JVC GZ-HD300AEK Service Manual page 8

3.Execute update
(1)Disconnect the USB cable, and remove Everio from the PC.
(2)Check the current and updated versions, and then select "YES".
(3)Carefully read and understand the warning, and then select "YES".
* It takes about 1 minutes and 30 seconds to complete the update.
OK
(4)Select "OK", and then re-start Everio.
(5)After the re-start, check that the current firmware is updated in UPDATE.
MENU > BASIC SETTINGS > UPDATE
When the updated firmware version is confirmed, select "NO".
1-8 (No.YF307<Rev.003>)
OK
Fig.2-4-5
MENU
Fig.2-4-6
OK
Fig.2-4-7
OK
Fig.2-4-8
MENU
OK
MENU
MENU
MENU