Tektronix TG700, Руководство пользователя

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GPS7 GPS Synchronization and Timecode Module
REFERENCE Submenu Use this submenu to select the timing reference and the response for a loss of lock
to the timing reference. The following
fi gure shows the REFERENCE submenu.
Figure 3-56: GPS7 module REFERENCE submenu
SOURCE.
Use the left ( ◄ ) or right ( ► ) arrow button to set the reference source
for the module timing. Select one of the following references, and then press the
ENTER button to con fi rm the selection.
GPS Signal: Uses the GPS signal input as the timing reference.
Internal: Uses the internal clock frequency setting as the timing reference.
NTSC Burst: Uses the NTSC black burst signal applied to the
BLACK 1 / REF IN connector as the timing reference.
NTSC Burst with 10 FieldID: Uses the NTSC black burst with 10 Field ID
signal applied to the BLACK 1 / REF IN connector as the timing reference.
PAL Burst: Uses the PAL black burst signal applied to the
BLACK 1 / REF IN connector as the timing reference.
HD SYNC: Uses the HDTV trilevel signal applied to the BLACK 1 / REF IN
connector as the timing reference.
NOTE.
The Time Of Day can also be set to Internal, VITC, or GPS. (See
page 3-124, TIME OF DAY Submenu.)
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