Figure 3-7. Bypass Box Cable Connection.

TM 11-5821-285-12-1

ARC-131 radio set in the retransmit mode.

separation must be 10 MHz. When antennas are

installation including two ARC-131 radios is required for

spaced greater than 8 feet apart, the frequency spacing

retransmit operation. The squelch controls (both control

may be decreased. Either radio set can be used for

units) will be set to the desired squelch mode. Do not

normal push-to-talk operation by pressing the transmit

attempt retransmit operation with the squelch controls

button. Perform the following starting procedures for the

set to DIS. Both controls must be set to CARR or TONE.

console:

Adjust the frequency controls (both control units) for the

desired operating frequencies. To operate satisfactorily,

CAUTION

both ARC-131 radios must be tuned to frequencies at

Before keying a radio, make sure

least 3 MHz apart. If however, the antennas are 5 feet

appropriate rf cabling and antenna

apart, then the frequency

connections are made; otherwise,

damage to

the radio may occur.

Figure 3-7. Bypass Box Cable Connection.

3-12