DLD Operating Instructions Training

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.

The DLD automatically turns off if a button is not pressed for 90 seconds.

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.)

Setting     Frequency (Hz)
Open     100 - 1800
Ground     100 - 400
Service     250 - 800
Contact     300 - 1800
Survey     150 - 750

While listening, the LCD shows the Leak Analysis number (the detected leak sound level).

Pressing Listen again, resets  the Leak Analysis number.