Made in the UK by
This handbook is for use with the following product:
CM-TB8 8 Channel Talkback Control Unit
Stock Code: 30-267 AW10560
©Sonifex Ltd, 2021
All Rights Reserved
Revision 1.08, August 2021
Sonifex Ltd, 61, Station Road, Irthlingborough,
Northants, NN9 5QE, England.
Tel: +44 (0)1933 650 700
Fax: +44 (0)1933 650 726
Email: sales@sonifex.co.uk
Website: https://www.sonifex.co.uk
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.
No part of this manual may be reproduced or transmitted in any form or by any means, electronic
or mechanical, including photocopying, recording, information storage and retrieval systems, for any
purpose other than the purchaser’s personal use, without the express written permission of Sonifex
Ltd. Unless otherwise noted, all names of companies, products and persons contained herein are
part of a completely fictitious adaptation and are designed solely to document the use of Sonifex
product.
Product Warranty - 2 Year Extended i
Sonifex Warranty & Liability Terms & Conditions i
1. Definitions i
2. Warranty i
Unpacking Your Product ii
Repairs & Returns iii
Conformity iii
Safety & Installation of Mains Operated Equipment iii
Voltage Setting Checks iii
Fuse Rating iii
Power Cable & Connection iii
WEEE Directive iv
Atmosphere/Environment iv
Introduction 1
Front Panel Controls, Connections & Indicators 2
Headphone Output Connection 2
Microphone Input Connection 2
Headset Connection 2
Talk Level Indicators 2
Input Select Indicators 2
Multi-Function Rotary Control 3
Group Talk Button 3
Channel 1 to 8 Talk Buttons 3
Channel 1 to 8 IFB/4W Select Switches 4
Channel 1 to 8 Monitor Level Potentiometers 4
Loudspeaker Mute Button 4
Loudspeaker Dim Potentiometer 4
Monitor Level Potentiometer 4
4W IN Input Connections 5
TB OUT Output Connections 5
IFB A & B Programme Input Connections 5
MIC Output Connection 5
Remote Connections 5
Ethernet Connection 5
LS Output Connection 5
Line-Up Tone Mode 6
Remotes 7
Remotes 1 – Outputs 7
Remotes 2 – Inputs 7
