TM 11-6625-1830-12
Transmitter, Radar RT-899/APS-94D. Technical
manual TM 11-5895-578-34 (when published),
(fig. 2-7)
covering Radar Surveillance Set AN/APS-94D,
To coarse zero power meter 2A4, proceed as
contains the procedures for operating the test set.
follows:
Table 2-5 lists the cables and cable connections
a. Turn the RF power to the power meter off
for testing the AN/APS-94D modules.
by turning the RF test set POWER switch to
OFF (fig. 2-7).
b. Set the power meter RANGE selector switch
Perform the following when use of the test set
(fig. 2-7) to COARSE ZERO.
group is completed. The control unit-RF test
e. Adjust the COARSE ZERO screwdriver ad-
set configuration covered in a and b below covers
justment until the meter indicates zero.
the control unit-module test set configuration.
a Control Unit-RF Test Sat Configuration.
(1) Set the RF test set POWER switch to
The test set group is used to test and align,
and as an aid in troubleshooting Receiver-
OFF (fig. 2-6).
the RF test set and secure them by fastening the
(2) Set the control unit RT POWER switch
to OFF and the control unit PRIME POWER-
draw-bolt latches (fig. l-l and 1-2).
b. Control Unit-Module Test Set Configura-
POWER switch to OFF (fig. 26).
(3) Disconnect the test cables connecting
tion.
the control unit to the receiver-transmitter (fig.
(1) If ON, set the module test set HIGH
2-9).
VOLTAGE switch to OFF (fig. 2-8).
(2) Set the module test set PRIME POWER-
(4) Disconnect subassembly 2A1 and remove
POWER switch to OFF (fig. 2-8).
it from the RF test set (para 2-8).
(3) Disconnect the test cables connecting the
(5) Remove the receiver-transmitter from
control unit to the module test set (fig. 2-10).
).
(4) Disconnect any module extender cables
cables between the con-
that may be connected to the module test set (fig.
trol unit and the RF test set (fig. 2-9).
2-10).
(7) Place the cables in the storage compart-
(5) Place the cables in the storage compart-
ment of the control unit (fig. l-l).
ments of the control unit (fig. l-l) and the
(8) Place subassembly 2A1 and the minor
module test set ( fig. 13).
components in the RF test set storage compart-
(6) Place the covers on the control unit and
ment
the module test set and secure by fastening the
(
the covers on the control unit and
latches (figs. l-l and 1-3).
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