Gpr Skyshot; Gpr Sensor Calibration - Minelab MDS-10 Operation Manual

GPR Skyshot

Skyshot is a calibration to remove the GPR's own radar signature from the
GPR system for clearer imagery and optimum detection performance.
The GPR Sensor requires a Skyshot procedure
before each use, and cannot be operated and no
GPR Imagery (page 43) will be generated until
this is performed.
In addition, a Skyshot should be repeated:
• If the Skyshot icon is flashing on the LCD.
• After each hour of continuous operation,
indicated by the small flashing Skyshot icon.
• After the Sensor Head angle or rotation or shaft
length has been adjusted.
• If the GPR target audio feedback becomes
noisy or;
• If horizontal 'bands' or other visual indications
can be seen in the GPR image with the Sensor
Head raised away from the ground.

GPR Sensor Calibration

The GPR Sensor calibration occurs for
approximately 15 seconds after the MDS‑10 is
powered On. During GPR start‑up calibration,
the first GPR Target Indicator LED will flash. When
the LED stops flashing and remains static on, a
Skyshot can be initiated.
If Skyshot is attempted before the start‑up
GPR calibration is complete (i.e. first GPR Target
Indicator LED is flashing), an invalid button press
tone will sound.
GPR Overview | 37