The Garrett AT Pro is a renowned American metal detector, celebrated for its reliability and versatility. One of its standout features is its water resistance, allowing users to explore both dry and wet environments confidently. Additionally, the AT Pro is known for its precise detection capabilities, making it ideal for finding coins, relics, and other valuable items buried beneath the surface.
In addition to the AT Pro, Garrett offers two similar models: the Garrett AT Gold, which is specifically designed for gold prospecting, and the Garrett AT Max, an advanced version of the AT Pro with enhanced features. Each model has its unique strengths that cater to different needs, making it essential to choose the right one for your metal detecting adventures.
For more information on these alternatives, we encourage you to read our separate reviews of the Garrett AT Gold and Garrett AT Max. Understanding their specific features can help you determine which model best suits your requirements.
Contents
The metal detector purpose
The Garrett AT Pro has established itself as a reliable choice in the metal detecting community since its introduction. Initially designed for coin and relic hunting, it is a versatile, multi-purpose device. Following the AT Pro, Garrett introduced two models tailored to specific needs: the Garrett AT Gold and the Garrett AT Max.
The AT Gold is particularly suited for gold prospecting, including effective beach hunting. It features enhanced sensitivity to smaller gold targets, making it a favored choice among gold seekers. On the other hand, the AT Max is an upgraded version of the AT Pro, incorporating modern technology and additional features for improved performance.
For those primarily interested in coin and relic hunting, the decision often comes down to choosing between the AT Pro and the AT Max. While the AT Max offers several advanced options, it’s essential to consider whether these enhancements justify the higher price tag for your specific needs. Each model has its strengths, and understanding these can help you make an informed decision that aligns with your metal detecting goals.
Introduced to the metal detecting market in late 2010, the Garrett AT Pro stands out as a versatile device that combines the functionalities of a ground search metal detector with the unique capability of being amphibious. This feature allows it to be used effectively underwater and in rainy conditions, making it an excellent choice for diverse detecting environments.
| Model | Garrett AT Pro |
| Weight | 3.03 lbs (1.4 kgs) |
| Length (Adjustable) | 43″ to 56″ (1.09m – 1.4m) |
| Batteries | 4 AA (included) |
| Headphones | Included |
| Warranty | 2 year |
| Circuit Type | VLF |
| Standard Searchcoil | 8.5″ x 11″ DD PROformance |
| Operating Frequencies (kHz) | 15 |
| Water resistance | Waterproof detector |
| Submersion Depth | up to 10 feet |
| Iron Discrimination Segments | 40 |
| Ground Balance | Manual |
| Search Modes | 6 (3 Standard, 3 Pro modes) |
| Audio Threshold | Yes |
| Updatable Software | No |
| Sensitivity/Depth Adjustments | 8 |
| Electronic Pinpointing | Yes |
| VDI (0 to 99 scale) | Yes |
| Build-in flashlight | No |
- Includes 8.5 x 11 In. PROformance DD submersible search coil
- Includes premium volume-control land headphones (waterproof headphones sold…
- AT PRO will ground balance to saltwater
Last update on 2024-11-01 / Affiliate links / Images from Amazon Product Advertising API / Source: Amazon Affiliates
The shaft
The Garrett AT Pro features an innovative S-shaped shaft that consists of three sections connected in series. The upper and middle sections are crafted from lightweight aluminum alloy, while the lower section is made of durable carbon fiber, providing a robust yet lightweight structure.
Sporting Garrett’s signature black color, the AT Pro has a sleek and professional appearance. The shaft length is adjustable, ranging from 43 inches to 56 inches (1.09 m to 1.4 m), accommodating a wide variety of users. The upper shaft section includes an ergonomic armrest, a control unit, and a comfortable polyurethane foam handle, ensuring ease of use during long detection sessions.
The design is derived from previous metal detector models, combining familiarity with enhancements. Notably, the upper shaft section has been extended by several inches, improving comfort during underwater searches, particularly when wading in waist- or chest-deep water. This feature enhances the usability of the AT Pro for various detecting conditions, making it ideal for users who enjoy hunting in diverse environments, including lakes and rivers.
In addition to the standard fixation system, the AT Pro incorporates a double fixation mechanism using spring buttons and cam locks. This dual system effectively eliminates any looseness, resulting in a sturdy construction that offers the desired rigidity and stability during operation.
The Garrett AT Pro is designed for quick and easy assembly, making it convenient for users to set up in the field. When disassembled, it occupies minimal space, easily fitting into a rucksack for transport.
The coil
The Garrett AT Pro is equipped with a DD coil measuring 8.5 inches by 11 inches and weighing 2.2 pounds (400 grams). This coil is well-balanced, making the device feel lightweight and comfortable to use during extended detection sessions.
