Tektronix TG700, Руководство пользователя

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Operating Basics
BLACK 1: Outputs the selected serial digital black signal (Option BK only).
BLACK 2: Outputs the selected serial digital black signal (Option BK only).
NOTE.
The SIGNAL 1 and SIGNAL 2 connectors output the same test signal, and
the BLACK 1 and BLACK 2 connectors output the same black signal.
GPS7 Module Connectors The GPS7 GPS Synchronization and Timecode module is equipped with four
BNC connectors and one 15-pin, D-sub connector as described below. (See
Figure 2-12.)
Figure 2-12: GPS7 module connectors
ANTENNA: Input connector for a GPS antenna. The antenna input must
meet speci fi c requirements. (See page 3-101, GPS Antenna Requirements .)
You can use the GPS7 module menu to enable this connector to provide 3.3 V
or 5 V DC power to the antenna. When the connector is con
fi gured to provide
power to the antenna, the rear-panel POWER indicator lights as follows:
Blinks green to indicate an open circuit. This occurs if no antenna is
connected or if the current load is less than expected because a splitter
or DC block is being used.
Displays solid red if the connected antenna is shorted. A shorted antenna
will not damage the GPS7 module. If a splitter is used on the antenna, it
may appear as a short at DC but will still pass through the RF signal,
which will allow the GPS to function.
Displays solid green if the current load of the antenna is within the
nominal range.
LTC/GPI: 15 pin, D-sub connector that carries four differential LTC signals,
one ground closure input, and two ground closure outputs. You can use the
menus to independently set the format and timing of the four LTC signals and
to select the function of the ground closure input and outputs.
The LTC/GPI connector provides full functionality when you use the LTC
DSUB-to-XLR breakout cable that is available as an optional accessory with
2–10 TG700 TV Signal Generator Platform User Manual