The Garrett AT Pro is a popular, fully waterproof metal detector, renowned for its automatic ground balance and user-friendly operation.
Numerous resources, like downloadable manuals from High Plains Prospectors and detailed guides on DetectorProspector.com, offer comprehensive support.
These materials, often available as PDF files (around 3.75MB for the AT Pro manual, 704KB for the Pro-Pointer AT), provide essential information for optimal performance.
What is the Garrett AT Pro?
The Garrett AT Pro represents a significant advancement in all-terrain metal detecting technology, designed for enthusiasts seeking a robust and versatile machine. It’s a fully waterproof detector, allowing for seamless operation in diverse environments – from freshwater shorelines to saltwater beaches and even submerged locations.
As highlighted in available user manuals and guides (like those found on DetectorProspector.com and High Plains Prospectors), the AT Pro boasts automatic ground balance, simplifying operation for beginners while offering experienced users precise control. The detector’s popularity stems from its ability to effectively locate a wide range of targets, including coins, relics, and jewelry.
Its digital target ID system and adjustable discrimination features further enhance its usability, making it a favored choice among metal detecting hobbyists.
Key Features and Benefits
The Garrett AT Pro delivers a compelling suite of features, making it a standout choice for metal detecting. Core benefits include its fully waterproof design, enabling exploration in any environment without concern for moisture damage. Automatic ground balance, detailed in user manuals from sources like DetectorProspector.com, simplifies setup and enhances target identification.
Furthermore, the AT Pro offers adjustable sensitivity and discrimination, allowing users to fine-tune the detector for specific hunting conditions and target types. The digital target ID system provides valuable information about potential finds, while the Pro-Pointer AT integration (discussed in dedicated guides) streamlines pinpointing.
These features combine to offer a rewarding and efficient metal detecting experience.
Understanding the AT Pro Components
The AT Pro consists of a control box, interchangeable search coils, and an optional Pro-Pointer AT. Manuals detail each part’s function and assembly procedures.
Control Box Overview
The Garrett AT Pro’s control box houses the essential electronics and user interface. Key features include a digital target ID display, discrimination controls, sensitivity adjustments, and ground balance settings. The LCD screen clearly presents target information, aiding in identification.
Manuals emphasize understanding the function of each button and knob. The frequency adjustment control allows for minimizing interference. Power and battery status are also indicated on the control box. Proper understanding of these controls, as detailed in the user guide, is crucial for maximizing detection performance and interpreting signals effectively.
The control box is designed for comfortable handling and is fully waterproof, ensuring reliable operation in various conditions.
Search Coil Types and Selection
The Garrett AT Pro typically comes standard with an 8.5” x 11” ProFormance™ search coil, a versatile option for all-around detecting. However, the AT Pro is compatible with a range of optional coils, expanding its capabilities.
Smaller coils, like a 5” coil, excel in trashy areas, offering increased sensitivity to small targets. Larger coils, such as a 13” coil, provide greater depth penetration, ideal for open fields. The user manual details coil compatibility and recommended uses.
Selecting the appropriate coil depends on the target sought and the detecting environment, optimizing performance for specific scenarios.
Assembling the AT Pro
Initial assembly of the Garrett AT Pro involves attaching the search coil to the control box using the provided hardware. The user manual provides clear diagrams illustrating proper alignment and secure fastening.
Next, insert the lower stem into the control box, ensuring a snug fit, and then attach the upper stem and grip assembly. Adjust the stem length for comfortable operation, tightening the locking mechanisms to prevent slippage.
Finally, connect the search coil cable to the control box, verifying a secure connection. Refer to the manual for detailed instructions and safety precautions during assembly.
Basic Operation and Settings
Starting with the AT Pro requires understanding power controls, sensitivity adjustments, and discrimination settings, all detailed within the comprehensive user manual.
Powering On and Off
Initiating operation with the Garrett AT Pro is straightforward, yet crucial for preserving battery life and ensuring proper functionality. The user manual details a simple process: press the Power button located on the control box to activate the detector. A self-test sequence will briefly illuminate the LCD screen, confirming the system is operational.
To conserve energy, always remember to power down the AT Pro after each detecting session. Pressing the Power button again will deactivate the detector. The manual emphasizes that leaving the unit on, even when not in use, will significantly deplete the battery. Proper power management extends the life of your batteries and ensures reliable performance during your metal detecting adventures.
Adjusting Sensitivity and Discrimination
Sensitivity control on the Garrett AT Pro dictates the detector’s ability to detect small or distant targets; higher settings increase detection depth but also susceptibility to ground noise. The user manual advises starting with a moderate setting and incrementally increasing it until stable operation is achieved.
Discrimination allows filtering out unwanted metallic objects like iron. Adjusting the discrimination level, detailed in the manual, minimizes false signals from trash items. Experimentation is key – a lower discrimination setting detects all metals, while a higher setting rejects more targets. Finding the optimal balance between sensitivity and discrimination is vital for successful detecting.
