Get the most out of your GPS with a Qref checklist. This quick-reference card helps you master the Magellan Triton 500/400 quickly. It features common actions, helpful tips, and an indestructible format. Can't remember a function? Want to learn something new? Tired of lugging around a thick manual? Our GPS experts have put together this thoughtful, full-color, double-sided design to get you unstuck. Models Covered: Triton 500, Triton 400. Other models are covered by additional models Features: Qref cards are the perfect companion to your GPS system. If you are already familiar with your GPS, a Qref card will provide quick reminders of how to do common tasks. In today's increasingly complex electronics, a Qref card can mean the difference between frustration and efficient operation. The cards are double sided and printed in full color and hard laminated with a military-spec, sturdy 10mil matte finish. This proprietary finish makes Qref cards easy to read, without glare, while protecting the card from UV fading. The bottom line? Your checklist is completely waterproof, indestructible, and will last for years. The 5" x 8" (13mm x 20mm) size is perfect to fit on a kneeboard or slip into your bag or side pocket for easy reference. Never get lost inside your GPS again! See at-a-glance which button does what and discover hidden short cuts and features.