Talos Security GRGL400 DVR Manual - Manual (Page 60)

5.6.3 VERSION
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▪ Display DVR version and information.
5.6.4 UPGRADE
▪ TYPE: Select the upgrade type. (FTP or Media)
▪ DEVICE: Select the device which contains the upgrade firmware file. (DVD / USB)
▪ CONFIRM: Select On/Off for upgrade confirm message.
▪ UPGRADE: Start upgrade.