TM 11-6625-1702-12
b. Loosen the four fasteners that hold the
Caution: Use only fuses of the correct value
control panel, lift the test set from the test set
when replacing a fuse. Overusing can result
case, and place it into position. (If desired, the
in damage to the equipment.
test set may be operated without removal from
the test set case.)
c. Remove the cables stored on the ground
W h e n the antenna coupler is mounted on the
p l a n e , loosen the four fasteners holding the
g r o u n d plane, it is connected to the control
ground plane, remove it from the test set cover,
panel by means of W1 and W2, When the an-
unfold its sides and legs, and place it upright
tenna coupler is mounted on the control panel,
in a desirable position in relation to the con-
i t is direct-connected to the control panel
trol panel.
P O W E R and RF plugs without using cables
d. When the radome is to be used, unfasten
W 1 and W2. In this latter situation, a milli-
t h e straps that hold it, remove it from the
volt output cable (test lead) connection is re-
t e s t set case, insert into its base the antenna
q u i r e d from FL1 and FL5 of the coupler to
c o u p l e r , insert the radome into the ground
the control panel MV OUTPUT jacks (fig. 2-
plane, using the opening provided for it, and
3). In both testing situations, the control panel
s e c u r e the radome in place by clamping its
must be connected to the vhf/fm radio set, the
base with the fasteners provided on the ground
p l a n e . (The protective cover on the antenna
s o u r c e cables are used to connect the power
coupler may be removed if desired for maxi-
supply to the control panel 28V INPUT jacks.
mum access to the antenna coupler components
by removing the screws which hold it. )
ing cable. The CG-3375/U is required to con-
nect the rf output of the vhf/fro radio set to
2-5. Seating of Fuses
t h e RF INPUT on the test set control panel.
The chart below lists the cables and shows no-
T e s t Set, Antenna AN/ARM-115 contains one
m e n c l a t u r e s , length, and points of origin and
2 - a m p e r e fuse which is installed before the
AN/ARM-115 is shipped. See that this fuse is
destination.