THRESHOLD
ALL METAL ONLY
This setting is used to adjust the humming sound, referred to as the threshold sound,
which is continuously heard in the background in the All Metal mode. It is used to increase
the target signal, in other words, the depth of the device. For more details, please read
Gain, Threshold and iSAT section.
AUDIO TONE
PREFERENCES
Allows you to change the target warning tones and the threshold sound according to your
preference. For each metal group (Fe, Gold/Non-Fe, Non-Fe) the frequency can be adjusted
between 100 Hz (10) and 700 Hz (70).
When AUDIO TONE is selected in the menu, names of the metal groups mentioned above
will appear at the bottom of the screen and the selected one will be framed. To select
another group, just pull the trigger once. Then use the plus (+) or the minus (-) button to
change the frequency.
iSAT
For the All Metal mode to perform accurately, a stable threshold sound is necessary.
Changes in mineralization and soil structure may cause a rise or fall in the background hum
and disrupt the threshold's stability which will result in losing signals of small metals. iSAT
feature maintains the steadiness of the threshold by adjusting the speed the device
recovers its threshold sound.
iSAT consists of 10 levels . The device will start at level 4. It is recommended that iSAT
should be increased in high-mineralization and decreased in low mineralization. For more
details, please read Gain, Threshold and iSAT section.
TRACKING
Although the Tracking feature appears under the ALL METAL mode settings, it is actually a
common feature to all modes so when it is turned on, it becomes active in all modes. The
reason it appears under the ALL METAL mode settings is that the use of tracking is
recommended in the ALL METAL mode and not in the discrimination modes.
When tracking is active (01 position), the device continuously tracks the changing ground
structures and automatically reconfigures the ground balance setting. The invisible
changes in ground affects the detection depth as well as the discrimination ability of the
device so it is possible to operate the device at higher performance using this feature
under suitable ground conditions. Please refer to page 25 for more information on
TRACKING.
When TRACKING is activated, ''Tracking'' will be displayed in the GROUND PHASE box at
the upper right corner of the screen.
Page 10
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