Cable Identification - 3M Dynatel 2250M Series Operator's Manual

Cable Identification

Transmitter Setup
Connect the 3M
[T-6] 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 the tip and ring of a
pair. Make sure the jaws fully close.
Press and hold [T-1] to perform a battery check.
Press OHMS/FAULT/TONE [T-2] three times to set the transmitter to
Tone mode.
The indicator flag will light in the display [T-4] under the tone icon.
Press OUTPUT [T-5] for high output level.
The indicator flag will light in the display [T-4] above the output icon.
The display [T-4] will alternately flash between 577 and 200K.
Receiver Setup
Press ON/OFF [1] to turn the receiver on.
Press Locate [5].
Press Tone/Ext [SK] to select Tone mode.
Connect a second coupler to the Receiver's EXTERNAL JACK [13] using
the earth frame cable or another coupler cable.
Press Freq [SK Toggle] to select the highest transmitter frequency (200 K).
Check the first cable in the group by clamping the coupler around the
cable.
Press Gain/Down [4] and observe the numerical signal strength [10].
Remember the number and continue by clamping the coupler around the
next cable in the group.
If the signal strength [10] is greater than the previous observation, press
Gain/Down [4].
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 target cable.
Dynatel Dyna-Coupler to the Transmitter output jack
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