Garrett Metal Detectors GTAx 550 Radar Detector User Manual


 
You can also watch the Upper Scale illuminate from
right to left to indicate signal strength. The maximum
reading attained toward the left will indicate exact
target location.
Coin Depth Measurement
Pinpoint targets as directed above. After completing
the pinpoint operation (maximum reading on the
Upper Scale) and while still pressing the Pinpoint
touchpad, check the Lower Scale to determine
coin depth in inches. You will notice that coin depth
always indicates the shallowest (most accurate)
reading even though subsequent scans across the
target, off center, show greater depth on the Lower
Scale.
Since the final step in recovery usually entails
digging, you will want to develop your own method(s)
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When Pinpoint button is held down, the lower scale indicates
the target's depth in inches.