54
78-8130-6151-8 Rev G
19. Other Applications
A. Aerial Faults (Toning)
Transmitter Setup
1. Connect the transmitter (based on type of fault) as described in Connection
Diagrams in the following section.
2. Press and hold
off
[T-1] to perform a battery test.
3. Press
on: Ohm-meter/Fault Locate/Tone
[T-2] to turn the Transmitter on and to
verify the fault.
4. Press
on: Ohm-meter/Fault Locate/Tone
[T-2] twice more to select the Tone mode.
5. The
Digital Display
[T-4] will alternately flash between 577 and 133K.
6. Press
Output Level
[T-5] for high or maximum output power level.
Receiver Setup
1. Press
On/Off (Power)
[1] to turn the Receiver on.
2. Press
Locate/OK
[5]
3. Press
Tone/Ext
[SK] to select Tone mode.
4. Press
Freq
[SK Toggle] to select 577Hz.
5. Connect a toning coil to the receiver
External Jack
[14] ([13] on 3M™ Dynatel™
Advanced Locator 2250M Receiver).
6. Move the toning coil along the cable and find a peak signal then press
Gain
[4]
down to adjust the receiver gain.
7. Press
Speaker Volume Control (Spkr/Xpand)
[2] to adjust the speaker volume as
needed.
8. Follow the cable with the toning coil.
− When the receiver detects a short, cross, or ground fault (Connection Diagram
Figures #1, #2, or #3), the audio and Signal Strength [10] will stop or drop off
sharply.
−
When the receiver detects a split (Connection Diagram Figure #4) the audio and
Signal Strength [10] will increase significantly.
−
When verifying a split (Connection Diagram Figure #5) the audio and Signal
Strength [10] will decrease after the toning coil has passed the split.
Connection Diagrams
Short:
Red clip to Tip; Black clip to ring.
Figure 1