Furuno FCV-600L manual Test Pattern

4.6 Test

The test checks the ROM, RAM, color bar and keyboard for proper operation. You may start the test as follows:

1.Turn on the power while pressing any key.

2.Press t. The following display appears:

4.7 Test Pattern

This feature tests for proper display of colors.

1.Turn on the power while pressing any key.

2.Press the BRILL key three times. Press the BRILL key again to change the test pattern as below.

ROM:

RAM:

PROGRAM No. 02522800**

** = Version no.

Figure 4-1 Test display

3.The ROM and RAM are checked and the results are displayed as OK or NG (No Good).

4.Press and release each key (except the POWER key) one by one. If the key is normal, its on-screen location lights in black and the buzzer sounds while the key is pressed.

GRAY

BLACK

WHITE

WHITE

B		G	B	Y	P	A	W
				E	U
L	R	R					H
A	E	E	L	L	R	Q	I
C	D	E	U	L	P	U	T
K		N	E	O	L	A	E
				W	E

Figure 4-2 Test patterns

3. Press the POWER key to escape.

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