User's Manual

40 300SR/ST - OPERATION
LOCATE LINE: PASSIVE LOCATION
40 300SR/ST - OPERATION
LOCATE LINE: PASSIVE LOCATION
Technique
Survey the Site
Make a visual check of the site for signs of buried lines such as:
• recent trenching
• buried line markers
• overhead lines that run down poles and underground
• gas meters
• valve sights
• drains or manhole covers
Sweep the Site
Search the site by walking a grid
pattern while holding receiver
close to the ground.
IMPORTANT: Keep the receiver
vertical.
Focus the Signal
Move the receiver over the detected signal to find the strongest
signal response. If using peak antenna mode, rotate the receiver
until the signal is strongest. Strongest signal indicates line
direction.
Technique
Survey the Site
Make a visual check of the site for signs of buried lines such as:
• recent trenching
• buried line markers
• overhead lines that run down poles and underground
• gas meters
• valve sights
• drains or manhole covers
Sweep the Site
Search the site by walking a grid
pattern while holding receiver
close to the ground.
IMPORTANT: Keep the receiver
vertical.
Focus the Signal
Move the receiver over the detected signal to find the strongest
signal response. If using peak antenna mode, rotate the receiver
until the signal is strongest. Strongest signal indicates line
direction.