3M 2273M User Manual
78-8130-6150-0 Rev G
57
2. Clamp the 3M
™
Dyna-Coupler around the cable or both the tip and ring of a pair.
Make sure the jaws fully close.
3. Press and hold off [T-1] to perform a battery check.
4. Press on: Ohm-meter/Fault Locate/Tone [T-2] three times to set the transmitter to
4. Press on: Ohm-meter/Fault Locate/Tone [T-2] three times to set the transmitter to
Tone mode.
− The indicator flag will light in the Digital Display [T-4] under the Tone icon.
5. Press Output Level [T-5] for high or maximum output power level.
− The indicator flag will light in the Digital Display [T-4] above the Output Level
icon when in high output power level and flash when in maximum output power
level.
− The Digital Display [T-4] will alternately flash between 577 and 200K.
2. Receiver Setup
1. Press On/Off (Power) [1] to power the receiver on.
2. Press Locate/OK [5].
3. Press Tone/Ext [SK] to select Tone mode.
4. Connect a second coupler to the receiver’s External Jack [14] ([13] on 2250M)
2. Press Locate/OK [5].
3. Press Tone/Ext [SK] to select Tone mode.
4. Connect a second coupler to the receiver’s External Jack [14] ([13] on 2250M)
using the Earth Contact Frame cable (4 ft. (1.2 m) cable) or another coupler cable.
5. Press Freq [SK Toggle] to select the highest transmitter frequency (200K).
6. Check the first cable in the group by clamping the coupler around the cable. Make
6. Check the first cable in the group by clamping the coupler around the cable. Make
sure the jaws fully close.
7. Press Gain [4] down and observe the numerical Signal Strength [10].
8. Remember the signal strength value and continue by clamping the coupler around
8. Remember the signal strength value 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
[4] down.
− If the Signal Strength [10] is less than before, ignore it.
− After checking all the cables in the group, the cable with the highest Signal
Strength [10] reading is the target cable.
20. Help Mode
Menu [6] + >>More [SK:4] + Help [SK:8]
The help display contains basic information about the unit and its operation. It is
designed to be a quick reference guide.
• Press the double up/down arrows [SK] to navigate between sections.
• Press the double up/down arrows [SK] to navigate between sections.
− The single up/down arrows [SK] will scroll the display line by line.