What iron bias do you guys normally run?
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  1. #1
    Charter Member
    us
    I'm a greater believer in luck, and I find the harder I work the more I have of itĒ ― Thomas Jefferson

    Apr 2016
    Abita Springs La....Born in New Orleans
    EQUINOX 800
    11,072
    23747 times
    Metal Detecting

    What iron bias do you guys normally run?

    Iíve been running 2 but I just saw a video that recommends 0. Just curious

  2. #2
    gb
    I'm the best eva, the most vicious brutal champion eva.

    Oct 2014
    S.Wales UK
    Equinox 800. Deteknix Pi Pinpointer
    387
    431 times
    Beach and Shallow Water Hunting
    On the beach default is 6....but i am unsure...so i either choose in the middle (3) 99% of the time or 0.

    I say to myself...if in doubt...dig it out...lol

    Matt.
    vpnavy likes this.

  3. #3
    Charter Member
    us
    sprailroad

    Jan 2017
    Grants Pass, Oregon
    Garrett A3B United States Gold Hunter, GTA 1000, AT Pro, Discovery Treasure Baron "Gold Trax", Minelab X-Terra 70, Safari, & EQ 800.
    2,027
    2972 times
    All Types Of Treasure Hunting
    Good question. So, does the "iron bias" run in the same way as in say the AT Pro? Increase/decrease the amount canceled out? and if running in "All metal", I don't know, can Iron Bias still be used somehow, or is a default setting of 0 in play. Just wondering while in my third month of waiting for the 800. Just an added note, at the last metal detecting club meeting, we had a fella who deals detectors and had brought a EQ 800 along, and as members asked questions about it, seems I kept popping in with answers etc. about features and operation, and I then thought, how do "I" have so many answers, for something I haven't even used yet, A HA! I thought, TREASURE NET! Reading so many of the post you guys have posted out there, YOU fella's made me look pretty good.
    Last edited by sprailroad; Jun 21, 2018 at 05:40 AM.

  4. #4
    gb
    I'm the best eva, the most vicious brutal champion eva.

    Oct 2014
    S.Wales UK
    Equinox 800. Deteknix Pi Pinpointer
    387
    431 times
    Beach and Shallow Water Hunting
    Quote Originally Posted by sprailroad View Post
    Good question. So, does the "iron bias" run in the same way as in say the AT Pro? Increase/decrease the amount canceled out? and if running in "All metal", I don't know, can Iron Bias still be used somehow, or is a default setting of 0 in play. Just wondering while in my third month of waiting for the 800. Just an added note, at the last metal detecting club meeting, we had a fella who deals detectors and had brought a EQ 800 along, and as members asked questions about it, seems I kept popping in with answers etc. about features and operation, and I then thought, how do "I" have so many answers, for something I haven't even used yet, A HA! I thought, TREASURE NET! Reading so many of the post you guys have posted out there, YOU fella's made me look pretty good.
    Yup...this forum and its members to play a huge part in 99% of any detecting knowledge I have.

    Matt.
    sprailroad and Truth like this.

  5. #5
    us
    Feb 2012
    NW Indiana
    NOx 800, ETrac, X1, AT Pro
    502
    303 times
    All Types Of Treasure Hunting
    IB settings offered on the 800 are 0 to 9. The factory modes all have IB pre set but can be changed to allow the user to customize each mode per site conditions. While your waiting for the Nox I'd find the manual online and study it. There's a lot going on with this machine that even previous ML owners have a bit of a learning curve to overcome.
    sprailroad likes this.
    Equinox 800, ETrac, Sunray X1, Pro/Ultimate/SEF 8x6 - AT Pro

    Career Silver #44
    Vintage Coins
    No date- Draped Bust Large Cent(1790-1807)
    1846,ND - Braided Hair Large Cent
    1896s - Barber Half
    1905 - Barber Quarter
    1912,1913 - Barber Dime
    1875s,1887 - Seated Dime
    1900,1911,1911 - V Nickel
    ND,1915, 1935,1936 - Buffalo
    1864,1907 - Indiana Head
    1858 - Flying Eagle

  6. #6
    us
    May 2014
    Wilmington NC
    Nox 600; CTX; Fisher CZ21; Minelab Excalibur II; White's Surf PI DF; 920i Stealth Scoop
    626
    519 times
    Beach and Shallow Water Hunting
    In the beach modes, I am setting the iron bias to 0.

