D-Link DGS-1224T Manual page 23

Password Change: You can use this Password Change when you
need to change the password, fill in the password needed in the dialog
box and press "Set" button to proceed the password change
immediately.
Figure 11. Password Change
Firmware Upgrade: When the device has a new function, there will
be a new firmware to update the device, use this function to update.
Figure 12.
Web Access: Double click the device in the Monitor List or select a
device in the Monitor List and press this "Web Access" button to
access the device in Web browser.
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