Symmetricom XLi IEEE 1588 Status Display, Menu Display, Where, Locked ∗ GPS PRI UTC, 200212409

SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS

Time Display related functions:

•Select between the 12 or 24 hour format displayed: “F2 – 12/24 Hour Format” on page 39. Time related functions:

•“F1 – Time Zone Offset” on page 38

•“F3 – Time & Date” on page 40

•“F66 – Daylight Saving Time (DST) Mode” on page 63

Status Display

The Status Display comes up automatically when the XLi is rebooted. To manually switch from another display to the Status Display, press STATUS button on the keypad. The keypad appears as follows:

LOCKED	∗ GPS PRI
UTC	200:21:24:09 2002
where:
LOCKED	= System Clock Status is Locked or Unlocked to the current reference source. See Clock
		Status in “F73 – Alarm Control / Status” on page 69
*	= A reference source input has been configured, but is not available. (Note: When using
		GPS, “*” may remain visible for up to 13 minutes) See “F119 – GPS Receiver
		Configuration” on page 110
GPS PRI	= Shows the reference source type (The function that controls each one is noted below):
		• GPS PRI, GPS SEC (“F119 – GPS Receiver Configuration” on page 110)
		• PTP PRI, PTP SEC (“F131 - Precision Time Protocol Network Config” on
		page 119)
		The “IRIG” and “AUX REF” reference sources are also possible, but not supported.
		Automatic switching between the reference sources listed above is controlled by “F74 –
		Clock Source Control” on page 77.
UTC	=	Time display mode: GPS, UTC, TAI, Standard, or Local (“F69 – Time Mode” on
		page 65)
200:21:24:09 2002 =		The time, in DDD:HH:MM:SS YYYY format (See “Time Display” on page 25.)

Menu Display

To use the XLi functions that are available from the keypad, press the MENU button on the keypad. “Function Summary” on page 35 lists which functions are available from the Menu Display.

26 XLi IEEE 1588 Clock

997-01510-03, Rev. C, 12/12/2006