    The iron bias on the CTX is set to 9 and cannot be changed, which causes little falsing. Iron bias can cause more falsing, thus a lower setting is something that should be used as you get more experienced and learn how to use it.

    Do some home tests on various objects setting it on zero vs the highest settings. I noticed that on the highest settings I was passing over a gold ring next to a nail but on zero I could clearly detect it. Thus the zero setting is what I use and I don't notice a difference in falsing like I do with the RS setting. This is one of the reasons you can 'possibly' detect things not seen on other detectors.

    One thing that is interesting is that the iron bias default on beach modes is 6 on the 800 and 4 on the 600 meaning that out of the box on default settings the 600 should do better on my beaches.
    Last edited by adamBomb; Jun 21, 2018 at 07:42 AM.
    sprailroad likes this.

  7. #7
    gb
    I'm the best eva, the most vicious brutal champion eva.

    Oct 2014
    S.Wales UK
    Equinox 800. Deteknix Pi Pinpointer
    387
    431 times
    Beach and Shallow Water Hunting
    Quote Originally Posted by adamBomb View Post
    In the beach modes, I am setting the iron bias to 0.

    The iron bias on the CTX is set to 9 and cannot be changed, which causes little falsing. Iron bias can cause more falsing, thus a lower setting is something that should be used as you get more experienced and learn how to use it.

    Do some home tests on various objects setting it on zero vs the highest settings. I noticed that on the highest settings I was passing over a gold ring next to a nail but on zero I could clearly detect it. Thus the zero setting is what I use and I don't notice a difference in falsing like I do with the RS setting. This is one of the reasons you can 'possibly' detect things not seen on other detectors.

    One thing that is interesting is that the iron bias default on beach modes is 6 on the 800 and 4 on the 600 meaning that out of the box on default settings the 600 should do better on my beaches.
    4 on the 600 is equivalent to 6 on the 800.

    Matt.
    sprailroad likes this.

  8. #8
    Charter Member
    us
    Jul 2015
    Near Ground Zero for Insanity
    XP Deus with HF Coils and Mi6 Pinpointer/ML Equinox 600/800/ML GPX 4800/Garrett ATX/Fisher F75 DST/Tek Delta/Whites MXT/Garrett Carrot/Piranha Relic Shovel
    4,177
    6616 times
    All Types Of Treasure Hunting
    Since I primarily relic hunt, I like to generally run wide open - All Metal/no disc (have disc setup normally but use All Metal [horseshoe] button to cancel it out, that way I can cut it back in instantly, if desired), no iron bias. Iron bias is just another filter that generally gets in the way as far as I am concerned because it can mask high conductors in thick iron. Yes, there will be more iron falsing, but I have not found iron bias to do that much to mitigate it and frankly if you are running All Metal, you can hear the iron grunts in concert with the high tones which are generally a dead giveaway to targets like crown caps and nail heads that will give mixed tones (i.e., a ferrous component and a non-ferrous component). If I am doing casual coin shooting in a park that is relatively devoid of ferrous junk, I will readily use Park 1 at the defaults (which includes iron bias of 6 (EQX 800) by default), because iron bias does not affect depth, only separation, so no harm - no foul and I am too lazy to change it just for a park run. Same for the beach, unless the beach has a lot of ferrous junk that COULD mask (I am not talking about bobby pins here), then I will leave iron bias at the default and decide based on bottle cap density whether I am going to run ALL METAL or DISC.
    Last edited by vferrari; Jun 21, 2018 at 08:19 AM.
    "The future ain't what it used to be..."

  9. #9
    Charter Member
    us
    Jul 2015
    Near Ground Zero for Insanity
    XP Deus with HF Coils and Mi6 Pinpointer/ML Equinox 600/800/ML GPX 4800/Garrett ATX/Fisher F75 DST/Tek Delta/Whites MXT/Garrett Carrot/Piranha Relic Shovel
    4,177
    6616 times
    All Types Of Treasure Hunting
    Quote Originally Posted by staffydog33 View Post
    On the beach default is 6....but i am unsure...so i either choose in the middle (3) 99% of the time or 0.

