JRC INMARSAT FleetBroadband FB250 Operation Manual page 172

Maritime satellite communication terminal
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Appendix C JUE-250 software updating procedure
9.2. Recovery procedure when software update is failed
1.
Turn OFF the power supply of JUE-250.
2.
Quit [JUE-250 Upgrader], if it is still activating.
3.
Turn ON the power supply of JUE-250 with pressing the right side button of the Handset.
4.
Leave your finger from PTT button when Ready LED of main unit starts to blink.
5.
Confirm the Handset screen transition, it displays [Initialize] and [Safe Mode].
Initialize
6.
Repeat from the 2nd procedure of [3 . Update JUE-250 software].
Right side button
Safe Mode
154
Right side button

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