Minelab X-Terra 705 Instruction Manual page 23

42
adjusting ground balance
Auto
Using the detector in All Metal, find a clear
area of ground without any targets.
Hold the coil parallel and 4" (10 cm) above
the ground. Select Ground Balance
A constant hum known as the Ground
Balance tone will sound when the coil is
held steady.
Manual
Using the detector in All Metal, find a clear
area of ground without any targets.
Hold the coil parallel and 4" (10 cm) above
the ground. Select Ground Balance
Continuously lower and raise the coil over
the ground and listen to the Ground Balance
tone. Try to lower the coil as close to the
ground as possible without touching it.
If the detector is in Tracking, and
then the Ground Balance is manually
adjusted, Tracking is automatically
de-activated.
Tracking
Tracking Ground Balance follows the changes
in ground conditions and constantly adjusts
the Ground Balance while detecting.
As Tracking Ground Balance constantly updates
the Ground Balance automatically, repeated
passes over a target may result in the detector
balancing to the target instead of the ground,
diminishing the target signal.
It is recommended that Tracking Ground
Balance is toggled off when a target is
detected.
Press Mode to activate Automatic
Ground Balance, and begin to continuously
lower and raise the coil over the ground.
The letters AU will appear and the menu
scale segments will be animated as a
.
progress bar. The detector will automatically
select a Ground Balance setting.
Approximately 2–10 seconds, depending on
soil conditions.
If the tone is low, increase the Ground
Balance setting using +, if the tone is
high, decrease the setting using –. Aim
for a minimum volume and the transition
between a low tone and a high tone. The
.
menu scale and Numeric ID will indicate the
chosen setting.
If the detector makes a sound when the coil
goes down, increase the Ground Balance
setting using +. If the detector makes a
sound when the coil goes up, decrease the
Ground Balance setting using –. Aim for a
minimum volume variation. The menu scale
and numeric ID will indicate the
chosen setting.
Press Tracking to activate Tracking
Ground Balance.
While Tracking Ground Balance is activated,
the Tracking icon and current Ground
Balance value will be displayed. The setting
scale will also become animated.
To de-activate, press Tracking
Once Tracking is pressed, the detector
will track very fast for the first three
seconds. The detector will then continue
to Track at a slower speed until Tracking
is de-activated.
Auto
Manual
Tracking
again.
adjusting ground balance
Low
Minimum
Sound
High
If Ground Balance is
between two numbers, select
the lowest number.
Tracking can be activated in
either the detection or the
Ground Balance screen.
When Pinpoint is
activated, Tracking Ground
Balance is automatically
disabled. When Pinpoint
is deactivated, Tracking
Ground Balance is
automatically re-enabled.
43
4" (10 cm)