JRC JMR-92 Series Field Service Manual page 756

Initialize the MFD folder of D drive
5.4
This section explains the initialization function of the MFD folder of D drive by special key operation.
The MFD folder of D drive can be initialized by the following procedure.
Caution
When initializing the MFD folder of drive D, the user data is deleted and the user set value is reset.
1.
Turn on the Display Unit power.
The splash screen will appear.
2.
Press [ALERT ACK] and [ZOOM IN] buttons simultaneously and repeatedly when the
splash screen become blackout a moment.
Keep pressing the two buttons repeatedly until the System dialog appears.
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Section 5 Software Update
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