Audio Menu - Minelab E-Trac Instruction Manual

Sensitivity Menu
56
Sensitivity
(cont)
Manual Sensitivity
Range: 1–30
Factory Preset: 22
Manual Sensitivity allows you to control
the Sensitivity directly. Manual Sensitivity is
suitable for the beach, nonmagnetic ground
or when there is EMI.
Increasing Manual Sensitivity Level sets each
channel to the Level you select. A High
Sensitivity setting will increase the amount of
false signals and may detect very faint Target
signals. It also tends to reduce the accuracy
of Target IDs.
Decreasing Manual Sensitivity Level sets
each channel to the Level you select. A Low
Sensitivity setting will decrease the amount
false signals and may not detect very faint
Target signals. It also tends to improve the
accuracy of Target IDs.
When changed, the numeric value above the
Sensitivity Gauge will increase or decrease by
the number of steps you select and display
your setting.
To adjust the Manual Sensitivity Level in
the Pattern/Digital Screen:
1 Press the Up Navigation button to
increase Sensitivity.
2 Press the Down Navigation button to
decrease Sensitivity.
To adjust Manual or Auto Sensitivity
via the Menu:
1 Press the Menu button
2 Scroll across to Sensitivity (using the Right
or Left Navigation button)
3 Scroll down to Sensitivity (using the Down
Navigation button)
4 Press either the Left or Right Navigation
button to switch between Manual or Auto
5 Scroll down to either Manual Level or
Auto Level
6 Press either the Left or Right Navigation
button to adjust the level of Sensitivity
7 Press the Detect button to exit the Menu
and resume detecting.
Note: If you experience erratic signals try
reducing the interference with Noise Cancel
before adjusting the Sensitivity. To do this,
press the Noise Cancel button (p. 31), or
manually select the channel with the least
noise via the Expert Menu (p. 75).

audio Menu

The Audio settings control the types and
levels of sounds emitted by the detector
while detecting and when a target is found.
The correct setup of Audio settings, relative to
your current detecting conditions, is vital to
successful detecting.
While setting-up your E-Trac, take the time to
experiment with the Audio settings so that
you become familiar with how they operate
and affect the target audio response.
Minelab recommends using the following
steps as a guide for how to adjust the Audio
settings to best suit your preferences and
detecting conditions.
Note: Threshold Level (pp. 58–9), Volume Limit
(p. 60) and Volume Gain (p. 61) are not included
in these steps as they are all settings that you
will need to change depending on
detecting conditions.
To adjust the Audio settings:
1 Select the Response (Normal, Long, Smooth
or Pitch Hold) (pp. 62–3) according to your
preferences, detection conditions, etc.
2 Select the No. of Tones (Multi, 1, 2 or 4)
(p. 64)
3 Adjust the Threshold Pitch (p. 69)
4 Select the Sounds (Conduct or Ferrous) (pp.
65–6) according to the types of targets you
are searching for.
Detect two targets that produce 'close'
Target IDs (Close CO numbers if Conduct
Sounds is selected, or close FE numbers if
Ferrous Sounds is selected).
5 Adjust the Variability (p. 67) until you
achieve your preferred pitch separation
between the Target IDs.
6 Detect a target with High CO numbers if
Conduct is selected (or high FE numbers
for Ferrous Sounds). If the pitch of the
target audio response is too high for your
hearing, limit it with the Tone ID Limits
setting (p. 68). You can also reduce the
pitch by adjusting Variability.
Tip: Headphones allow you to hear subtle
variations in audio response and lessen exposure
to adverse conditions (i.e. wind), which may
mask sound from the speaker.
Headphones also minimise the disturbance to
other people in the area, and provide greater
battery efficiency than when audio is emitted by
the speaker.
57