iW15B October 09, 2024 00:18 Warranty View iW15B Warranty DocumentationSee attached files below. iW15 Quick Start Guide 5 MB Download Related articles iW1 How to Turn the Alarm ON / OFF? How to change the clock display to 12hr. mode or 24hr. mode (military time)? Unit doesn’t respond (locked up or frozen). Unit doesn’t respond (no power).