Figure 1-5.1 Test Panel, modified, front oblique view.

TM 11-6625-1635-12

Figure 1-5.1 Test Panel, modified, front oblique view.

d. Radio Control ( f i g . 1 - 1 or 1-1.1). The the aircraft intercommunications control set. It

radio control provides power, receiver volume, i n c l u d e s a chassis, front and rear mounting

and channel-selection control functions for the plates, and a front panel. The controls and two

AN/ARC-134. A COMM TEST switch is used panel lights are mounted on the front mounting

for disabling the receiver squelch circuit during plate and extend through cutouts in the front

test procedures. A l l controls are on an edge- panel. The translucent front panel is edge-lighted

l i g h t e d plastic front panel, and the selected by the panel lights. A pin receptacle on the rear

channel frequency is indicated on an illuminated mounting plate is provided for connection of the

digital counter dial. The radio control is com- headset-microphone. Eight DZUS fasteners on

pletely inclosed except for the front panel. All the front mounting plate are used to secure the

e l e c t r i c a l connections are completed through intercom control to the test panel.

rear-mounted connectors. The unit is mounted in

f. Power Cable Assembly ( f i g . 1 - 3 ) . T h e

a cutout on the test panel front panel and is held

power cable assembly provides all power con-

in place by four quick-release fasteners (fig. 3-2). nections to the maintenance kit. The assembly,

e. Intercom Control (fig. 1-1.1) The intercom

approximately 5-feet long, consists of in-

control, included in the MK-1004/ARC

dividually insulated cables inclosed by a 48-inch

modified, is used to verify proper performance of length of sleeving. Each individual conductor is

1-10