Ground Balance: Automatic and Manual
Ground balance is crucial for accurate detection, compensating for mineralization in the soil. The Garrett AT Pro features both automatic and manual ground balance. Automatic ground balance, as described in the user manual, is convenient for most conditions, quickly adapting to changing soil types.
However, for highly mineralized ground, manual ground balance offers superior performance. This involves adjusting the detector’s settings to match the soil’s specific characteristics, minimizing false signals and maximizing depth. The manual provides detailed instructions on performing manual ground balance, emphasizing slow, incremental adjustments for optimal results.
Advanced Settings and Techniques
Unlock the AT Pro’s full potential by exploring frequency adjustment, refined iron discrimination, and mastering digital target ID interpretation for enhanced finds.
Frequency Adjustment
The Garrett AT Pro offers adjustable frequencies, a powerful tool for minimizing interference and maximizing target detection in challenging environments. While the detector performs admirably on automatic frequency selection, manually adjusting can significantly improve performance when encountering electrical noise from power lines or other sources.
Experimenting with slight frequency shifts can help “null” out interference, resulting in cleaner signals and reduced false readings. The user manual details how to navigate the frequency adjustment settings within the control box, providing guidance on selecting optimal frequencies for various detecting locations. Remember, subtle adjustments often yield the best results, and careful observation of the target ID response is crucial during this process.
Iron Discrimination Settings
The Garrett AT Pro’s iron discrimination is a vital feature for reducing unwanted signals from iron objects like nails and bottle caps. The user manual explains how to adjust the discrimination level, allowing you to filter out iron targets based on their conductivity. Higher discrimination settings reject more iron, but also potentially mask desirable targets with similar conductivity.
Finding the right balance is key; start with a lower setting and gradually increase it until unwanted iron signals are minimized without sacrificing the detection of valuable finds. Understanding the digital target ID scale, as detailed in the manual, aids in accurately interpreting signals and fine-tuning iron discrimination.
Digital Target ID Interpretation
The Garrett AT Pro’s digital target ID system provides a numerical representation of a detected object’s conductivity, aiding in identification. The user manual details the target ID scale, typically ranging from 0 to 99, with lower numbers generally indicating iron or junk, while higher numbers suggest silver or copper.
However, the manual emphasizes that target ID is not foolproof; ground conditions and object size can influence readings. Experienced users learn to correlate target ID numbers with specific finds through practice and careful digging. Combining target ID with audio cues and discrimination settings enhances identification accuracy, maximizing recovery rates.
Practical Metal Detecting with the AT Pro
Successful detecting requires selecting appropriate sites and mastering search techniques like overlapping sweeps, as detailed in the AT Pro user manual for optimal results.
Choosing a Detecting Site
Selecting the right location is paramount for successful metal detecting with the Garrett AT Pro, as highlighted in user manuals and forums. Consider areas with historical significance – old homesteads, parks, fairgrounds, and former recreational spots often yield interesting finds.
Research local history; old maps and records can pinpoint promising locations. Always obtain permission before detecting on private property, and be aware of local regulations regarding metal detecting in public areas. Beaches, especially those near old piers or boardwalks, are also productive.
Avoid areas that have been heavily detected recently to maximize your chances of uncovering untouched treasures. The AT Pro’s versatility allows for detecting in diverse environments, but site selection remains crucial.
Search Techniques: Overlap and Sweep Speed
Effective search techniques are vital for maximizing finds with your Garrett AT Pro, as detailed in instructional materials. Employ the “overlap” method, sweeping the search coil slowly and deliberately in a side-to-side motion, ensuring each sweep slightly overlaps the previous one.
Maintain a consistent sweep speed – too fast and you risk missing targets, too slow and you’ll lose efficiency. Keep the coil close to the ground for optimal detection depth. Listen carefully for target signals, and practice distinguishing between good and unwanted signals.
Consistent technique, combined with the AT Pro’s capabilities, dramatically increases your success rate.
Pinpointing Targets
Accurate pinpointing is crucial after detecting a signal with your Garrett AT Pro. Once a target is indicated, switch to pinpoint mode – often activated by a dedicated button on the control box.
Slowly move the coil in an “X” pattern over the suspected target area. The signal strength will peak directly over the object’s center. This narrows down the exact location for digging.
Combine pinpointing with careful observation of the target ID displayed on the control box to anticipate the object’s nature before excavation, maximizing efficiency and minimizing unnecessary digging.
Troubleshooting Common Issues
Common problems with the Garrett AT Pro include no power, erratic signals, and false readings; solutions often involve checking batteries or adjusting settings.
No Power
If your Garrett AT Pro fails to power on, begin with the most basic checks. Ensure the batteries are correctly installed, observing proper polarity (+ and -).
Even new batteries can sometimes be faulty, so testing them with a voltmeter is recommended to confirm they provide sufficient voltage.
