Furuno ECDIS FMD-3100 Installation Manual page 17

1.1.5 How to replace the USB protect key and USB dongle
You will need a Torx screwdriver (T10) to do the replacement.
Turn off the power BEFORE replacing the USB protect key (ENC chart use) and USB
dongle (C-MAP chart use). Unfasten the four screws circled in the figure below to open
the lid. The USB protect key is on the left; the USB dongle on the right.
1.1.6 How to replace an SSD
You will need a Phillips-head screwdriver (PH2) to
do the replacement.
Remove the SSD case from the SSD slot. Unfas-
ten the screws circled in the figure below, then re-
move the SSD.Be sure to insert SSDs into their
correct slots to prevent possible equipment mal-
function.
Tray 0: program memory (4 GB)
Tray 1: chart memory (64 GB)
USB protect key
(left)
Unfasten these screws to
acccess SSDs.
Tray 0: Tray 0:
Program Program
memory memory
1. MOUNTING
USB dongle
(right)
SSD
SSD case
Tray 1 Tray 1
Tray 0 Tray 0
Tray 1: Tray 1:
Chart Chart
memory memory
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