Figure 6-2. Operator Assisted Self-Test (Sheet 13 of 29)

TM 9-4931-381-14&P-1

OPERATOR ASSISTED SELF TEST PROCEDURE

q Test

CONTRAST potentiometer.

q Message display reads -

CONTRAST CONTROL

. Turn

CONTRAST knob (1)

fully

clockwise.

q Press CON key (2).

q Continue test.

q Message display reads -

- FULL

CONTRAST CONTROL

. Turn

CONTRAST

knob (1)

fully

counterclockwise.

q Press CON key (2).

Does message display read -

TEST PASSED:

CONTRAST CONTROL

q Find displayed message in OAST Fail Code

Index.

Refer to OAST Fail Code Index,

q Rerun operator assisted self-test.

q Go to block 1.

ARR82-24099

Figure 6-2. Operator Assisted Self-Test (Sheet 13 of 29)

6-15

Volume Ill