Kopul CBT-MF Bedienungsanleitung
Multi-Function / Dual Chassis
CABLE TESTER
User Manual
CBT-MF
1
Thank you for choosing Kopul.
The Kopul CBT-MF is a professional-quality cable tester that allows
users to test the continuity of a wide variety of cables with a single
device. It quickly identies connectivity and ground problems in some
of the most frequently-used cables, and makes troubleshooting audio
and studio setups fast and effortless.
The split chassis allows users to separate the two halves of the
CBT-MF. This feature provides an easy way to test the continuity of
long cables that have been run through walls or ceilings as well as
cables that have been put into audio or home theater installations.
LED indicators and a beep verify that each pin on the cable is properly
connected. For additional functionality, the CBT-MF generates a test
tone for troubleshooting a variety of connections.
The CBT-MF can test cables with any combination of Speakon 4-pin,
XLR 3-pin, XLR 5-pin, TRS, DIN 3-pin/5-pin, RCA, RJ45, RJ11, BNC,
or TRS 3.5 mm connectors. Two removable leads are included for
testing any kind of wire or cable with jacks that are not included on
this model. They also allow for testing connections when building or
repairing cables or when wiring studios or audio installations.
2
Precautions
• Please read and follow these instructions, and keep this manual in a safe place.
• Make sure that this product is intact and that there are no missing parts.
• Keep this unit away from water and any ammable gases or liquids.
• Remove the batteries during long periods of non-use.
• Do not attempt to disassemble or repair the equipment—doing so will void the warranty, and Kopul
will not be responsible for any damage.
• Clean the unit with a soft dry cloth.
• Use only parts provided by the manufacturer.
• All photos are for illustrative purposes only.
The CBT-MF is ideal for home, project, and professional studio use. Constructed with lightweight and durable
plastic, the CBT-MF is a road-ready tool for studio techs and install engineers.
3
Overview
Banana plug jacks
Battery compartments
(underside - not shown)
Pin indicator and continuity LEDs
Cable testing jacks
LED speed selector
Power LEDs
Cable test/Tone test power selector
Tone test volume selector Power switch
Cable testing jacks
4
Installing the batteries
It is recommended to check the battery prior to testing cables. To test the battery, do the following:
1. Lift the battery compartment cover by pressing the locking tab and removing the cover.
2. Insert the terminals of the snap connector onto the battery.
3. Place the battery into the battery compartment making sure to place the cables underneath the
battery.
4. Replace the battery compartment cover and press down until the lock clicks, locking it into place.
5
Operating the cable tester
Testing cables:
1. Plug the connectors of the cable into the corresponding jacks on either side of the cable tester.
2. Set the Power Switch on the sender to the ON position. The power LED will glow red. The rst three
LEDs will light in sequence indicating that batteries are installed in both battery compartments.
Note: The ashing LEDs at this point do not indicate cable continuity. They only indicate that
batteries are installed into both sender and receiver.
3. Switch the Cable Test/Tone Test selector on the receiver to the Cable Test position. The power
LED will glow green.
4. If both ends of the cable are properly connected, the pin continuity LEDs will begin to ash and a
beep will repeat to conrm the continuity of PIN 1.
Important: If the LEDs and beep do not start immediately once the receiver has been turned
on, it indicates that PIN 1 of the cable is faulty. PIN 1 needs to be connected in order for the
CBT-MF to begin working.
6
5. To change the ashing speed of the LEDs, set the speed selector to fast, medium, or slow.
Testing long cables that have been installed through walls or ceilings:
6. The sender and receiver can be separated by sliding them
apart. Connect each side to the cable to be tested.
7. The pin indicator LEDs will ash on both sides to show each
operator the status of each pin’s continuity.
Reading the LED indicators:
The pin indicator LEDs should ash in sequence from 1 – 8. If the LED do
not ash, or ash out of sequence, it can indicate a problem with the cable.
7
Use the table on page 9 to verify proper pin connections.
None of the LEDs light up and there is
no beep
The number of LEDs that light up depend
on the number of pins in the cable
LEDs light up in order
One of the LEDs does not light up
LEDs ash out of sequence
PIN 1 is faulty or damaged. PIN 1 needs to be connected in
order for the CBT-MF to begin testing the other pins.
A 5-pin cable will illuminate LEDs 1 through 5. The other LEDs
will not light up.
There is good continuity on each pin.
There is a faulty connection, grounding problem (short circuit), or
possibly a broken or damaged wire on that pin.
Example: If PIN 2 of a 3-pin XLR cable is faulty, you will hear the
beep and see LEDs for PIN 1, then the LEDs for PIN 2 will not
light up, and then the LED for PIN 3 will light.
This indicates that the cable has not been wired properly.
Example: If an XLR cable has been wired 1-3-2 instead of 1-2-
3, the beep will sound along with LED 1 conrming PIN 1’s
connection, and then you will see LED 3 followed by LED 2.
8
Manually testing cables
1. Plug the banana plugs of the leads into the corresponding red and black jacks on the front
panel of the cable tester.
2. Touch each lead to the corresponding pin on either end of the cable.
3. A lit LED accompanied by a beep indicates good connectivity and continuity.
Using test tones
1. Switch the Cable Test/Tone Test selector on the receiver to the Tone Test position. The power
LED will glow red.
2. Insert one of the connectors of the cable into the appropriate jack on the CBT-MF.
3. Select the amplitude of the test tone on the tone test volume selector (+0 dB, -10 dB,
or -50 dB.)
9
1 Sleeve
2 Tip
3 Ring
Jack
1 = sleeve
2 = tip
3 = ring
Pin 1
Pin 2
Pin 3
1 Sleeve
2 Tip
3 Ring
1 Sleeve
2 Tip
3 Ring
Pin 1
Pin 2
Pin 3
1 Sleeve
2 Tip
3 Ring
1 Sleeve, 3 Ring
2 Tip
1 Sleeve, 3 Ring (shorted with sleeve)
Speakon
1 = -1
2 = +1
3 = -2
4 = +2
Phono
1 = screen
2 = hot Pin 1
Pin 2
Pin 3
Pin 1, Pin 3
Pin 2
Pin 1, Pin 3 (shorted with sleeve)
1 Sleeve, 3 Ring
2 Tip
3 Ring
Pin 1, Pin 3
Pin 2
Pin 1, Pin 3
Pin 1
Pin 2
Pin 3
1/4˝ TS Mono to 1/4˝ Mono
XLR balanced to XLR balanced
1/4˝ TS Mono to XLR unbalanced
1/4˝ TRS to 1/4˝ TRS
XLR unbalanced to XLR balanced
1/4˝ TRS to XLR balanced
Inhaltsverzeichnis
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