Could you please tell me the steps > ?
i follow below one but it didn't work .
Change the Time and Date
1. Press (SUPERKEY), and then press >> until FEATURES? appears.
2. Press OK, and then press ▼ until TIME AND DATE? appears.
3. Press OK. SET TIME? appears.
4. Do one of the following:
• To change the time, press YES. 12 OR 24 HR FORMAT? appears. Proceed to
step 5.
• To change the date, press NO. SET DATE? appears. Proceed to step 9.
5. Do one of the following:
• To enter the time in a.m./p.m. format, press 12.
• To enter the time using the 24-hour clock, press 24.
6. Enter the time (for example, 1236 for 12:36; 0220 for 02:20), and then press SUBMIT.
7. (For a.m./p.m. only) Press AM or PM. SET TIME? appears with the new time.
8. Press NO. SET DATE? appears.
9. Do one of the following:
• To change the date, press YES, and then proceed to step 10.
• To return to the main menu, press NO, and then proceed to step 11.
10. Enter the date (for example, enter 161204 for 16 December 2004), and then press
SUBMIT. SET DATE? appears with the new date.
11. Do one of the following:
• To return to the main menu, press NO.
• To return to the default display, press (SUPERKEY).
Since there is no key in 5312 like this : press >>