Gpr Sensitivity; Setting The Gpr Sensitivity - Minelab MDS-10 Operation Manual

GPR Sensitivity

GPR Sensitivity should be adjusted as needed to reduce false target signals
in more difficult grounds.
The GPR Sensitivity setting has a range from 1 (low)
to 10 (high) with a default setting of 6.
Increasing sensitivity will increase the likelihood
that targets (and clutter) will cause audio
feedback and overlay highlights on the display.
This is done according to a specific profile that
increases with depth. Deeper targets will be
amplified more relative to shallow targets as
sensitivity is increased.
To avoid missing targets, always set the sensitivity
to the highest setting which does not give
excessive false signals (audio, visual, or vibration)
when the Sensor Head is swung over ground that
is free of targets. This setting will depend on the
ground being searched and other conditions,
such as soil moisture content.
The GPR Sensitivity level is displayed visually in
the LCD Status Bar at all times when the GPR
Sensor is enabled.

Setting the GPR Sensitivity

1. Ensure that the GPR Sensor is enabled, and the
Detect Screen is active.
2. Short‑press the GPR button to display the GPR
Sensitivity adjustment bar and value.
The GPR
button
It is the responsibility of the Operator to test and ensure that the chosen GPR Sensitivity setting
is safe and correct before beginning operations.
The GPR Test Target or FFE (Free From Metal) target should be buried and then detected to confirm
the suitability of GPR Sensitivity settings. (See GPR Test Target Procedure on page 23).
The GPR Sensitivity
adjustment bar and
value
The GPR Sensitivity Level
Indicator in the Status Bar
When viewing the Setup Pages or when adjusting
the GPR Sensitivity, the sensitivity level is
displayed as a vertical gauge.
There is a default setting marker at level 6 to
indicate the default sensitivity position.
3. While sweeping the Sensor Head over ground
that is free of targets, use the Plus (+) button
to increase the Sensitivity level until false
signals begin to occur.
4. Reduce the Sensitivity level by pressing the
Minus (–) button, just enough that these false
signals disappear.
Note: The Sensitivity adjustment bar will time‑out
(disappear) after 3 seconds of inactivity.
GPR Overview | 39