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Tenma 72-9966 Quick Start Manual page 3

Cable tester

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OPERATION
Battery self test
Turn the rotary switch fully clockwise to select the battery check. If the green LED
lights brightly if the battery is charged.
Connect one end of the cable to be tested into the relevant socket on the left side
of the tester and the other end of the cable into the socket on the right side.
Set the rotary switch to 1 and if there is a wire with a good connection to that pin
on the left side the green LED below the number 1 will light, and if the yellow LED
above lights there is a good connection on the right side.
If no LED lights there is no wire connected to that pin in the plug on that side.
Set the rotary switch to 2 to test pin 2 and so on until all pins have been checked.
If the GND red LED lights there is a connection between the pin being tested and
the shell of the plug (ground).
To test a lead with banana plugs, connect each end into the red and black marked
banana jacks below the rotary switch. A tone sound if there is a good connection.
Using two separate cables as probes, this function can be used as a continuity
tester.
TRS Jack
1 = sleeve
2 = tip
3 = ring
1/4" TS Mono to 1.4" Mono
1 Sleeve
2 Tip
3 Ring
Shorted with sleeve
1/4" TRS to 1.4" TRS
1 Sleeve
2 Tip
3 Ring
XLR Balanced to XLR Balanced
Pin 1
Pin 2
Pin 3
1 = -1
2 = +1
3 = -2
4 = +2
1 Sleeve, 3 Ring
2 Tip
1 Sleeve, 3 Ring
1 Sleeve
2 Tip
3 Ring
Pin 1
Pin 2
Pin 3
Speakon (4p/8p)
5 = -3
6 = +3
7 = -4
8 = +4
XLR Unbalanced to XLR Unbalanced
1/4" TS Mono to XLR Unbalanced
3
Phono (RCA)
Pin 1
Pin 2
Pin 3
1 Sleeve
2 Tip
3 Ring
Shorted with sleeve
1/4" TRS to XLR Balanced
1 Sleeve
2 Tip
3 Ring
1 = screen
2 = hot
Pin 1, Pin 3
Pin 2
Pin 1, Pin 3
Pin 1, Pin 3
Pin 2
Pin 1, Pin 3
Pin 1
Pin 2
Pin 3

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