Panasonic AJ-HPD2500 Operating Instructions - Page 21
During native recording at a 59.94 Hz or 50 Hz setting
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Introduction ■ Native recording The unit provides support for native recording, a mode that records only active frames. This provides longer recording time when a VariCam, AJ-HPX2000/2100 or AJ-HPX3000 is connected to the HD-SDI IN connector. Variable frame rate (VFR) recording becomes possible by connecting a VariCam. ● Native recording defined Native recording extracts only the active frames during 1080i AVC-Intra recording as well as 720P DVCPRO HD and AVC-Intra recording. At 720P, this lengthens the recording time 2 to 2.5 times over pull-down recording. During native recording at a 59.94 Hz or 50 Hz setting in setup menu No. 25 (SYSTEM FREQ), the unit produces pulldown output. Example of 1080-24PN (Native) Camera video A B C D 2:3 pull-down Ao Ae Bo Be Bo Ce Co De Do De Native recording A B C D Example of 720-24PN (Native) Camera video A B C D 2:3 pull-down Active frames Native recording A BB CD D D A B C D ■ 4U rack mount Use the optional rack mount adapter (AJ-MA75P) to place the 4U-size unit in a 19-inch rack. Introduction: Features 21