How to change time setting on a DTU-32D-1A9BK) TEL

First it needs to be done from the swithboard phone (Extension 100) port 1 or 2
1- Press Feature
2- Dial 9
3- Dial #
4- Dial Current time eg 03:29
5- Press Recall to toggle AM/PM
6- Press Hold to advance to the calendar
7- Press Recall to select the day of the week
8- Press # to move the cursor to the day of month setting
9- Enter the day by using the dial pad
10- Press Recall to select the month
11- Press # to move the cursor to the year setting
12- Enter the year by using the dial pad (only the last two digits are entered)
13- Press Feature
If only setting the time, press Feature after making the changes.