Icom IC-7800 Instruction Manual page 221

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UPDATING THE FIRMWARE
!3 After the firmware loading is completed, the trans-
ceiver starts the update automatically and the dia-
log as at left is displayed.
R WARNING! 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/USB-Memory 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.
R WARNING! NEVER turn the IC-7800 power
OFF at this stage.
The transceiver firmware will be damaged.
!8 After the dialog disappears, the firmware updat-
ing is completed and normal operation screen ap-
pears.
16-5
16

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Questions and answers

Thomas M Fields
February 2, 2025

My 7800 automatically goes into Split mode when transmitting on the "Main" side of the radio. It transfers the Main frequency to the "Sub" frequency, goes into split mode and transmits on the Sub side of the radio. What Causes that and how do I cancel that?

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