Inspect the battery compartment for any signs of corrosion or debris that might be interrupting the connection. Clean the contacts thoroughly if necessary.
Verify that the power switch is fully engaged. A partially depressed switch might not establish a reliable circuit.
If the issue persists, consider the possibility of a damaged power cable or internal component, potentially requiring professional repair.
Erratic Target Signals
Experiencing inconsistent or jumping target signals with your Garrett AT Pro often points to ground interference or improper settings. First, re-check your ground balance; automatic ground balance isn’t always perfect, and manual adjustment might be needed.
High mineral content in the soil can cause erratic readings. Experiment with slightly reducing sensitivity to minimize interference.
Ensure discrimination settings aren’t overly aggressive, as they can filter out legitimate targets alongside unwanted trash.
External electromagnetic interference from power lines or other electronic devices can also contribute to signal instability; relocate if possible.
False Signals and Interference
Dealing with unwanted signals is common in metal detecting. The Garrett AT Pro, while robust, can experience false readings due to various sources of interference. Mineralized ground is a primary culprit; ensure proper ground balancing is achieved, potentially utilizing manual settings for optimal results.
Electromagnetic interference (EMI) from power lines, cell towers, or other electronics can also trigger false signals. Try relocating to a different detecting area.
Metallic objects near the search coil, like foil or bottle caps, will naturally cause signals; careful digging and target identification are crucial.
Garrett Pro-Pointer AT Integration
Seamlessly combine the AT Pro with the Pro-Pointer AT for pinpoint accuracy; DetectorProspector.com offers a dedicated 8-page manual for optimal performance and settings.
Using the Pro-Pointer with the AT Pro
Integrating the Garrett Pro-Pointer AT with your AT Pro metal detector significantly enhances target recovery speed and precision. After locating a potential target with the AT Pro, carefully scoop the soil and activate the Pro-Pointer.
Systematically scan the excavated soil, moving the probe slowly and deliberately. The Pro-Pointer’s audible tones and vibration will pinpoint the exact location of the metallic object.
Remember to adjust the Pro-Pointer’s sensitivity to suit the soil conditions and target size, as detailed in the Pro-Pointer AT user guide available on DetectorProspector.com. Proper technique minimizes damage to finds and ensures efficient recovery.
Pro-Pointer Settings for Optimal Performance
Maximizing the Pro-Pointer AT’s effectiveness requires understanding its adjustable settings. Begin by selecting the appropriate mode – All Metal, Discrimination, or Pinpoint – based on the detecting environment and target type.
Adjust the sensitivity level to balance detection depth with minimizing false signals; higher sensitivity detects smaller targets but increases interference. Utilize the frequency adjustment to reduce noise from electrical interference.
Refer to the 8-page Pro-Pointer AT owner’s manual on DetectorProspector.com for detailed guidance on these settings. Experimentation is key to finding the optimal configuration for your specific detecting conditions and desired results.
Maintenance and Care
Proper care ensures longevity. Regularly clean your AT Pro after each use, store it in a dry place, and replace batteries as needed for optimal function.
Cleaning and Storage
Maintaining your Garrett AT Pro involves simple yet crucial cleaning and storage practices. After each detecting session, thoroughly wipe down all components – the control box, coil, stem, and grip – with a damp cloth to remove dirt, mud, and sand.
Avoid using harsh chemicals or abrasive cleaners, as these can damage the detector’s finish or internal electronics. For stubborn residue, a mild soap solution is acceptable, but ensure it’s completely rinsed off and the detector is dried before storage.
When storing, disconnect the search coil from the control box and remove the batteries. Store the AT Pro in a cool, dry place, away from direct sunlight and extreme temperatures. A dedicated carrying case is ideal for protection during transport and storage, preventing scratches and impacts.
Battery Replacement
The Garrett AT Pro utilizes standard batteries for power, requiring periodic replacement to maintain optimal performance. The detector typically accepts four AA batteries; however, always consult your user manual for the precise battery type and quantity recommended for your specific model.
To replace the batteries, locate the battery compartment, usually on the control box. Open the compartment and carefully remove the old batteries, noting the correct polarity (+ and -) orientation. Insert new batteries, ensuring they are aligned correctly.
Close the battery compartment securely. Low battery power is often indicated by a warning symbol on the LCD screen. Regularly check battery levels, especially before extended detecting sessions, to avoid unexpected interruptions.
Software Updates (if applicable)
The Garrett AT Pro, being an established model, generally does not receive frequent software updates like some newer detectors. However, Garrett Electronics occasionally releases updates to improve performance or address specific issues. Checking the official Garrett website is crucial for determining update availability.
If an update is available, it will typically be provided as a downloadable file and instructions for installation. Carefully follow these instructions, as incorrect installation could potentially affect detector functionality.
Ensure the detector has sufficient battery power during the update process. Regularly visiting the Garrett support pages will keep you informed about any potential software enhancements for your AT Pro.