    I say to myself...if in doubt...dig it out...lol

    Matt.
    Quote Originally Posted by adamBomb View Post
    In the beach modes, I am setting the iron bias to 0.

    [snip]

    One thing that is interesting is that the iron bias default on beach modes is 6 on the 800 and 4 on the 600 meaning that out of the box on default settings the 600 should do better on my beaches.

    Quote Originally Posted by staffydog33 View Post
    4 on the 600 is equivalent to 6 on the 800.

    Matt.
    Matt, you are correct that there are 4 levels of iron bias on the 600, but they are 0, 1, 2, 3 with 0 (off) corresponding to 0 (off) on the 800, 1 (600) to 2 (800), 2 (600) to 4 (800), and 3 (600) to 6 (800). So the "middle" setting on the 600 is Iron Bias 2. (Equinox Manual p. 52)

    The default IB setting for beach mode on the 600 is 2 and on the 800 it is 6 (which corresponds to 3 on the 600 but the 600 default beach setting is 2). IB has levels 7 and 8 and 9 on the 800 which are higher than the max setting of 3 on the 600 (again, 3 is equivalent to 6 on the 800).

    All of this is on p. 52 of the Equinox manual. HTH
    Last edited by vferrari; Jun 21, 2018 at 08:22 AM.
    "The future ain't what it used to be..."

  10. #10
    us
    May 2014
    Wilmington NC
    Nox 600; CTX; Fisher CZ21; Minelab Excalibur II; White's Surf PI DF; 920i Stealth Scoop
    626
    519 times
    Beach and Shallow Water Hunting
    Quote Originally Posted by vferrari View Post
    Matt, you are correct that there are 4 levels of iron bias on the 600, but they are 0, 1, 2, 3 with 0 (off) corresponding to 0 (off) on the 800, 1 (600) to 2 (800), 2 (600) to 4 (800), and 3 (600) to 6 (800). So the "middle" setting on the 600 is Iron Bias 2. (Equinox Manual p. 52)

    The default IB setting for beach mode on the 600 is 2 and on the 800 it is 6 (which corresponds to 3 on the 600 but the 600 default beach setting is 2). IB has levels 7 and 8 and 9 on the 800 which are higher than the max setting of 3 on the 600 (again, 3 is equivalent to 6 on the 800).

    All of this is on p. 52 of the Equinox manual. HTH
    Yes i was just using equivalent to 800 so it wasnt confusing lol

    The default on the 800 is 6.

    The default on the 600 is 2 (4 on the 800)

    Thus the default on the 600 is set lower
    Last edited by adamBomb; Jun 21, 2018 at 08:59 AM.
    vferrari likes this.

  11. #11
    Charter Member
    us
    Jul 2015
    Near Ground Zero for Insanity
    XP Deus with HF Coils and Mi6 Pinpointer/ML Equinox 600/800/ML GPX 4800/Garrett ATX/Fisher F75 DST/Tek Delta/Whites MXT/Garrett Carrot/Piranha Relic Shovel
    4,177
    6616 times
    All Types Of Treasure Hunting
    Quote Originally Posted by adamBomb View Post
    Yes i was just using equivalent to 800 so it wasnt confusing lol
    Gotcha! You and Matt were both saying 4 so I got confused. Lol.
    adamBomb likes this.
    "The future ain't what it used to be..."

  12. #12
    Charter Member
    us
    sprailroad

    Jan 2017
    Grants Pass, Oregon
    Garrett A3B United States Gold Hunter, GTA 1000, AT Pro, Discovery Treasure Baron "Gold Trax", Minelab X-Terra 70, Safari, & EQ 800.
    2,027
    2972 times
    All Types Of Treasure Hunting
    I feel an iron migraine coming on.
    Truth likes this.

