How To Get Maximum Depth (Repost)

John-Edmonton

Silver Member
Mar 21, 2005
4,400
3,950
Canada
Detector(s) used
Garrett- Master Hunter CX,Infinium, 1350, 2500, ACE 150-water converted 250, GTA 500,1500 Scorpion, AT Pro
* With the AT Pro, learn and hunt in Pro mode. It is deeper then standard mode. With the AT Gold, the all metal mode is deeper then Disc 1 or Disc 2.

* Has a place been hunted out? Go back and try again after a good rain soaking. Moist wet soil gives better sensitivity and greater depth readings for targets.

* If you get a nice high audio and a VDI in the 70's or 80's, dig it.

* The larger the coil the deeper it goes. However, too many targets under a large coil can mask a good target. If you get a slight good audio using the large coil, lift it up 2-3 inches and center the coil where the good audio was. Often times the good target will be much clearer.

* Get a coil cover and scrub the ground. Some people scan the ground inches above it...."DON'T" You can gain a couple of inches scrubbing, which is significant.

* Don't swing too fast! Just because it has a very fast "recovery speed"......doesn't mean it can always pick out that one good silver coin amongst several pieces of junk. The electronics still need to process lots of information.

"SWING TOO FAST, YOU WILL COME LAST"

* Swinging too fast can make you a sloppy hunter. You also risk eventually cracking/breaking your coil and elephant ears from the constant banging on trees, playground equipment or concrete.

* If you are getting lots of EMI or increased mineralization which is causing erratic audio, try adjusting your discrimination first, before lowering the sensitivity. This sometimes lets the machine run smoother without losing any depth.

* If you get mixture of audio signals, scan the target from different directions. Sometimes a good target is beside or partially underneath a good target. The AT Series has a unique ability to pick out those good targets amongst the trash. Going at the target from different directions allows the AT Pro to perform even better!

* Ground balance your machine occasionally. Temperature can change, and directly affect the settings. Hunting in shade vs. sun can vary. "a 14 degree difference on a lawn area to a 35 degree difference on a parking lot." But, the mineralization can also change between areas....so again...ground balance periodically.

* To increase the depth/sensitivity to silver targets, lower the ground balanced numbers 10-20 points

* If you are hunting an area that is absolutely covered with nails, try ground balancing out a nail until it is nothing but a small amount of static. Now....all the copper & silver targets will give a loud audio response....BUT the target ID will be off.

* Build a test garden...use good & bad targets at different depths. You will soon discover that deep silver targets beyond depths of 8 or more inches begin to not sound off as a high pitch or that the VDI numbers remain in the 80's. That is very good information to know. My rule of thumb states if it's deep....it's old. Dig it! It costs you nothing.

testgarden2.jpg





* Run your battery charges at the top 1/4 fully charged, not the last 1/4 charged battery condition segment. The AT Series will run 100% until the battery runs down to a certain point. Because nobody knows exactly where that point is on their machine, don't try and find out. With the price of cheap alkalines or rechargeable "AA" batteries, you should never reach that unknown power loss point. Bring spares, or top off your recharge ables before the hunt

* Read the manual and watch the videos. Garrett has posted many videos to help with problem areas such as pin-pointing, ground balancing, iron-audio, target id, target sizing. These are just a few. Go to the link for a complete view :

Click below on either for more information.......

AT Pro: Garrett AT PRO Video Library

AT Gold: Garrett AT Gold Online Videos
 

Last edited:

Sandman

Gold Member
Aug 6, 2005
13,398
3,992
In Michigan now.
Detector(s) used
Excal 1000, Excal II, Sovereign GT, CZ-20, Tiger Shark, Tejon, GTI 1500, Surfmaster Pulse, CZ6a, DFX, AT PRO, Fisher 1235, Surf PI Pro, 1280-X, many more because I enjoy learning them. New Garrett Ca
Primary Interest:
All Treasure Hunting
Great post John.:headbang:
 

Kodiak43351

Bronze Member
May 6, 2013
2,279
1,091
NW Ohio
Detector(s) used
At Max,Xp deus,At pro, At gold, pro pointer, ace 350 bounty hunter. Lesche hand and t handle digging tools, Sask kustom digger, Garrett edge digger and Garrett retriever, Garrett classifier made into
Primary Interest:
All Treasure Hunting

gollum

Gold Member
Jan 2, 2006
6,729
7,596
Arizona Vagrant
Detector(s) used
Minelab SD2200D (Modded)/ Whites GMT 24k / Fisher FX-3 / Fisher Gold Bug II / Fisher Gemini / Schiebel MIMID / Falcon MD-20
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All Treasure Hunting
Great post. At first, I thought you were asking a question. I had a very simple answer:

TURN OFF DISCRIMINATION

Might be kind of loud, but you'll get max depth! HAHAHA

Mike
 

DerekR

Jr. Member
May 18, 2014
37
19
Lower Peninsula Michigan
Detector(s) used
Garrett At Pro with DD Coil
Bounty Hunter Sharp Shooter II "Retired"
Primary Interest:
All Treasure Hunting
Great Post sir,

I've just purchased this bad boy yesterday so I am really excited.
 

signal_line

Silver Member
Nov 14, 2011
3,601
1,835
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XP Deus
Primary Interest:
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I've said this before, but the All Metal mode (AT Gold) has a learning curve. I highly suggest you read up on it rather than just aimlessly doing it. My opinion is Clive Clynick has the best how-to info on this subject. His latest book has some info on it. Kellyco got smart and started selling his books or you can order from him.
 

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Capt.Betances

Full Member
Mar 27, 2012
206
66
Franklin, NJ (for now)
Detector(s) used
Garrett ATMAX, Garrett GTI 2500, Sea Hunter Mark II, Garrett ACE 400, Minelab X-Terra, Garrett Pro Pointer, Garrett Pro Pointer AT, Eagle Eye, LRL, Audio generator app Tone, home-made dowsing L-rod,
A
Primary Interest:
All Treasure Hunting
Good post!:thumbsup: excellent
 

DerekR

Jr. Member
May 18, 2014
37
19
Lower Peninsula Michigan
Detector(s) used
Garrett At Pro with DD Coil
Bounty Hunter Sharp Shooter II "Retired"
Primary Interest:
All Treasure Hunting
Thank you for your post John, I am going Mding with the At Pro today I will use the advice I've learned from your post for my hunts.
 

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John-Edmonton

John-Edmonton

Silver Member
Mar 21, 2005
4,400
3,950
Canada
Detector(s) used
Garrett- Master Hunter CX,Infinium, 1350, 2500, ACE 150-water converted 250, GTA 500,1500 Scorpion, AT Pro
Thank you for your post John, I am going Mding with the At Pro today I will use the advice I've learned from your post for my hunts.

Good luck Derek!
 

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