Essilor Instruments APH 550, Руководство по обслуживанию

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7 Maintenance Mode
The maintenance mode includes the settings which are necessary for the maintenance such
as the chart, evaluation of the hardware, correction of the adjustment data of the product
and print-out.
7-1 Start-up of maintenance mode
1) Turn the power on whole pressing the dial push key.
2) Release the dial push key when it starts beeping and
the screen on the right appears by pressing and holding
the dial push key.
3) The maintenance mode is started up approximately 5
seconds after of displaying “Maintenance Mode
Loading...”.
The menu screen appears when the maintenance
mode is started up.
The items can be selected by the touch panel.
Also they can be selected with the dial push key by
moving the cursor with the selection key or .
Refer to 7-2 about the details of each menu.
Turn the power off once and turn it on again, and check the performance
in the normal mode after completing the setting of the maintenance mode.