How do I adjust the time and date? (Prime)

To change the time and date, please follow these steps:

• Press and hold the 'SET' button until you hear a 'beep' it will begin flashing either '12HR' or '24HR' depending on the setting. 
• Press 'MEM' to change the current setting.
• Once you have chosen the correct setting press 'SET' which will switch you to the next option. 
• Again press 'MEM' to change the current setting.
• Repeat the process until you have updated both time and date.