3M 2250E, 2273E manual Cable or Pair Identification, Cable Identification

CABLE OR PAIR IDENTIFICATION

Transmitter Setup

Transmitter setup is the same to identify cables or pairs; however, Receiver setups are different. Perform a battery test; then with the transmitter off, connect the Dyna-Coupler to the Transmitter front panel jack using the coupler cable.

Note: Cable Identification requires two Dyna-Couplers: one at the Transmitter and one at the Receiver.

Clamp the Dyna-Coupler around the cable or both and tip and ring of a pair and make sure the jaws fully close.

Press to turn the Transmitter on and then twice more to select the

Tone mode .

Press to change the high output level.

CABLE IDENTIFICATION

Receiver Setup

Press to turn the Receiver on.

Press to select Tone mode .

Connect a second Dyna-Coupler to the Receiver accessory jack using the earth frame cable or another coupler cable.

Press to select the highest toning frequency (133 kHz). Check the first cable in the group by clamping the Dyna-Coupler around the cable.

Press and observe the numeric display, which is relative signal strength. Remember the number and continue by clamping the Dyna- Coupler around the next cable in the group. If the signal strength is greater

than the previous observation, press . If the signal strength is less than before, ignore it. After checking all the cables in the group, the cable with the highest reading is the one being identified.

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