CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 31: Configuration Template Sets 3 To 6
Continue to keep the button pressed for a further 5 seconds until it flashes green and red. The loudspeaker mute button can now be released and the unit will boot up into the normal operating mode. CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 32: Connection Example
CM-TB8 to any of the connected channels can then interrupt the standing feed, by use of the talk buttons. The remote outputs from the two channels on the CM-TB8 that are connected to the commentator unit can be configured to provide a remote call indication when the talk channels on the control unit are active. -
Page 33: Button Operation Reference
BUTTON OPERATION REFERENCE Button Operation Reference The following table list all the button combination required to enter the various operating modes on the CM-TB8. The duration column details how long the buttons need to be pressed to enter the associated mode. TALK... -
Page 34: Connection Details
Channel 4 Talk active – open collector output Pin5: Channel 5 Talk active – open collector output Pin6: Channel 6 Talk active – open collector output Pin7: Channel 7 Talk active – open collector output CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 35: Remotes 2 - 15-Way 'D'-Type Socket
Loudspeaker Mute enable – active low input Pin11: no connection Pin12: no connection Pin13: Ground Pin14: Ground Pin15: Ground Loudspeaker Output – ¼ inch (6.35mm) jack socket Tip: Speaker Positive Ring: Speaker Negative Sleeve: Ground CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 36: Technical Specification
8 x XLR-3 pin male (transformer balanced) Microphone Output: XLR-3 pin male (electronically balanced) Loudspeaker Output: ¼ inch (6.35mm) stereo jack socket Remote Inputs: 15-way ‘D’-type socket Remote Outputs: 15-way ‘D’-type socket Ethernet: RJ-45, 10/100Mbps CM-TB8 8 Channel Talkback Control Unit User Handbook... - Page 37 482mm (W) x 260mm (D) x 44mm (H) 19” (W) x 10.2” (D) x 1.7” (H) Including Connectors: 482mm (W) x 340mm (D) x 44mm (H) 19” (W) x 13.4” (D) x 1.7” (H) CM-TB8 8 Channel Talkback Control Unit User Handbook...
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Page 38: Cm-Tb8T Introduction
Before the telephone expansion card can be used, it needs to be enabled. The two telephone lines are assigned to channels 1 and 2 on the CM-TB8 and they can be independently enabled using the embedded web server. See the section on page 11 for details on how to connect to the web server. -
Page 39: Making A Telephone Call
If the handset is replaced prior to the talk button being pressed, the call is dropped. If the talk button is pressed, the CM-TB8 is connected to the telephone line and the talk button will illuminate amber. -
Page 40: Handling A Connected Telephone Call
An option to enable auto disconnect is in the PSTN settings page of the embedded web server. CM-TB8 8 Channel Talkback Control Unit User Handbook... -
Page 41: Embedded Web Server
PSTN Settings Page Fig 12-2: PSTN Settings Page Telephone Numbers 1-8: The CM-TB8 can stored up to 8 telephone numbers that can be accessed by both of the telephone interface channels. Enable Call Signal: When an external caller is ringing one of the telephone interface channels, this option routes an internally generated call signal to the monitor headphones/ headset and loudspeaker. -
Page 42: Pstn Telephone Interface Connection Details
CM-TB8T TELEPHONE HYBRID EXPANSION CARD Country Code Setting: This setting configures the telephone interface in the CM-TB8 for the selected country or equipment type. It ensures that all telephone approval parameters are met for operation in various parts of the world. - Page 43 NOTES CM-TB8 8 Channel Talkback Control Unit User Handbook...
- Page 44 w w w . s o n i f e x . c o . u k t:+44 (0)1933 650 700 f:+44 (0)1933 650 726 s a l e s @ s o n i fe x . co. u k...
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