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17-4
17
UPDATING THE FIRMWARE
■
Firmware update— using an SD card/USB flash drive
When updating the firmware using a memory device,
no IP address as well as subnet mask settings are
necessary.
q
Copy the downloaded firmware data onto an SD
card or a USB flash drive (“IC-7850_7851” folder).
• The memory device must be formatted by the
IC-7850
.
w
Insert the SD card into the [SD CARD] slot or insert
the flash drive to [USB A].
e
On the
Set mode menu screen
, display the
SD/
USB-Memory menu
screen.
SET
[F-7]
SD/USB
[F-7]
r
Hold down [FIRMUP] for 1 second.
• The
Firmware update agreement screen
is displayed.
Carefully read the displayed precaution.
t
After you read and agree with all the precautions,
push [OK].
• The [OK] button appears only when you scroll down to
the end of the precaution.
y
Push [SD/USB] to select between a USB flash drive
and an SD card.
u
Push [
∫
](F) or [
√
](F) to select the firmware
updating data. (Example: 7850_7851_300.DAT)
i
Push [FIRM UP](F).
• The
Firmware update confirmation screen
is displayed.
Carefully read the displayed precaution on the screen.
o
After you read all the precautions, hold down [OK]
for 1 second to start the firmware update.
• The firmware update starts.
• To cancel the update, push [CANCEL](F).
(Continued on the next page)
CAUTION: NEVER
turn the transceiver power OFF
while updating the firmware.
If you turn the transceiver power OFF, or if a power
failure occurs while updating, the transceiver firm-
ware will be damaged and you will have to send the
transceiver back to the nearest Icom distributor for
repair. This type of repair is out of warranty even if
the warranty period is still valid.
•
Set mode menu screen
•
SD/USB-Memory menu screen
•
File selecting screen
Select the firmware updating data.
•
Firmware update agreement screen
•
Firmware update confirmation screen