  13. #13
    us
    Feb 2012
    NW Indiana
    NOx 800, ETrac, X1, AT Pro
    502
    303 times
    All Types Of Treasure Hunting
    Quote Originally Posted by vferrari View Post
    Since I primarily relic hunt, I like to generally run wide open - All Metal/no disc (have disc setup normally but use All Metal [horseshoe] button to cancel it out, that way I can cut it back in instantly, if desired), no iron bias. Iron bias is just another filter that generally gets in the way as far as I am concerned because it can mask high conductors in thick iron. Yes, there will be more iron falsing, but I have not found iron bias to do that much to mitigate it and frankly if you are running All Metal, you can hear the iron grunts in concert with the high tones which are generally a dead giveaway to targets like crown caps and nail heads that will give mixed tones (i.e., a ferrous component and a non-ferrous component). If I am doing casual coin shooting in a park that is relatively devoid of ferrous junk, I will readily use Park 1 at the defaults (which includes iron bias of 6 (EQX 800) by default), because iron bias does not affect depth, only separation, so no harm - no foul and I am too lazy to change it just for a park run. Same for the beach, unless the beach has a lot of ferrous junk that COULD mask (I am not talking about bobby pins here), then I will leave iron bias at the default and decide based on bottle cap density whether I am going to run ALL METAL or DISC.
    In your comments you mention iron bias not affecting depth. I was under the impression it was just another filter and did effect depth. Just did an air test (n I hate air test) but your absolutely right. Thats a good thing to know and I didn't catch that tid bit in the manual...so thanks. The other question I have is ...Are youy beach hunting salt or fresh? If fresh water are you using adjusted beach modes or Park/Field modes in the water and dry to wet sand?
    vferrari and sprailroad like this.
    Equinox 800, ETrac, Sunray X1, Pro/Ultimate/SEF 8x6 - AT Pro

    Career Silver #44
    Vintage Coins
    No date- Draped Bust Large Cent(1790-1807)
    1846,ND - Braided Hair Large Cent
    1896s - Barber Half
    1905 - Barber Quarter
    1912,1913 - Barber Dime
    1875s,1887 - Seated Dime
    1900,1911,1911 - V Nickel
    ND,1915, 1935,1936 - Buffalo
    1864,1907 - Indiana Head
    1858 - Flying Eagle

  14. #14
    Charter Member
    us
    I'm a greater believer in luck, and I find the harder I work the more I have of itĒ ― Thomas Jefferson

    Apr 2016
    Abita Springs La....Born in New Orleans
    EQUINOX 800
    11,072
    23747 times
    Metal Detecting
    Quote Originally Posted by sprailroad View Post
    I feel an iron migraine coming on.
    You gotta get your iron )
    sprailroad likes this.

  15. #15
    Charter Member
    us
    Jul 2015
    Near Ground Zero for Insanity
    XP Deus with HF Coils and Mi6 Pinpointer/ML Equinox 600/800/ML GPX 4800/Garrett ATX/Fisher F75 DST/Tek Delta/Whites MXT/Garrett Carrot/Piranha Relic Shovel
    4,177
    6616 times
    All Types Of Treasure Hunting
    Quote Originally Posted by hunter_46356 View Post
    In your comments you mention iron bias not affecting depth. I was under the impression it was just another filter and did effect depth. Just did an air test (n I hate air test) but your absolutely right. Thats a good thing to know and I didn't catch that tid bit in the manual...so thanks. The other question I have is ...Are youy beach hunting salt or fresh? If fresh water are you using adjusted beach modes or Park/Field modes in the water and dry to wet sand?
    I primarily hunt saltwater beaches so I use Beach 1 in wet sand (anything on dry, but usually just run Beach 1) and Beach 2 in the surf/water. I plan on doing some freshwater hunting this summer and will use non-beach modes because freshwater beaches (at least in the water or if rivers/streams) will likely have some level of mineralization. If the beach modes sense minerlization (e.g., black sand) then they will automatically cut back on transmit power to prevent the black sand from overloading the machine. I can see where that is needed to let the machine run stable in saltwater, but I think it is unnecessary in freshwater and may unnecessarily limit depth, so I will likely run anything but beach in freshwater. The other minor disadvantage of running beach in freshwater, is that beach is limited to MultiIQ only, and I like the flexibility to be able to run single frequency, if necessary, though I rarely ever do run single. HTH.
    sprailroad and hunter_46356 like this.
    "The future ain't what it used to be..."

 

 
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