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CT3

 Overview 

Introduction

The dbx CT3 is an advanced cable testing unit allowing you to evaluate a large variety of cables with ease. The CT3 offers 
many common connectors such as RJ45, RJ11, MIDI, Speaker Twist, XLR, RCA Phono, BNC, DIN, TRS, TS, DMX, & Banana.
It can be split into 2 parts, a SENDER and RECEIVER so pre installed and long cables can be tested. 

Features

•  Tests up to 8-pin cables

•  2 piece chassis for testing installed cables

•  Test Tone Generator

•  Allows connection between different format connectors with ease

•  ‘Banana’ connector continuity tester with beeper and LED indicator

•  Super-rugged construction for durability and longer life

•  (2) DMX (5-pin) connectors for testing of 5 pin->to pin connections

•  (2) BNC connectors for testing of 2 pin->to pin connections

•  (2) RCA Phono connectors for testing of 2 pin->to pin connections

•  (2) XLR connectors (1 x Male, 1 x Female) for testing of 3 pin->to pin connections

•  (2) MIDI (5-pin DIN) connectors for testing of 5 pin->to pin connections

•  (2) Speaker Twist connectors for testing of 4 pin->to pin connections

•  (2) Banana connectors for testing of 1 pin->to pin connections

•  (2) 1/4” (6.3mm) TRS/TS connectors for testing of 3 pin->to pin connections

•  (2) RJ45 connectors for testing of 8P8C modular connections

•  (2) 1/8” (3.5mm) TRS/TS connectors for testing of 3 pin->to pin connections

The CT3 does not use any mains voltages, it only uses 9V DC batteries, one per side of the CT3. Please be aware that if 
batteries are left unused in the unit they may leak after a while and cause damage to the unit, make sure that if you are not 
using the CT3 for a long period you disconnect or remove the battery.

Summary of Contents for DBX CT3

Page 1: ...OWNER S MANUAL CT3 ADVANCED CABLE TESTER ...

Page 2: ...with the sale of this product In no event shall dbx or its dealers be liable for special or consequential damages or from any delay in the performance of this warranty due to causes beyond their control Technical Support Service If you require technical support contact dbx Technical Support Be prepared to accurately describe the problem Know the serial number of your device this is printed on a st...

Page 3: ...1 CT3 Table of Contents Overview 2 Introduction 2 Features 2 Connections 3 Using The CT3 4 Example 1 5 Specifications 6 ...

Page 4: ... BNC connectors for testing of 2 pin to pin connections 2 RCA Phono connectors for testing of 2 pin to pin connections 2 XLR connectors 1 x Male 1 x Female for testing of 3 pin to pin connections 2 MIDI 5 pin DIN connectors for testing of 5 pin to pin connections 2 Speaker Twist connectors for testing of 4 pin to pin connections 2 Banana connectors for testing of 1 pin to pin connections 2 1 4 6 3...

Page 5: ...ll see the LEDs on the receiver unit dim in intensity as the Ring and Sleeve are shorted by the jack being used A B C D E F G H A Receiver side B Adjusts the level of the test tone C Sender side voltage goes OUT from here to a cable for testing D The speed at which the testing of cables occurs E ON OFF switch for the sender F Battery compartments for 2 x 9V DC batteries G Test Tone OFF Cable Test ...

Page 6: ...m the Tone Generator is sent out the jacks on the left hand side of the unit This is a balanced signal and as indicated the positive signal is on pins 2 and 4 and the negative signal is on pins 3 Pin 1 is grounded If you are testing an unbalanced device the output level indicated by the Tone Level Knob is exactly half of that shown The Test Tone generator is strong enough to drive certain devices ...

Page 7: ...g cable testing In this way you are now able to split the CT3 in half Sender and Receiver and still see if a cable is working properly by only looking at one side of the tester the Receiver side The order in which PINs are shown in the receiver side the GREEN LEDs is the order in which the PINs or wires are being tested and connected If for example the XLR cable is wired 1 3 2 instead of 1 2 3 you...

Page 8: ...tice Specifications and appearance may differ from those listed or shown Important Note Every effort has been made to ensure all information provided in this manual is accurate at the time of writing dbx is not liable for any incorrect information contained in this manual and extends no liabilities in regard to this manual other than those required by local law dbx may update the contents of this ...

Page 9: ...7 CT3 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 10: ...Phone 801 566 8800 Website dbxpro com Support dbxpro com en US support dbx Professional Products is a registered trademark of Harman CT3 Owner s Manual 2015 Harman All rights reserved ...

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