Figure 5-14. ASIP RT FUNCTION SWITCH

TM 11-5820-890-10-8

Figure 5-14. ASIP RT FUNCTION SWITCH

FUNCTION CONTROL POSITIONS AND USES

PURPOSE

POSITION

OFF

All power is shut off; all stored data, (COMSEC, FH, sync time, and manpack

battery life indicator) are deleted after 5 seconds; radio is completely

inoperable; position is used when radio is not in use and for storage.

Clears COMSEC, after 5 seconds clears all FH data; operator pauses in this

(Zero)

position for 5 seconds when setting FCTN switch to OFF.

STBY

Makes radio inoperative but all stored data is retained; sync time is lost after

200 hours; setting FCTN to SQ ON returns radio to fully operational status. In

(Stand By)

STBY, power is drawn from main source.

TST

This position causes self-test of RT data and ECCM circuits; test results are

shown in RT display. Running RT self-test is a routine step in start up

(Test)

procedure.

The load position is required for loading SC frequencies, FH data, and

(Load)

COMSEC keys; required also to receive an ERE

SQ ON

This is the normal operating position of the radio for FH mode. For SC mode,

this position reduces noise.

(Squelch On)

SQ OFF

This position is not used for the FH mode. In the SC mode, SQ OFF helps to

bring distant stations, to work through jamming, and to be compatible with

(Squelch Off))

radios lacking squelch capability.

REM

The REM position disables front panel controls and is required for use of the

Control-Monitor, Remote Control Unit (RCU) and HRCRD.

(Remote)

RXMT

Use of the RXMT position enables the RT to automatically retransmit traffic from

one radio through another. Both RTs are set to RXMT position and connected

(Retransmit)

by an RXMT cable.

5-17