Charles Machine Works Inc The 2450GR ユーザーズマニュアル

1. Press the FITTING button (2), then Use the UP and DOWN buttons (3) to adjust the curve to match the 

hyperbolas. This sets the correct propagation speed to accurately calculate object depth. 

2. Select an icon to label the type of pipe you suspect.  

3. Press GROUND TRUTH SKETCH (1) to note exact depth of cable or pipe, if known. This information 

is obtained from outside sources such as technical maps, by opening manhole covers, or by potholing.

4. To continue scanning, move 2450GR in original direction. 

IMPORTANT: The GPR system does not identify what type of pipe or cable is buried. This 
information can be determined from opening manholes or consulting technical maps.