When the key is in the steering wheel lock position "ACC(I)" or "ON(II)"
"RESET": To set the minutes to zero, press the "SET" button. When you release the button, the watch will return to the hour display without minutes. For example, if you pressed the "SET" button when the clock was showing between 9:01 and 9:29, the clock will be set to 9:00. If you pressed if you press the button while the clock was showing between 9:30 and 9:59, the clock will be set to 10:00. Use this method to set the clock when transmitting precise time signals over the radio.
9:01-9:29=9:00
9:30-9:59=10:00
"HOUR": To change the numbers indicating the hours, press the "H" key.
"MIN": To change the numbers indicating minutes, press the "M" key.
Based on website data www.MAZbook.ru