1. Sarrera
The Vortex Defender-ST Enclosed Solar Micro Red Dot Sight is designed for rapid target acquisition and reliable performance in various conditions. Its fully enclosed design protects the emitter from environmental elements, ensuring durability and consistent operation. This manual provides essential information for the proper setup, operation, and maintenance of your Defender-ST red dot sight.
2. Produktua amaitu daview
2.1 Ezaugarri nagusiak
- Diseinu itxia: Protects the emitter from dust, rain, and impact.
- Aspherical Lens: Handi bat eskaintzen du viewing window for fast target acquisition and a wide field of view.
- Fast-Rack Textured Front: Enhances grip for racking the slide off any surface.
- Multi-Reticle Options: Offers 3 reticle choices (3 MOA dot, 32 MOA circle, and 3 MOA dot with 32 MOA circle).
- Distira ezarpenak: 12 levels, including 10 for daylight and 2 for night-vision compatibility.
- Solar Auto D-TEC Technology: Extends battery life by automatically drawing power from solar or battery sources based on light conditions.
- Mugimenduak aktibatuta: Features a 10-minute auto-shutoff to conserve battery.
- Side-Load Battery: Allows for easy battery replacement without removing the sight.
- Eraikuntza iraunkorra: Made from 7075 aluminum housing, waterproof, fogproof, and shockproof.
2.2 Osagaiak
The Vortex Defender-ST includes the following components:
- Vortex Defender-ST Enclosed Solar Micro Red Dot Sight
- Picatinny mendia
- Custom Tool
- Kautxuzko estalkia
- Most Common Mounting Screw Sets
- CR2032 bateria
- Lentearen oihala
- Glock MOS Plate
- Extended Torx T-10 Bit

Figure 1: Labeled components of the Vortex Defender-ST Red Dot Sight.

Figure 2: Contents included in the Vortex Defender-ST packaging.
3. Konfigurazioa
3.1 Bateriaren instalazioa
- Locate the battery cap on the right side of the sight.
- Use the provided custom tool or a suitable coin to unscrew the battery cap counter-clockwise.
- Sartu CR2032 bateria alde positiboa (+) gora begira duela.
- Replace the battery cap and tighten it clockwise until snug. Do not overtighten.
3.2 Mounting the Sight
The Defender-ST is compatible with a DeltaPoint Pro footprint. Use the appropriate mounting screws and plate for your firearm.
- Ziurtatu zure su-arma deskargatuta eta seguru dagoela.
- Select the correct mounting plate (e.g., Picatinny Mount, Glock MOS Plate) and screw set for your firearm.
- Attach the chosen mounting plate to your firearm according to the firearm manufacturer's instructions.
- Place the Defender-ST sight onto the installed mounting plate.
- Secure the sight to the plate using the appropriate screws from the provided screw sets. Apply thread locker if recommended by your firearm or mount manufacturer. Tighten screws to the recommended torque specifications.
4. Funtzionamendu-argibideak
4.1 Piztu/Itzali
- Pizteko: Press either the '+' or '-' button.
- Itzaltzeko: Sakatu eta eutsi '-' botoiari 3 segundoz.
4.2 Distira doitzea
The Defender-ST has 12 brightness settings (10 daylight, 2 night-vision).
- Press the '+' button to increase brightness.
- Press the '-' button to decrease brightness.
4.3 Reticle Selection
The sight offers three reticle options: 3 MOA dot, 32 MOA circle, and 3 MOA dot with 32 MOA circle.
- To cycle through reticle options, press and hold both the '+' and '-' buttons simultaneously for 3 seconds.

Figure 3: Available reticle patterns for the Defender-ST.
4.4 Zeroing (Windage and Elevation)
Adjustments for windage and elevation are located on the side and top of the sight, respectively. Each click typically represents 1 MOA (Minute of Angle).
- Altuera doitzea: Use the custom tool or a flathead screwdriver to turn the elevation turret (marked 'U' for Up) on top of the sight. Turning clockwise moves the point of impact down; counter-clockwise moves it up.
- Haizearen doikuntza: Use the custom tool or a flathead screwdriver to turn the windage turret (marked 'R' for Right) on the right side of the sight. Turning clockwise moves the point of impact left; counter-clockwise moves it right.

Figure 4: Windage adjustment location on the Defender-ST.
5. Mantentzea
5.1 Garbiketa
Keep the lenses clean for optimal performance. Use the provided lens cloth or a soft, lint-free cloth.
- Gently brush away any loose dirt or debris from the lenses.
- Apply a small amount of lens cleaning solution to the cloth, not directly to the lens.
- Wipe the lenses in a circular motion, starting from the center and moving outwards.
- Garbitu karkasa leun batekin, damp oihala behar den moduan.
5.2 Bateria ordezkatzea
Refer to section 3.1 for detailed battery installation instructions. Replace the CR2032 battery when the reticle dims or fails to illuminate.
6. Arazoak
- Reticle Not Illuminating: Check if the battery is correctly installed and has sufficient charge. Ensure the plastic separator tab has been removed.
- Reticle Appears Distorted/Fuzzy: This can sometimes be due to astigmatism. Try adjusting the brightness settings. If the issue persists, consult an eye care professional.
- Loss of Zero: Ensure all mounting screws are tightened to the manufacturer's recommended torque specifications. Check for any loose components on the firearm or mount.
7. Zehaztapenak
| Ezaugarri | Zehaztapena |
|---|---|
| Ereduaren izena | Defender-ST Enclosed Solar Micro Red Dot Sight |
| SKU | DFST-MRD3-E |
| Erretikulu mota | Multi-Reticle (3 MOA Dot / 32 MOA Circle) |
| Erretikuluaren kolorea | Gorri distiratsua |
| Distira ezarpenak | 12 (10 Daylight, 2 Night-Vision) |
| Bateria mota | CR2032 |
| Eye Relief | Mugagabea |
| Handitzea | 1x |
| Luzera | 1.8 hazbetekoa |
| Zabalera | 1.3 hazbetekoa |
| Altuera | 1.2 hazbetekoa |
| Elementuaren pisua | 1.6 ontza |
| Materiala | 7075 Aluminioa |
| Gailu bateragarriak | Firearms with Picatinny Rail (DeltaPoint Pro footprint) |
| Muntatze Mota | Picatinny Mount (included) |
8. Bermea eta laguntza
8.1 VIP Warranty
The Vortex Defender-ST is backed by the Vortex Unlimited, Unconditional, Lifetime, VIP Warranty. This is a fully transferable promise to repair or replace your item if it becomes damaged or defective. This warranty does not cover loss, theft, deliberate damage, or cosmetic damage that does not hinder the product's performance.
For warranty service or support, please visit the official Vortex Optics webgunera edo jarri harremanetan zuzenean bezeroarentzako arreta-zerbitzuarekin.
Informazio gehiago lortzeko, bisitatu: Vortex Optics Official Webgunea





