AT Gold vs AT Pro
 |
 |
|
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True All-Metal Mode
|
Yes | |
|
Notch Discrim (adjustable)
|
Yes | |
|
Notch Discrim (fixed)
|
Yes | |
|
Operating Frequency
|
18 kHz | 15 kHz |
|
Proportional Audio
|
Yes | Yes |
|
Tone Roll Audio™
|
Yes | Yes |
|
Standard Binary Audio
|
Yes | |
|
Fast Recovery Speed
|
Yes | Yes |
|
Iron Audio™ (Disc. modes)
|
Yes | Yes |
|
Iron Audio™ (All Metal)
|
Yes | |
|
Threshold Adjustment
|
Yes | |
|
High Resolution Iron Discrimination™
|
Yes | Yes |
|
Digital Target ID
|
Yes | Yes |
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Ground Balance, Auto/Manual
|
Yes | Yes |
|
Ground Balance Window™
|
Yes | |
|
Waterproof to 10 feet
|
Yes | Yes |
|
Freshwater use
|
Yes | Yes |
|
Saltwater use
|
Yes | |
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