Roland V-Accordion FR-8x Service Notes page 35

11. Bellows check
The display shows:
Note: 64 is the idle value of the bellows.
Make sure that the display shows the value of 64 when the bellows is idle.
Check that, when opening the bellows with a growing strength, the value on the display varies from 64 to 127.
Check that, when closing the bellows with a growing strength the display shows a value variation from 64 to 1.
Press the Treble register [14] to pass on to the next test.
12. LCD check
The display shows:
The Treble registers from [1] to [6] are associated to the tests for the LCDs; press them one at a time while
checking that the LCD works properly:
Treble registers [1] = LCD On
Treble registers [4] = Light Off
Treble registers [2] = LCD Off
Treble registers [5] = Light On
Treble registers [3] = Colors
Treble registers [6] = Image
FR-8X/XD
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