19. Additional Applications

A. Aerial Faults (Toning) (3MDynatelModels 2573 and 2573-iD only)

Transmitter Setup

Step 1. Connect the transmitter (based on type of fault) as described in Connection Diagrams in the following section.

Step 2. Press and hold off [T-1] to perform a battery test.

Step 3. Press on: Ohm-meter/Faul Locate/Tone [T-2] to power the Transmitter on and to verify the fault.

Step 4. Press on: Ohm-meter/Faul Locate/Tone [T-2] twice more to select the Tone mode.

Step 5. The Digital Display [T-4] will alternately flash between 577 and 200K. Step 6. Press Output Level [T-5] for high or maximum output level.

Receiver Setup

Step 1. Press On/Off [1] to turn the receiver on. Step 2. Press Menu/OK [5:Toggle to MAIN MENU] Step 3. Press Tone/Ext [SK] to select Tone mode. Step 4. Press Freq [SK Toggle] to select 577Hz.

Step 5. Connect a toning coil to the receiver External Jack [15] ([14] for 2550 locator).

Step 6. Move the toning coil along the cable and find a peak signal then press Gain [3] down to adjust the receiver gain.

Step 7. Press Speaker Volume Control [13] ([12] for 2550 locator) to adjust the speaker volume as needed.

Step 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 [9] ([8] for 2550 locator) will stop or drop off sharply.

−− When the receiver detects a split (Connection Diagram Figure #4) the audio and Signal Strength [9] ([8] for 2550 locator) will increase significantly.

−− When verifying a split (Connection Diagram Figure #5) the audio and Signal Strength [9] ([8] for 2550 locator) will decrease after the toning coil has passed the split.

78-9000-0192-2 Rev C

59

Page 59
Image 59
3M 2550, 2573 manual Additional Applications, Transmitter Setup