Panel Key Led; Display Lcd; Lcd Current Adj; 3]: Next - Furuno FS-1575 Service Manual

6.5 SERVICE: TEST

4. PANEL KEY LED

This test menu is used to check for the brightness of LED in the panel key. The
brightness is variable in the range of "0" to "17."

5. DISPLAY LCD

This test menu is used to check for the brightness of the LCD. The brightness is variable
in the range of "0" to "17."

6. LCD CURRENT ADJ

This test menu is used to adjust current flowing through the LCD. The current is
adjustable in the range of "0" to "255."

7. [3]: NEXT

Every time the [3] key is pressed, the LCD window changes to "White" -> "Black" ->
"Previous window."
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