Icom IC-7800 Instruction Manual page 198

UPDATING THE FIRMWARE
!3 After the firmware loading is completed, the trans-
ceiver starts the update automatically and the dialog
as at left is displayed.
RWARNING!: NEVER turn the IC-7800 power
OFF at this stage.
The transceiver firmware will be damaged.
!4 When the dialog disappears, the precaution as at
left is displayed.
!5 Read the precaution carefully, and then push
[F-6•OK].
• Return to CF card set menu.
!6 Push [POWER] to turn the IC-7800 power OFF,
then ON again.
!7 Depending on the updating, one to four dialog as at
left appears in sequence.
RWARNING!: NEVER turn the IC-7800 power
OFF at this stage.
The transceiver firmware will be damaged.
!8 After the dialog disappears, the firmware updating
is completed and normal operation screen appears.
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