JRC JMR-7210-6X, Instruction Manual

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21-33 Section 21 Maintenance & Inspection
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21.4.3 Confirming the operation of the operation unit [Key
Test]
Confirm the operation of the keys of the operation unit.
1
Click on the [Menu] button on the left Toolbar.
The menu is displayed.
2
Click on the [Maintenance] - [Selftest] - [Key Test] button on the menu.
3
Click on the [Key Test Start] button.
Key Test screen is displayed.