Maintenance
2001989-351A
ApexPro™
4-11
401
Plug the programming box into one of the two serial ports.
3.
Power up the transmitter.
4.
Place the transmitter within one foot of the spectrum analyzer.
5.
Press
PRESET
.
6.
Connect the external 10 MHz reference to the
EXT TRIG IN/EXT REF IN
.
NOTE
The external reference must be accurate to 0.0083ppm. Ensure that you
allow the external reference to warm up (See the device operators manual).
7.
Set the analyzer for external 10MHz reference mode.
a.
Press
SETUP
.
b.
Press
F3
-
HARDWARE SETUP
.
c.
Select
BNC I/O MODE
and press
ENTER
.
d.
Select
EXT REF IN
and press
ENTER
.
8.
Ensure the preamplifier is on.
a.
Press
SETUP
.
b.
Press
F3 - HARDWARE SETUP
.
c.
Select
PREAMP
and press
ENTER
.
d.
Select
ON
and press
ENTER
.
9.
Set the center frequency to match the TTX number of the transmitter being
tested. Refer to the ApexPro Telemetry Frequency Chart Reference Manual for
TTX to frequency comparison.
a.
Press
FREQ
.
b.
Type the center frequency for the tested channel and press
ENTER
.
10. Set the reference amplitude to 0 dBm.
a.
Press
AMPT
.
b.
Type in
0
, press
dBM
and press
ENTER
.
11. Set the span to 50 kHz.
Pins 2 and 4
Summary of Contents for ApexPro TT
Page 9: ...2001989 351A ApexPro vii...
Page 10: ...viii ApexPro 2001989 351A...
Page 11: ...2001989 351A ApexPro 1 1 1 Introduction...
Page 20: ...1 10 ApexPro 2001989 351A Introduction...
Page 21: ...2001989 351A ApexPro 2 1 2 Equipment Overview...
Page 41: ...2001989 351A ApexPro 3 1 3 Installation and configuration...
Page 62: ...3 22 ApexPro 2001989 351A Installation and configuration...
Page 63: ...2001989 351A ApexPro 4 1 4 Maintenance...
Page 84: ...4 22 ApexPro 2001989 351A Maintenance...
Page 85: ...2001989 351A ApexPro 5 1 5 Troubleshooting...
Page 109: ...2001989 351A ApexPro 6 1 6 Replaceable parts...
Page 138: ...6 30 ApexPro 2001989 351A Replaceable parts Quad receiver module...
Page 139: ...2001989 351A ApexPro 7 1 7 Checkout...
Page 163: ...2001989 351A ApexPro A 1 A Technical specifications...
Page 179: ...2001989 351A ApexPro B 1 B Electromagnetic compatibility...
Page 190: ...B 12 ApexPro 2001989 351A Electromagnetic compatibility...
Page 191: ...2001989 351A ApexPro 1 1...