Mitel SX50 / SX20 / SX10

Time 24 HH Clock
1. Using the Console dial *15 (On the SX50 the Function key does the same as the *)
2. Enter the time in 24HH format
3. Press Release on the Console
4. Use the Break key to exit programming or lift the handset and replace it to exit programming

Time 12 HH Clock
1. Using the Console dial *14 (On the SX50 the Function key does the same as the *)
2. Enter the time in 24HH format
3. Enter the time in 24HH format
4. Press Release on the Console