private communication in a system that con-
sists of other LS-147C/F1's or equivalent
equipment.
(4) Radio Set AN/VRC47. The AX
VRC-47 (TM 11-5820-401-10) provides
vehicles or crew-served weapons. The AN
VRC47 radio set consists of Receiver-Trans-
Receiverr, Radio R112 VRC (fig. 1-7), and
Loudspeaker, Permanent Magnet LS-154/U
( 5 ) Radio Receiving Set AN/GRR-5
28415) is a mobile amplitude modulated
(am.) receiver used primarily to monitor
warning broadcast nets. The AN GRR-5 con-
sists of Receiver R174/GRR-5, Power Sup-
ply PP308/URR, and accissories.
1-9. Description of
Miscellaneous Compo-
nents
are secured in their mounting bases on the
a 1.5-kilowatt heating element and a fan for air
circulation. Horizontal louvers on the front of
each heater are adjustable to deflect the air-
stream. O])el.sting controls are located on the
top of each heater.
b. Blowers. The blowers, one store and one
installed, are equipped with removable covers
\vhich muffle the sound when the blower is in
operation. The installed blower (fig. 17) is an
exhaust blower to the outside of the shelter.
c. Clock. An 8-day, luminous-dial, 24-hour
clock is mounted on the f rent wall (fig. 51)
of the shelter. A knob on the left-hand side is
used for winding and setting the clock.
d : Air Conditioner, Model F-9000-2, (FSN
4120-6792669 ) (fig. 110). The Model F-