Section II. OPERATING INSTRUCTIONS

TM 11-5985-355-13

Figure 2-4. Typical bonding jumper setups.

Section II. OPERATING INSTRUCTIONS

compatible

receiver-transmitter)

which

positions

2-4. Operator's Control and Connectors

frequency selector switch S1. Cable assembly CX-

(fig. 2-5)

13055/GRC adapts radio control cable to connector J2.

Frequency selector switch S1 is used for manual

2-5. Operating Procedure

selection of the correct tuning components for the 10

frequency band segments.

This switch operates

(fig. 2-5)

automatically when the AS-2731/GRC is connected to a

a. The AS-2731/GRC is automatically tuned to the

compatible receiver-transmitter which contains automatic

operating frequency band segment when used with a

antenna tuning facilities. Connector J1 connects the AS-

compatible receiver-transmitter. When used with radios

2731/GRC to a receiver-transmitter rf out-put circuit.

not provided with the automatic tuning function, or when

Connector J2 provides coding input information (from a

radio automatic tuning circuit is defective, the AS-2731/

2-5