OPERATIONAL CHECK

TM 115820890203

OPERATIONAL CHECK. Continued

2.1.

Step 3. RT SELF-TEST

I CHECKS

ACTIONS

STEPS

N/A

3.1 Set RT COMSEC to CT

YES: Go to Step 3.2

RT passes

Set RT FCTN to TST

NO:

Disconnect ANT and

self-test?

HS; rerun self-test

YES: Connect ANT and

RT then passes

HS; go to Step 3,2

self-test?

NO:

Replace RT

3.2 Set RT:

N/A

FCTN to LD

N/A

CHAN to MAN

DATA to OFF

RT display reads

YES: Continue

30000?

Replace RT

NO:

YES: Go to Step 3,3

COMSEC alarm

NO:

Replace RT

sounds?

YES: Go to STEP 4

COMSEC alarm

3.3 Press PTT twice

Replace RT

NO:

clears?

Step 4. LOAD CHECKS

ACTIONS

CHECKS

STEPS

4.1 Load RT:

SC frequencies

YES: Go to Step 4.2

NO:

Replace RT

load properly?

Chan 1: 41000

Chan 2: 54000

Chan 3: 75000

4.2 Load COMSEC and FH data*

RT accepts fill?

YES: Go to Step 4.3

NO:

Go to TS Guide 1

4.3 Load test sync time (82/09:36)

Test sync time

YES: Go to Step 4.4

loads properly?

NO:

Replace RT

4.4 Set RT to STBY

RT shuts down

YES: Go to Step 4.5

properly?

NO:

Replace RT

4.5 Remove Main Btry

RT retains data in

YES: Go to Step 4.6

Replace after 1 min.

FH and SC?

NO:

Replace RT

Set RT FCTN to SQ ON

4.6 Set RT FCTN to LD

N/A

Load Btry Life Condition

Btry Life loads?

YES: Go to STEP 5

NO:

Replace RT

If using an ANCD, follow ICOM Fill procedure to load COMSEC keys and FH data in all 6

channels. Otherwise, load COMSEC keys and FH data in Channels 1, 2, and 3.