User Manual
2
Battery
Check
Ground
TRS-Jack
3.5 mm
TRS-Jack
3.5 mm
51 32 4
Speakon - 4P XLR/F RCA/Phono DIN 3P/5P TS/TRS
Speakon - 4P XLR/M RCA/Phono DIN 3P/5P TS/TRS
• Illuminated LED pair indicates continuity of 
corresponding pins
• Illuminated Ground LED indicates short circuit 
(connection between pin and shell)
• Battery Check: bright LED indicates charged battery
• Manual leads: continuity indicated by tone and LED
Jack
1 = sleeve
2 = tip
3 = ring
Speakon
1 = -1
2 = +1
3 = -2
4 = +2
RCA (Phono)
1 = screen
2 = hot
CBT-8
Cable Tester
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 battery 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.
Overview 
Selection knob
Ground LED
Battery Check LED
Banana plug jacks
Battery compartment
Pin indicator and 
continuity LEDs
Cable testing jacks








