JRC JMR-92 Series Field Service Manual page 780

(6) Press the "Browse..." button in the Step4 Select update file item. When the Explorer
screen is activated, select the latest SLC/ALC firmware file (SLC _APL_***.img).
When the firmware type and update file do not match, an error occurs.
(7) After the file is selected, the "Update" button is enabled in the Step5 Update item. Start
Update by pressing the button.
5-37 Section 5 Software Update