Hour centric mode displays the hour in digits on the lower display and minutes on the upper display, each LED representing a progression of five minutes. Perfect for when you need to know the approximate time quickly.
Minute centric mode displays the exact minutes in digits on the lower display with the upper display representing the progression of hours using twelve LEDs.
Binary numbers date back to ancient times but are also the basis of all modern computers; using 0 & 1 (or OFF & ON) to represent numbers.
Binary is presented on the upper display only. The upper line of six LEDs indicate the hour, the lower line indicates minutes. Binary is read from the right, the first lit LED representing the number 1. This is then doubled; 2, 4, 8, 16 and 32. A combination of these numbers represents the time in hours and minutes.