GC-35 Control Box Features and Setup
P-32+ and P-32 Operator’s Manual P/ N: 1001547-01
Sonic Tracker 3 (P-32+ System only)
Sonic Tracker 3
allows you to select between two detections modes for the ST-3; Surface Mode or Stringline
mode. These two detection modes change the sensor’s characteristics to optimize the detection zone based on
Surface Mode is used to detect the ground or curb. While in Surface Mode, the grade indicators display the
traditional up/ down and ongrade arrows. The Surface Mode icon displays on the Control Screen (Figure 68).
Stringline Mode is used to detect an elevated stringline. While in Stringline Mode, the grade indicators display
left/ right and centered arrows. The Stringline Mode icon displays on the Control Screen (Figure 68).
If you select Use at pow er up, the Control Box powers up in your chosen setting (Surface or Stringline). I f
not, after shutting down, the Control Box powers up in Surface Mode.
• Display Value Range: Surface, Stringline
• Factory Default: Surface
Figure 68: Sonic Tracker 3 - Surface and Stringline Mode
ST-3 Surface Mode Icon
ST-3 Stringline Mode Icon