Tektronix TG700, Руководство пользователя

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GPS7 GPS Synchronization and Timecode Module
ALARM DELAY Submenu Use this menu to set delays for warning messages. Setting a delay allows short
errors and warnings to be ignored. For example, with the holdover capability, a
short GPS unlock will not cause any disruption in the syncs, so there is no reason
to immediately register an error and trigger an ECO to change. Use the up (
▲ ) or
down ( ▼ ) arrow button to change the menu items. The following fi gure shows
the ALARM DELAY submenu.
Figure 3-69: GPS7 module ALARM DELAY submenu
GPO Loss of Lock.
Use this feature to set a delay between the time when loss of
lock is detected and when it is reported on the GPI output. Press the ENTER
button, and then use the left ( ◄ ) or right ( ► ) arrow button to select a digit in the
delay time before a GPO loss of lock warning message is displayed. An underline
character appears under the selected digit. The date and time digits take the
following form: HH:MM:SS.
After you select a digit, use the up ( ▲ ) or down ( ▼ ) arrow button to change
the value of the digit. Repeat for each digit as required. Press the ENTER to
con fi rm the change.
GPO Signal Warning.
Use this feature to set a delay between the time when a
signal warning is detected and when it is reported on the GPI output. Press the
ENTER button, and then use the left ( ◄ ) or right ( ► ) arrow button to select a
digit in the delay time before a GPO signal warning message is displayed. An
underline character appears under the selected digit. The date and time digits
take the following form: HH:MM:SS.
After you select a digit, use the up ( ▲ ) or down ( ▼ ) arrow button to change
the value of the digit. Repeat for each digit as required. Press the ENTER to
con fi rm the change.
3–132 TG700 TV Signal Generator Platform User Manual