How to use the artillery in Marshals Unleashed Napoleonic wargaming

About Marshals Unleashed, Waterloo, from BoardGameGeek:

Experience unparalleled Napoleonic wargaming as you step onto the legendary battlefield of Waterloo on June 18, 1815. Witness the strategic brilliance of Wellington as he establishes a formidable defensive line along the Ohain Road, with key strongholds at Hougoumont, La Haye Sainte, and Papelotte farms. Command renowned leaders like Emperor Napoleon, Marshal Ney, General Kellerman, and General D'Erlon, and even alter history with the arrival of Marshal Grouchy, providing support to Napoleon's forces. With a high-quality battle map, unit displays, icons, and easy-to-follow game instructions, customize your army, unleash your strategies, and embark on an exhilarating gaming adventure. Take command over 100 units per side and experience realistic Napoleonic-era battles like never before with our Waterloo game. Our game is perfect for anyone looking to enjoy an immersive strategy game without needing an in-depth knowledge of the era. You'll be able to easily apply tactics and benefit from an outstanding gameplay experience. Feel the responsibility over your army as you make decisions in this thrilling recreation of Napoleon Total War. Game content The Waterloo ready to build edition offers an extensive range of content designed to enhance your gaming experience. Here are the key components included: Campaign Map: Immerse yourself in the epic battles of Waterloo with a meticulously crafted campaign map. Measuring 160 x 90 cm (62.99 x 35.43 inches), this high-quality map is constructed from frontlit waterproof material that is both durable and easy to clean. Unit Displays and Stickers: Bring your armies to life with customizable unit displays and stickers. The unit displays, crafted in polystyrene plastic, provide a sturdy platform for showcasing your troops. Utilize the waterproof stickers to easily mark and differentiate units, ensuring clarity during gameplay. These stickers are designed to withstand prolonged use, ensuring durability throughout your gaming sessions. Dice: Enhance the element of chance with four specially designed dice. Each die is equipped with stickers that correspond to the game mechanics, adding an extra layer of excitement to your strategic decisions. Damage Icons and Timeline Icons: Keep track of the unfolding battle with the included damage icons and timeline icons. These stickers allow you to monitor unit status and track the progression of events on the battlefield, contributing to a dynamic and immersive gaming experience. Extensive Unit Variety: Experience the full breadth of the Waterloo conflict with a comprehensive collection of 247 units. This includes: 118 French army units 51 British army units 32 Dutch army units 10 Brunswick corps units 36 Prussian army units 10 Generals Gaming time: up to 4 hours and more. Play 1vs1 or 2vs 2. -description from the publisher