Minelab 4901 - 0059 Metal Detector User Manual


 
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Volume is the level of sound emitted by
the detector when a target is detected.
The Volume control limits the maximum
volume of target signals.
The sound produced by a distant target
starts softly. As you get closer, the volume
level increases rapidly until it reaches the
maximum level that has been set.
The sound produced by the detector
in Pinpoint or Ground Balance will vary
in volume and tone depending on the
signal strength (from a target or ground
mineralisation). This volume range is
proportional to the maximum volume
setting.
Speaker/Headphone Volume
The X-Terra 70 is able to save separate
settings for both the speaker volume
and headphones volume, switching from
one to the other automatically as the
headphones are connected
(Accessories, pg. 50).
Set the speaker volume without
headphones connected. Set the
headphones volume with the
headphones connected. Use the simple
detecting exercise (pg. 16) with different
targets to confirm both the speaker and
headphones volume settings.
VOLUME
ADJUSTING VOLUME
Press MENU SELECT and choose Volume.
Use the + and buttons to adjust the
Volume limit.
Press PINPOINT DETECT, to return to
detection.
When the detector battery is low
(indicated by the low battery icon)
the speaker volume limit will be
automatically reduced. This saves battery
power and extends detecting time.
You may choose to override this and
increase the volume limit, but you then
risk the detector shutting down sooner.
Target #1
Target #2
Audible Target Response
Volume
=
Target #1
Target #2
Audible Target Response
Volume
=
Threshold
When Volume and Threshold settings are used together,
there is greater control over target audio response.
Threshold