Silva Expedition Compass
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Product Information
Full details
The Silva Expedition Compass is designed for experienced users and professionals who require accurate navigation in challenging environments. This guide provides comprehensive instructions on how to effectively use the compass, leveraging its features like the slope card and scale lanyard for enhanced precision and safety. Keep in mind that understanding map reading and compass use basics is essential for optimal performance.
All features
| Brand | Silva |
|---|
Extended Product Information
FAQs
How do I measure the slope angle?
Use the clinometer on the compass. Sight along the edge of the compass housing to the slope and read the angle indicated.
What is magnetic declination?
Magnetic declination is the angle between true north and magnetic north. You must adjust your compass for declination for accurate navigation.
How do I use the scale lanyard?
Place the scale lanyard directly on your map route to measure distances using the 1:25 and 1:50 scales.
How often should I adjust for magnetic declination?
Magnetic declination changes over time and varies by location. Check the declination for your area and adjust the compass accordingly before each use. Some compasses have a permanent local adjustment.
Can I use this compass for orienteering?
Yes, the Silva Expedition Compass is suitable for orienteering due to its accuracy and features.
How do I care for the compass?
Clean the compass with a damp cloth, avoiding harsh chemicals. Store it in a cool, dry place.
What is the purpose of the slope card?
The slope card is great for detecting avalanche risk and determining journey challenge.
What map scales are supported?
The compass can map-measure 1:40,000. It also features map-measuring scales in mm or inches, 1:25,000, 1:50,000 and GPS scales.
Troubleshooting
Compass needle is not aligning correctly.
Ensure the magnetic declination is correctly set for your location. Check for nearby magnetic interference (metal objects, electronics).
Luminous markings are not glowing.
Expose the compass to a bright light source to 'charge' the luminous material.
Difficulty using the clinometer.
Practice with the clinometer to become familiar with measuring angles. Ensure the compass is held level when taking measurements.
Pros and Cons
Pros
- High accuracy and precision for professional use.
- Durable construction with DryFlex™ housing.
- Integrated clinometer for measuring slopes.
- Includes a slope card for assessing avalanche risk.
- Versatile map-measuring scales.
Cons
- Requires prior knowledge of map reading and compass navigation.
- Can be complex for beginners.
- Luminous markings may require periodic charging.
- The number of features can be overwhelming for casual users.
Setup, Compatibility & Care
- Setting Declination: Use the built-in adjuster to set the magnetic declination for your location. This ensures the compass accurately points to true north.
- Lanyard Attachment: Attach the detachable safety-release lanyard for secure carrying.
- Map Compatibility: The compass is compatible with a wide range of map scales, including 1:25,000, 1:50,000 and GPS scales.
- Cleaning: Clean the compass with a damp cloth. Avoid harsh chemicals or abrasive materials that could damage the housing or markings.
- Storage: Store the compass in a cool, dry place away from direct sunlight and extreme temperatures.
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