Telephone system how to change time

How to change the time and date for telephone systems

• Press function then #0
• Press one
• Press F2 "save"
• Password 0,0,0,0
• F2 "show"
• Press F2 "next" until you see "System Time"
• Press F3 to "show"
• Enter year, month day, weekday, hour, minute
• Press F2 "next" or press F3 to "chg"
• F3 to find the right option or press F2 to advance
• Press the hold key to exit