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CT-3
Order Number 29.1340
ELECTRONICS FOR SPECIALISTS
ELECTRONICS FOR SPECIALISTS
Cable Tester
These instructions are intended for users with basic
technical knowledge. Please read these operating
instructions carefully prior to operating the unit and
keep them for later reference.
1 Applications
The CT-3 is designed for testing standard audio cables and
data cables and therefore is a useful tool not only for every-
day stage applications. LEDs indicate all contact connec-
tions. The continuity tester with visual and acoustic signals
is a perfect tool for testing all the other connections.
2 Important Notes
The unit corresponds to all relevant directives of the EU and
is therefore marked with
.
•
The unit is suitable for indoor use only. Protect it against
humidity, high or low temperatures (admissible ambient
temperature range 0 – 40 °C).
•
For cleaning only use a dry, soft cloth, never use chem-
icals or water.
•
No guarantee claims for the unit and no liability for any
resulting personal damage or material damage will be
accepted if the unit is used for other purposes than orig-
inally intended, if it is not correctly connected or operat-
ed, if it is overloaded or not re paired in an expert way.
If the unit is to be put out of operation definiti-
vely, take it to a local recycling plant for a disposal
which is not harmful to the environment.
Used batteries must not be placed in the household
waste. Always take them to a special waste disposal (e. g.
collection container at your retailer) for a disposal that is
not harmful to the environment.
3 Operation
3.1 Inserting / Replacing the battery
1) Push the battery support (25) upwards until it unlocks
and then remove the battery support.
2) If applicable, remove the discharged battery.
3) Insert a 9 V battery or a corresponding rechargeable
battery into the battery support (observe the polarity!).
4) Push back the battery holder into the battery compart-
ment, and then push down the battery holder so that
it locks.
If the unit is not used for a longer period of time, remove
the battery. Thus, the unit will not be damaged if the bat-
tery should leak.
3.2 Checking the battery
To check the charging state of the battery, set the selector
switch (21) to the position BATT. CHECK. If the LED (22)
does not light up or only lights up dimly, the battery is
discharged and should be replaced.
3.3 Testing the cable
1) Make sure that the cable to be tested does not carry any
voltage (make sure that no cable end is connected to the
amplifier, for example).
2) Connect the plug of one cable end to one of the jacks
(1 to 9) on the left side, connect the plug of the other
cable end to one of the jacks (10 to 18) on the right side.
3) With the rotary switch (21), successively select the con-
tacts of the connection jack used on the left side of the
unit. The table indicates the contacts that correspond to
the position numbers adjusted.
If there is a connection from the selected contact to a jack
on the right side of the housing, the corresponding LED
in the lower LED row (20) lights up. The upper LED row
(19) indicates the connection of the selected contact to
ELECTRONICS FOR SPECIALISTS
the respective contacts of the jack on the right side. When
using the DIN jack, the LED GND (23) lights up in red ad-
ditionally if the selected contact is connected to the plug
housing and the screening of the cable.
When connecting 2-pole 6.3 mm plugs, the contacts 1
and 3 are connected with each other by the plug, therefore
both LEDs light up in the upper LED row (19).
3.4 Continuity tester
Connect the two test cables provided to the two 4 mm ba-
nana jacks (24) of the continuity tester. Hold the test probes
to the two ends of the cable to be tested, not carrying any
voltage. When there is a cable connection, the signal will
sound and the LED between the jacks will light up in green.
4 Transport
When transporting the unit, make sure that the connec-
tions are not accidentally connected by conducting objects.
Otherwise the battery will possibly be discharged the next
time it is used.
5 Specifications
Power supply: . . . . . . . . . 9 V battery
Ambient temperature: . . 0 – 40 °C
Dimensions: . . . . . . . . . . 114 × 190 × 60 mm
Weight: . . . . . . . . . . . . . 800 g
Subject to technical modification.
1
2
3
4
5
6
7
8
9
MONACOR INTERNATIONAL GmbH & Co. KG • Zum Falsch 36 • 28307 Bremen • Germany
Copyright
by MONACOR INTERNATIONAL. All rights reserved.
©
ELECTRONICS FOR SPECIALISTS
ELECTRONICS FOR SPECIALISTS
SPEAKON-8P
SPEAKON-8P
RJ45
19
1
2
3
4
5
6
7
8
20
21
22
BATT.
23
CHECK
CONTINUITY
TEST
(GREEN)
GND (RED)
24
CT-3 CABLE TESTER
TRS
XLR-3P
SPEAKON
RCA
1 = SLEEVE
1 = 1( )
1 =
−
1
5 =
3
1 = SCREEN
−
2 = TIP
2 = 2(+)
2 = +1
2 = +3
2 = HOT
3 = RING
3 = 3( )
3 =
2
−
3 =
−
4
4 = +2
4 = +4
ILLUMINATED LEDs INDICATE CORRESPONDING PINS
CONNECTED.
ILLUMINATED GROUND LED INDICATES
CONNECTION FROM PIN TO SHELL (SHORT CIRCUIT).
ROTARY SWITCH FULLY CLOCKWISE:
BRIGHT LED INDICATES CHARGED BATTERY.
BANANA CONNECTORS:
CONTINUITY TEST WITH BEEPER AND LED.
25
ELECTRONICS
6.3 mm plugs
(3, 12)
6
DIN
GND
(6, 15)
7
8
RCA
(5, 14)
XLR
2
3 poles
(8)
XLR
1
3 poles
(17)
PUSH
XLR
5
5 poles
4 2
(7)
XLR
1
5 poles
2 4
(16)
10
11
[4-]
7
Speakon
®
12
[1+]
2
8 poles
1
[1-]
(1, 10)
13
[2+]
4
14
[1-]
1
15
Speakon
®
4
[2+]
4 or 2 poles
(9, 18)
16
17
Modular jack
8P8C "RJ 45"
(2, 11)
8
18
1 2
USB 1/ 2, type A
(4, 13)
A-1716.99.01.11.2015
1
3
2
1+ 3
2
1
4
2
5
3
1
2
1
3
2
3
1
3
5
3
8
[4+]
[3-]
5
[3+]
6
3
[2-]
[1+]
2
3
[2-]
[1-]
1
2
[1+]
...
1
3 4
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