Getting Started
Antenna current and fault thresholds.
1.
Connect the BNC-to-Banana-plug adapter to the voltmeter.
2.
Connect the BNC T to the adapter.
3.
Set the antenna power to 5 V:
a.
Press the
MODULE
button to navigate to the
GPS7
module.
b.
Use the up (
▲
) or down (
▼
) arrow button to select
GPS SETUP
.
c.
Press the
ENTER
button.
d.
Use the up (
▲
) or down (
▼
) arrow button to select
Antenna Power
.
e.
Use the left (
◄
) or right (
►
) arrow button to select
5 V
.
f.
Press the
ENTER
button.
4.
Connect a 75
Ω
BNC cable to the other end of the BNC T connector.
5.
Connect the other end of the cable to the antenna input on the rear of the
module.
6.
Check that the LED located between the DSUB connector and the antenna
input on the rear panel of the module is
fl
ashing green. Green indicates an
open circuit.
7.
Apply a 75
Ω
terminator to the BNC T and check that the voltage is between
4.5 V and 5 V.
8.
Check that the LED on the module back panel is a steady green. This indicates
a nominal load.
9.
Connect the second BNC T and 75
Ω
terminator to the antenna system to
exceed the allowed antenna current.
10.
Check that the LED on the module rear panel is a steady red. This indicates a
short circuit.
11.
Remove the terminators and the connection to the voltmeter.
Lock to GPS through antenna.
CAUTION.
To avoid antenna damage, do not turn on the DC antenna power until
you know that the antenna is designed to handle the selected voltage. Antenna
damage can occur if the antenna is not designed to handle the voltage you select.
1–26
TG700 TV Signal Generator Platform User Manual
Содержание TG700
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Страница 34: ...Getting Started Figure 1 1 Installing the rackmount hardware 1 6 TG700 TV Signal Generator Platform User Manual...
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