A standout feature of the coil is its bottom side, which is coated with a durable compound that protects it from sharp objects. This wear-resistant design eliminates the need for additional protection, although users can purchase a plastic protective case if desired. However, many experienced users recommend having extra protection on hand to enhance the coil’s longevity.
The coil cable measures 42 inches (105 centimeters) and is reinforced with a double braid, providing resistance to impacts, friction, and temperature variations. The connection between the coil and the control unit is secured with a threaded nut and a system of elastic rubber gaskets, ensuring a fail-safe joint that protects against moisture ingress. This robust connection enhances reliability, particularly in challenging environments.
Headphones
The headphones included with the Garrett AT Pro significantly enhance the treasure hunting experience, particularly in noisy environments where external sounds can distract from detecting signals. These headphones are designed for use during underwater treasure hunting, as the junction point of the headphone jack with the metal detector is leakproof. However, it is important to note that while they are water-resistant, they should not be fully submerged.
For users requiring fully submersible headphones, it is advisable to purchase specially designed waterproof models, which are available as separate accessories. These headphones ensure reliable performance when completely underwater, providing the necessary audio clarity and comfort during extended detecting sessions.
The sound quality of the included headphones is designed to provide clear audio feedback, enhancing the ability to detect faint signals and distinguish between different types of targets. Many users find them comfortable for prolonged use, as they often come with cushioned ear pads that minimize discomfort during extended detecting sessions.
Additionally, the standard headphones are compatible with other devices, making them a versatile addition to a treasure hunter’s gear. Their design helps block out ambient noise, allowing users to focus more on the signals from the metal detector, which can be crucial in busy or noisy areas.
Many headphone models come with adjustable headbands to ensure a snug and comfortable fit for various head sizes, enhancing the overall experience. They do not require batteries, relying on the metal detector for power, which is an added convenience for users on long excursions.
In addition to underwater use, the headphones are effective in windy or crowded environments, where external noises could interfere with signal detection.
The battery
The Garrett AT Pro features a convenient battery charge level indicator displayed on a four-section scale in the right corner of the device screen. This allows users to easily monitor their battery status during use. While some users have raised concerns about the metal detector’s battery economy, it is worth noting that the device’s power consumption is generally sufficient for an entire treasure hunting trip. Most users find that the batteries last long enough to cover extended outings, ensuring that you can focus on your search without worrying about running out of power.
The AT Pro uses four AA batteries, which are commonly available and easy to replace, making it convenient for users. On average, you can expect about 25-30 hours of operation from a fresh set of batteries, depending on the settings and usage conditions. The design of the metal detector incorporates energy-efficient features, allowing for optimal performance without excessive power drain.
Many users opt for rechargeable AA batteries to save costs in the long run, providing an eco-friendly alternative. The indicator is particularly useful during long detecting sessions in remote areas where access to replacement batteries may be limited. The AT Pro also provides audible alerts when the battery level is low, giving users ample time to replace batteries before they completely run out.
In addition to its energy efficiency, the metal detector’s design is robust enough to handle various environmental conditions, contributing to its overall reliability during treasure hunts.
Waterproofness
The Garrett AT Pro is built to withstand various environmental conditions, including dust, rain, water, and splashes. Its control unit is fully protected from water when submerged, ensuring that important connections, such as the coil and headphone jacks, remain leakproof. This level of protection allows users to confidently use the device in wet conditions, making it ideal for treasure hunting in diverse environments.
The external speaker of the metal detector is also waterproof, allowing it to be submerged up to 10 feet deep without compromising performance. However, before submerging the device, it is essential to ensure that the threaded nuts for the coil and headphones are securely tightened, and the battery holder clip is functioning properly. Additionally, it’s advisable not to leave the device in direct sunlight for extended periods before submerging it, as temperature fluctuations could affect its performance. By taking these precautions, users can maximize the longevity and reliability of their Garrett AT Pro while exploring underwater environments.
Operational Limitations
While the AT Pro boasts impressive waterproof capabilities, users should avoid submerging it in saltwater for prolonged periods, as the salt can corrode components over time. After using the device in water, it’s beneficial to rinse it with fresh water to remove any debris or salt, ensuring its longevity and continued performance.
Versatile Use
The AT Pro’s water resistance also makes it a popular choice for beachcombers and divers, as it can be used to locate items in both wet and dry conditions. In addition to water resistance, the AT Pro’s rugged design allows it to operate in various weather conditions, making it suitable for year-round use.
