The following port numbers are unavailable since they are already in use.20, 23, 25, 42, 53, 67, 68, 69, 80, 110, 123, 161, 162, 443, 995, 10669, 10670[FTP mode]Select “Passive” or “Active” for the FTP mode.Normally, select “Passive”. When it is impossible to connect after select “Passive”, try to connect after selecting“Active”.• Default: Passive16.2.3 Configure the settings relating to the NTP serverThe settings relating to the NTP server such as the NTP server address, port number, etc. can be configuredon this page.IMPORTANT• Use an NTP server when the more accurate time & date setting is required for the system operation.[Time adjustment]Select the time adjustment method from the following. Time adjusted by the selected method will be used asthe standard time of the camera.• Manual: Time set on the [Basic] tab on the “Basic” page will be used as the standard time of the camera.• Synchronization with NTP server: Time automatically adjusted by synchronizing with the NTP serverwill be used as the standard time of the camera.• Default: Manual[NTP server address setting]When “Synchronization with NTP server” is selected for “Time adjustment”, select the method of how to obtainthe NTP server address from the following.• Auto: Obtains the NTP server address from the DHCP server.• Manual: The NTP server address will be entered manually on “NTP server address”.• Default: ManualIMPORTANT• When obtaining the NTP server address from the DHCP server, it is necessary to select “DHCP”,“Auto(AutoIP)”, or “Auto(Advanced)” for “Network Settings” on the [Network] tab of the “Network” page.(®page 145)Operating Instructions 15716 Configuring the network settings [Network]