JRC JMR-92 Series Field Service Manual page 772

When the Firmware type and the update file do not match, an error occurs.
(6) After the file is selected, the "Update" button is enabled in the Step4 Update item. Start
Update by pressing the button.
(7) When Update is finished normally, the Update completion window is displayed. When the OK
button is pressed, the remote update tool is updated and processing returns to the Task
screen. When the restart confirmation screen is displayed, restart.
6. Confirming the updating version
After updating, confirm the firmware version in maintenance menu.
(1) Click on the [Menu] button on the left toolbar.
The menu is displayed.
(2) Click on the [Maintenance] - [System Information] button on the menu.
The [System Information] dialog box appears.
Click on the [Software] tab.
5-29 Section 5 Software Update