Maintenance Tips
Users are encouraged to check the seals and connections regularly to ensure continued waterproof performance, particularly before embarking on underwater hunts. Proper maintenance can prevent issues and ensure reliable operation throughout the device’s lifespan.
Control unit
Garret designed this device like all its previous ones to be quite user-friendly and easy to use: simple interface, buttons, self-explanatory and easy to remember functions.
Control panel
The Garrett AT Pro is equipped with a range of controls and functions designed to enhance the user experience and improve detection capabilities. Understanding these features is essential for maximizing the detector’s performance during treasure hunting.
MODE Function
The MODE button serves a dual purpose. It not only allows the user to select the mode of operation, particularly the discrimination mode, but it also functions as the power button. To turn the device on or off, simply hold the button for one second. A long press can reset the device to the manufacturer’s default settings, while a short press changes the mode of operation.
Sensitivity Control
SENSITIVITY features two control buttons: the “+” button increases sensitivity, while the “-” button decreases it. Adjusting sensitivity is crucial for optimizing target detection based on soil conditions and the size of the targets being sought.
PINPOINT Mode
The PINPOINT function enables users to accurately identify the target’s location. To adjust the operating frequency, the SENSITIVITY button is used. This feature is especially useful when attempting to hone in on a specific target after initial detection.
NOTCH and ELIM Functions
The NOTCH function is equipped with “+” and “-” buttons to navigate the discrimination scale, allowing users to select specific elements for detection. The ELIM function can then be used to turn on or off the selected element, enabling tailored discrimination based on user preferences.
Iron Discrimination Settings
IRON DISC is dedicated to iron discrimination settings, allowing users to adjust the level of discrimination with “+” and “-” buttons. There are 40 iron segments, giving users fine control over how ferrous targets are detected.
Iron Audio Feature
The IRON AUDIO function is designed to help detect ferrous targets, preventing users from digging phantom signals. This is particularly beneficial in professional mode, where the metal detector emits tone signals for ferrous targets and additional tones for non-ferrous signals. However, if the user finds the varying tones overwhelming, it’s advisable to switch this function off, especially in areas with significant iron debris.
GROUND BALANCE Adjustment
GROUND BALANCE is essential for adjusting the device to account for mineralization in the soil. For automatic adjustment, simply push and hold the GROUND BALANCE button. Manual adjustments can be made using the NOTCH DISC button in conjunction with the GROUND BALANCE button, allowing users to tailor the detector’s performance based on specific ground conditions.
Modes of operation
The Garrett AT Pro metal detector features six modes of operation, divided into three standard (STD) modes and three professional (PRO) modes. If you are new to using metal detectors, starting with the standard operation modes is recommended for a smoother learning curve. You can easily switch between these modes using the MODE button.
The discrimination function varies depending on the selected operation mode. Notably, the recovery time differs between standard and professional modes. In the standard modes—ZERO, COINS, and CUSTOM—the recovery time is generally longer compared to that in the PRO modes.
Overview of Available Programs
The AT Pro offers three programs that are accessible in both standard and professional modes:
- Custom: Users can adjust settings according to their preferences, which will be remembered after the device is turned off. The manufacturer’s default settings are identical to those in Zero mode.
- Coins: This mode is designed for multifunctional coins and jewelry hunting, excluding ferrous metals and foil. The iron discrimination level is set to 35.
- Zero: This mode searches for all metals without ignoring any ferrous targets, utilizing all 12 discrimination segments, with an iron discrimination level of 0.
The standard mode is ideal for beginners or those looking to familiarize themselves with the device’s features. In this mode, the AT Pro produces a loud binary signal indicating a target’s detection. However, if the target is mixed, such as a bullet with a steel core or a coin buried under ferrous debris, the user will hear the same tone.
In contrast, the PRO mode provides more nuanced audio signals, offering valuable information that helps users quickly locate neighboring objects. This is particularly useful in areas with heavy iron contamination.
Tone Signals in Pro Mode
In PRO mode, the audio signals consist of two main features:
- Proportional Audio: The signal volume adjusts based on the strength of the target signal.
- Tone Roll Audio: The pitch of the signal changes as you approach the target.
When operating in PRO mode, if two nearby targets are detected, you will hear distinct tones, with pitch variations reflecting the conductivity of each target. Conversely, in STD mode, the presence of two neighboring targets results in a single tone signal.
In PRO mode, the target signal may become choppy or blended, indicating the presence of multiple targets with different conductivity levels. The Proportional Audio feature will cause the volume to increase or decrease based on the type of metal present in the target.
