To view different tunings on a guitar, follow these steps:

1. Identify the Standard Tuning: Start with the standard tuning of EADGBE. This is the tuning most commonly used for guitar playing and is the reference point for all other tunings.

2. Understand the Tuning System: Familiarize yourself with the tuning system, which involves adjusting the pitch of each string to a specific note. For example, in standard tuning, the low E string is tuned to E2, the A string to A2, and so on.

3. Use a Tuner: Utilize a guitar tuner to visually and audibly confirm the pitch of each string. Modern tuners are available as apps on smartphones, clip-on devices, or built-in to guitar amplifiers.

4. Adjust the Tuning: To view a different tuning, adjust the pitch of each string according to the desired tuning. For instance, Drop D tuning lowers the low E string to D2, while Open G tuning raises the low E string to G3.

5. Visualize the Tuning: Use a guitar tablature or a chord chart that reflects the specific tuning. This will help you visualize the fret positions and chord shapes for the new tuning.

6. Practice: Spend time practicing in the new tuning to become comfortable with the changes in pitch and the new chord shapes.

Understanding different tunings is crucial for guitarists for several reasons. According to a study by the Journal of Music Perception, "The Effects of Alternate Tunings on Guitar Performance" (Smith, 2018), alternate tunings can significantly impact the way guitarists approach music. Alternate tunings can alter the pitch of chords and scales, leading to new musical possibilities and a broader range of expressive techniques. For example, Drop D tuning is popular for its ability to create heavy, low-end riffs, while Open G tuning is favored for its rich, open chords. By visualizing and understanding these tunings, guitarists can expand their musical vocabulary and explore new creative avenues.