Listen Button
Press Listen. The DLD audio processor turns on and listens for sound from the accelerometer.
Volume Button
Press Volume. Volume level range is 1 to 29. (Default is 15.)
To select the desired volume:
• Press once to increase the sound by one step.
• Hold down the Volume button to increase DLD volume to the desired level.
Power Management
The DLD automatically turns off if a button is not pressed for 90 seconds.
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Filters Button
Press the Filters button to select the desired precision filter setting:
| • |
SEr |
Service lines |
| • |
Con |
Hydrants, valves, etc. |
| • |
SUr |
Survey work (default) |
| • |
OPn |
No filter settings |
| • |
Gnd |
Ground listening all surfaces
(asphalt, soil, etc.) |
DLD Settings
| Setting |
Frequency (Hz) |
| Open |
100 - 1800 |
| Ground |
100 - 400 |
| Service |
250 - 800 |
| Contact |
300 - 1800 |
| Survey |
150 - 750 |
Leak Analysis
While listening, the LCD shows the Leak Analysis number (the detected leak sound level).
Pressing Listen again, resets the Leak Analysis number. |
DLD Audio Processor Connections
2. Accelerometer
3. Battery door
(requires 2 AA alkaline batteries)
Ground Spike/Probe Assembly |
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1. Headphone Jack
DLD Ground Listening
Stick Assembly |
