Furuno FE-700 manual Diagnostic Test, Test Pattern, Black, White

6.6 Diagnostic Test

The diagnostic test checks the ROM, RAM, color bar and keyboard for proper operation.

1.Turn on the power while pressing any key. Release the keys when the following display appears.

EXTENSION MODE

+ : TRANSDUCER SETTING

- : TEST

▲: CLEAR MEMORY

▼: DEMONSTRATION

SELECT MODE

2.Press the [-] key.

Color bar (16 colors)

6.7 Test Pattern

The test pattern is used to check color performance.

1.Turn on the POWER SWITCH while pressing any key.

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

BLACK

↓

ROM : OK

DRAM : OK

SRAM : OK

RANGE: 4

GAIN : 150

MODE : 5

Key status

Position of Range knob Gain knob setting Position of Mode knob

WHITE

↓

BLK RED GRN Blue YEL PPL Aqua WHT

BATTERY : OK

PROGRAM No.: 0252297002

3.The ROM, DRAM, SRAM and internal battery are checked and the results are displayed as OK or NG (No Good).

If NG appears, contact your dealer for advice.

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

5.Operate the controls. The RANGE and MODE control setting indications should be the same as actual control settings. The GAIN control setting indication should be between 0 and more than 230.

6.Press the POWER SWITCH to finish. Turn on the power again to resume operation.

↓

3.Press the BRILL key again to return to the EXTENSION MODE menu.

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