JRC JMR-92 Series Field Service Manual page 573

Step 1 From nearby JRC sales department, receive the data files for CCU
replacement.
From JRC head office, or a nearby branch or local office, receive the following four items for
replacement.
1. The Initial setteing tool
2. The latest MFD application
3. Corresponding Licence file
4. Ship's equipment information
These data files must be saved into your USB flash drive, and brought to the ship at
the replacement work.
For the details that how to obtain those data files for CCU replacement,
please contact our head office or a nearby branch or local office beforehand.
The USB flash drives which are password protected or encrypted are not
available in this work.
Step 2 Turn off the Display Unit and remove the front cover of the display
unit mount kit.
Turn off the Display Unit.
Loosen the screws that fasten the front cover of the display unit mount kit with a flat head
screwdriver and then take out the front cover.
Chapter 4 Replacement procedure 4-352