Suunto MC-2 G Mirror Compass - Global Orientation
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The Suunto MC-2 G Mirror Compass is designed for global mountaineers and serious adventurers needing precise navigation tools. Its key benefit is reliable, accurate direction-finding in diverse global conditions, thanks to its globally balanced needle and adjustable declination. A potential caveat is its complexity for absolute beginners, requiring some practice to master all features.
All features
| Model Part Number | SS004252010 |
|---|---|
| Brand | Suunto |
Extended Product Information
FAQs
What is a globally balanced needle?
A globally balanced needle is designed to function accurately within a wide range of magnetic latitudes, from the poles to the equator. Standard compasses may only be balanced for a specific hemisphere.
How do I find my local magnetic declination?
You can find your local magnetic declination using online tools from geological surveys (like NOAA in the US) or by consulting up-to-date topographic maps for your region. Declination values change over time.
Can I use this compass in freezing temperatures?
Yes, the liquid-filled capsule helps to dampen needle oscillations and prevent freezing in typical cold conditions. However, extreme sub-zero temperatures over prolonged periods could potentially affect the liquid viscosity.
What is the purpose of the clinometer?
The clinometer measures the angle of a slope or incline. This is useful for assessing terrain steepness, determining avalanche risk, or planning climbing routes.
Is the compass waterproof?
The compass is water-resistant, meaning it can withstand splashes and rain. It is not designed for prolonged submersion.
How do I read the scales on the baseplate?
Align the scale (either metric or inch) with the desired distance on your map. The distance marked on the scale corresponds to the actual distance on the ground.
What does the 'G' in MC-2 G stand for?
The 'G' typically indicates that the compass is globally balanced, allowing for accurate use in all magnetic zones.
Troubleshooting
Needle not settling or spinning erratically
Ensure the compass is held flat and away from magnetic interference (metal objects, electronics). Check if the liquid-filled capsule is intact. If the needle is damaged or the liquid has leaked, professional servicing or replacement may be required.
Declination adjustment is difficult or doesn't hold
Ensure you are using the correct key and turning it gently. If the adjustment mechanism feels stripped or loose, contact customer support. Re-check your local declination value, as it can change over time.
Mirror is scratched or dirty
Clean the mirror gently with a soft, damp cloth. For persistent smudges, use a lens cleaning solution specifically designed for optical surfaces. Avoid abrasive materials.
Luminous markings are not visible
Luminous markings need to be exposed to light to 'charge'. Expose the compass to bright light (sunlight or a strong lamp) for several minutes. Their glow will diminish over time and requires recharging.
Pros and Cons
Pros
- Highly accurate globally balanced needle for reliable navigation anywhere.
- Integrated mirror enhances precision and offers signaling capabilities.
- Adjustable declination correction ensures accuracy for map work.
- Clinometer provides valuable terrain slope information.
- Luminous markings offer excellent visibility in low light.
- Durable construction with a high-quality stainless steel needle.
Cons
- May have a steeper learning curve for novice users.
- Plastic bezel material might be less durable than metal alternatives in extreme impacts.
- Requires understanding of declination to utilize its full accuracy potential.
- The mirror, while useful, adds a slight complexity to handling.
Setup, Compatibility & Care
Setup:
- Declination Adjustment: Locate the declination adjustment screw (often accessible via a small hole in the baseplate). Use the provided key to set the local magnetic declination. Rotate the bezel until the 'N' (North) on the bezel aligns with the adjusted declination setting indicated within the capsule. Consult local charts or online resources for your current declination value. Consult the brief instructions included for detailed steps.
- Carrying Cord: Attach the detachable carrying cord to the compass loop. Secure the snap lock for quick release when needed.
Compatibility:
- The compass is designed for use with maps that have metric scales (e.g., 1:25,000, 1:50,000).
- An inch gauge is also provided for compatibility with maps using imperial scales.
Care:
- Cleaning: Wipe the compass with a soft, damp cloth. Avoid harsh chemicals or solvents which can damage the plastic or markings.
- Storage: Store the compass in a cool, dry place, away from direct sunlight and strong magnetic fields (e.g., speakers, magnets). Ensure the needle is free to move and not obstructed.
- Handling: While durable, avoid dropping the compass on hard surfaces. The liquid-filled capsule protects the needle, but extreme shocks can still cause damage.