TM11-5895-846-14
WARNING
NOTE
ELECTROMAGNETIC RADIATION
If it is necessary or desirable to
DO NOT STAND IN THE DIRECT PATH
remove the remote control unit after
OF THE ANTENNA WHEN THE POWER
acquisition has been accomplished,
IS ONI DO NOT WORK ON THE
place the antenna control (drawer unit)
WAVEGUIDES WHILE THE POWER IS
SCAN MODE switch to the AUTO
ONI High Frequency electromagnetic
position and its MGC control to the
radiation can cause fatal internal burns.
same setting as that on the remote
It can literally cook internal organs and
control unit. Disconnect the remote
flesh. If you feel the slightest warming
control unit cable from the antenna
effect while near this equipment, MOVE
entry panel. The antenna will continue
AWAY QUICKLYI
to automatically track the satellite.
NOTE
(5) Observe that the REMOTE ON and
TRACK SIG LOSS indicators are illuminated.
(6) Place the MODE switch to the ACQ
If the satellite cannot be acquired it
position.
will be necessary to recheck the
(7) Antenna travel will stop when the satellite
sighting points and the antenna
is acquired, the MONITOR meter will indicate a satellite
heading; refer to paragraph 2-9.
signal, and the TRACK SIG LOSS indicator will be
extinguished.
3-17.
Setting the Antenna Elevation Safety Switch
(8) Decrease the MGC control setting (adjust
for the 8-foot antenna
CW) until the TRACK SIG LOSS indicator is just
After the satellite is acquired, set the antenna elevation
illuminated.
safety switch. The control knob for the switch is located
(9) Increase the MGC control setting (CCW)
on top of the elevation position readout assembly on the
to the next higher position on its dial (i.e., if the TRACK
antenna's left pillow block (fig. 3-22). Proceed as
SIG LOSS indicator is illuminated at 110, set the control
follows:
to 115): the indicator should be extinguished.
a. If the satellite elevation angle is approximately
(10) Place the MODE switch to the MANUAL
20 degrees or above, set the control knob to 16 degrees.
position.
Maintain a tracking angle difference of approximately 4
(11) Operate the AXIS CONTROL switch for a
degrees, minimum.
maximum indication on the CARRIER LEVEL meter.
b. If the satellite elevation angle is approximately
(12) Place the MODE switch to the AUTO
29 degrees or below, set the control knob to 15 degrees
position. The antenna now will automatically track the
or below, respectively.
Maintain a tracking angle
satellite.
difference of approximately 4 degrees.
3-42