Ground balance
The ground balance function of the Garrett AT Pro metal detector is essential for effectively filtering out signals from various soil minerals. This function not only minimizes unnecessary alerts from the ground but also enhances the ability to detect deeper targets with greater precision in identification.
If you reside in an area with highly mineralized soil, having a metal detector with ground balance capabilities is crucial for optimal performance.
Options for Ground Balance
Garrett has equipped its metal detector with both automatic and manual ground balance options, allowing it to perform well in various soil conditions.
- Automatic Ground Balance: To activate this function, locate a spot of soil free from metal debris, then press the GND BAL button while moving the coil up and down. When the sound level reaches its minimum, release the GND BAL button, and you’re ready to start detecting. In this mode, a low ground balance level indicates high conductivity soil, while a high level corresponds to soil with a significant iron content.
- Manual Ground Balance: For manual adjustment, press and release the GND BAL button while simultaneously waving the coil. If you receive a low signal tone, increase the ground balance level using the (+) NOTCH DISC button. Conversely, if you hear a high signal tone, decrease the ground balance level using the (-) NOTCH DISC button. You can stop the adjustment process once the signal tone has decreased to its minimum by pressing the GND BAL button again.
Understanding how to utilize the ground balance function effectively can significantly improve your metal detecting experience, allowing for more accurate identification of valuable targets while minimizing interference from mineralized soils.
Noise cancel
To minimize noise from electrical power transmission lines or interference from other metal detectors operating in the vicinity, you can slightly adjust the operating frequency of your AT Pro metal detector.
It is common for multiple detectorists to work in the same area using similar metal detectors, leading to electromagnetic noise that can hinder performance. Common sources of interference include household appliances and electronic devices that emit electromagnetic waves. The AT Pro operates at a frequency of 15 kHz, which can be adjusted to reduce this interference effectively.
Adjusting the Operating Frequency
Follow these steps to change the operating frequency:
- Press the PINPOINT/Freq Adj Button: This will enable the frequency adjustment mode.
- Use the SENSITIVITY Buttons: Utilize the (+) or (-) SENSITIVITY buttons to modify the operating frequency to the desired value, ensuring the noise is minimized.
- View the Selected Frequency: The selected frequency value will be displayed on the screen (F1–F4) for your reference.
- Release the PINPOINT Button: This will finalize the adjustment.
It is advisable to make frequency adjustments when you experience significant electromagnetic noise. Different metal detectors may operate at varying frequencies, influencing their sensitivity to different types of metals. Lower frequencies tend to be better for detecting larger objects, while higher frequencies are typically more effective for smaller items.
Keep in mind that changing the operating frequency primarily serves to suppress noise and does not impact detection depth. Additionally, the effectiveness of frequency adjustment can also be influenced by environmental conditions, such as wet or mineral-rich soils that can alter signal transmission.
Conclusions
In summary, the AT Pro metal detector presents several advantages and a few drawbacks that potential users should consider before making a purchase.
Advantages
- Versatile Operating Modes: The AT Pro offers both standard and professional modes, allowing users to choose settings that best suit their experience level and detection needs. The Pro mode provides enhanced audio feedback, which is especially useful in areas with mixed metal targets.
- Ground Balance Functionality: With automatic and manual ground balance options, this detector effectively ignores signals from various soil minerals, enabling better target identification in highly mineralized soils.
- Adjustable Frequency: The ability to shift the operating frequency helps to minimize interference from electrical noise, making it easier to operate in areas where multiple detectors might be in use.
- Durability: The AT Pro is built to withstand the elements, being waterproof up to 10 feet, making it suitable for various environments, including underwater treasure hunting.
Drawbacks
- Weight: Some users find the AT Pro to be somewhat heavier than competing models, which can lead to fatigue during extended use.
- Complexity for Beginners: The multiple modes and functions, while beneficial for advanced users, can be overwhelming for beginners who may struggle to understand how to optimize their settings.
- Battery Life: While the battery life is generally sufficient for a single outing, some users have reported concerns about the efficiency of the battery usage over longer detection sessions.
Competitors
Several competitors offer similar features and functionality, catering to both beginners and seasoned detectorists:
- Minelab Equinox 600/800: Known for its multi-frequency technology, the Equinox series excels in various conditions and is praised for its user-friendly interface, making it a popular choice for both beginners and advanced users.
- Garrett Ace Apex: This model provides advanced features such as multi-frequency technology and a lightweight design, making it suitable for various detecting environments. Its intuitive controls and effective discrimination capabilities make it an excellent option for both newcomers and experienced users.
- Nokta Makro Simplex: This budget-friendly option provides robust features such as waterproofing, wireless headphones, and a simple user interface, making it an excellent choice for newcomers to metal detecting.