Page 1
400C 18407643 WITH COMPASS 18407650 WITHOUT COMPASS Owner’s Manual...
Page 2
• 400C’ s internal rangefinder scale and illuminated compass help users determine the distance or size of objects, as well as their direction • High-index BaK-4 prisms produce a bright, sharp image with vivid contrast for detailed viewing •...
Page 3
Reading the Rangefinder Reticle [400C] The rangefinder scale is a useful navigation tool if you know the size or distance of an object. If you know an object’ s size, you can use the rangefinder to calculate its distance. Conversely, if you know the object’ s distance, you can calculate its size.
Install the two batteries, positive (+) side facing up, and screw the cover back into place. All of the following batteries are suitable for use with your 400C binoculars: AG12, GP186, LR43, and 1176A. Instructions for Care To protect the binoculars, store them in their case and keep them in a dry area.
Page 5
How Long Does This Limited Warranty Last? This limited warranty is valid for thirty (30) years from the date of the original retail purchase from West Marine within the United States (the “Limited Warranty Term”).
Page 6
We use new and refurbished parts made by various manufacturers in performing warranty repairs and in building replacement parts and systems. Refurbished parts and systems are parts or systems that have been returned to West Marine, some of which were never used by a customer.