SX-50

All Changes Must be Made from the Attendant Console

1. Press the buttons in the following order: "FUNCTION", 1, 4
2. Enter time "HH, MM" (in 24 Hour format)

SX10 & SX20

All Changes Must be Made from the Attendant Console

1. Press the buttons in the following order: *, 1, 5
2. Enter time "HH, MM" (in 24 Hour format)
3. Press the RELEASE button
4. Press the buttons in the following order: *, 8, 0
5. Enter date "DD, MM, YY"
6. Press the RELEASE button

SX200

All Changes Must be Made from the Attendant Console

1. Press the FUNCTION button
2. Press ATT FUNCTION
3. Press SET TIME
4. Enter time "HH, MM"
5. Press AM or PM (if system is programmed for 12 hour clock)
6. Press "SET"
7. Press "EXIT" to end programming

SX2000

All Changes Must be Made from the Attendant Console

1. Press the FUNCTION button
2. Press ATT FUNCTION
3. Press DATE/TIME
4. Press "12 HOUR" softkey
5. Press "SET TIME"
6. Enter time "HH, MM"
7. Press AM or PM
8. Press "EXIT" to end programming

EXPRESS MESSENGER

All Changes Must be Made from the System Administrator Mailbox

1. Press the buttons in the following order: 3, 1
2. Press # to skip date setting
3. Enter time "HH, MM" (in 24 Hour format)
4. Press "*, *" to exit mailbox