|(Thanks to Joan Allens)
||(thanks to Gaz, Detecting Wales)
||(thanks to MartinG21,
Metal Detecting Forum
Davieb1974, Detecting Scotland)
|The E-Trac's discrimination is second to
none, but you do have to throw it a bone (for people who
like it quiet-ish), either by running a matchstick line
of discrimination along the bottom of the screen in the
quick mask (a la Des Dunne) or by editing the relic
screen and making a custom fallen over backward L shaped
With this program if you get a two way signal you dig,
hammies, small conductive etc will give you a low tone,
large silver, Viccy pennies etc will give a high pitched
smooth tone. Large iron will also give a high tone
but it will shriek and warble rather than be smooth.
A SLOW SWEEP SPEED IS ESSENTIAL WITH ANY FBS MACHINE
WHEN AMONGST AN IRON INFESTED PATCH OF GROUND.
Slow and Low is the way to go!!!!
|Dig the high tones.....ignore the
low tones......if you get a warbly mixed high & low
tone at 90 degree angles....dig it.........high tone
one way and a low tone at 90.....it's iron........
chirp a lot and testing indoors is almost
impossible, outdoors is better but it sings when you
go over a good find and after a while you get used
to it, use headphones with a volume control knob as
the good stuff has a good long tone and is crisper
discuss the discrimination pattern first. It's quite
Set your screen up in All Metal first. Then go into
'edit pattern' and black out on the very top line
FER 01 CO 01 to FER 01 CO 37. Leave FER 01 CO 38 to
48 open and black out FER 01 CO 49 & 50.
Why I hear you ask!
Here's the theory...well it's more than a theory
because I'm personally convinced!!
On the ETrac, large deep iron will false and 'wrap'
around the FE scale from FER35 to FER01. By masking
out this line, it will quieten the machine down as
on sites with loads of iron, this will confuse you
and interrupt your routine as it will keep giving
you 'blippy' high tones which you'll chase around.
By leaving out FER 01 CO 38 - 48, you'll still pick
up large silver targets which sometimes appear in
Again, many people will have opinions on this but
this is mine!
So, that's the pattern.
This is really up to the user. Me?, I generally use
Auto +3 and find it always ranges quite high where I
As of yet, nobody has given me any technical reason
why Manual is better than Auto +3. They just say "It
is". It has something to do with the way the 3
separate channels work I suspect.
I like Auto +3 because it always runs the ETrac
properly letting me pick out signals without it
popping and chirping. I think people miss many
targets by running too hot.
Don't listen to the 'Max it out' brigade. You don't
Threshold Limit: 15 (This is good for my ears but is
up to you)
Volume Limit:30 (Keep this at factory preset of 30)
Volume Gain:25 (The preset is 24. This basically
enhances deep, faint signals so you can hear 'em
better. I used to max this
out on 30 but I felt it was amplifying the ground
too much and was getting a bit 'blippy')
Response:Normal (I like this the most as it give a
generally nice and crisp target sound)
Tone ID: No. of tones - 2 (Will give a high and low
Sounds - Ferrous (Will spilt the screen horizontally
for tones) (FER 01 - 17 HIGH, FER 18 - 35 LOW)
Variability - 30 (doesn't effect us really!)
Limits - 30 (ditto)
Threshold pitch:15 (This is good for my ears)
Recovery Deep: On (This just enhances the deep,
Recovery Fast: Off (Yanks use this in high trash
ball park situations really. It helps to stop two
close targets blending as
one target. Some argue with the faster CPU, you can
have these both on together but people tend
not to. You deffo didn't have them both on with the
Trash Density: Low
Ground: Difficult (Okay, people will say that the
jury is still out on this one. Tests were done with
a large silver full crown
coin. For some reason, Neutral had some issues
picking it up. Switching to Difficult made it blast
That was enough reason for me so it stays on
All other settings are personal preference.
So, switch on, Noise cancel and away you go. Dig ALL
high tones and ignore the low tones.
Turn your headphones down a fraction and 'tune in'.
I guarantee, after a short time, you'll get used to
the low grunts and be picking out the smallest of
high tones for further investigation.