Sony PMW320K Product Manual (PMW320 Operating Instruction) - Page 74
Select [P. Cache Rec Time], turn the, >Rec Function >Picture Cache Rec.
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Chapter 4 Shooting Note that it may not be possible to start this far in advance in the special cases explained in the following notes. Notes • Storage of picture data to memory begins when you select picture cache mode. Therefore, if you start recording immediately after selecting picture cache mode, the picture data from before the selection is not recorded. • No data is recorded to picture cache memory during playback or recording review and display of thumbnails. It is not possible to record picture data from the time you were conducting playback or a recording review. To select picture cache mode and set the picture cache time Notes • Picture cache recording is not possible in Frame Rec, Interval Rec, and Slow & Quick Motion mode. The camcorder exits Frame Rec, Interval Rec, or Slow & Quick Motion mode whenever you select picture cache mode. The camcorder exits picture cache mode automatically whenever you select Frame Rec, Interval Rec, or Slow & Quick Motion mode. • The data stored in picture cache memory is cleared when you change the system settings, for example by selecting a different video format. Picture data from before the change is not recorded even if you start recording immediately after the change. The camcorder exits picture cache mode automatically. • It is not possible to set the picture cache time during recording. 1 In the setup menu, select OPERATION >Rec Function >Picture Cache Rec. For menu operations, see "Basic Setup Menu Operations" (page 93). 2 Turn the MENU knob to select [On], and then press the knob. 3 Select [P. Cache Rec Time], turn the MENU knob to select the desired picture cache time, and then press the knob. You can select from 0-2sec, 2-4sec, 4-6sec, 6-8sec, 8-10sec, 10-12sec, 12-14sec, and 13-15sec. Once made, picture cache mode settings remain in effect until changed. Instead of carrying out steps 1 and 2, you can also select picture cache mode by using an assignable 74 Advanced Operations switch to which the Picture Cache function has been assigned (see page 131). Camcorder data handling while recording in picture cache mode Recording procedures in picture cache mode are basically the same as normal recording procedures. However, note the following differences with respect to how the camcorder handles video, time, and output data. • If you start recording while the media is being accessed, the start point of the video that is actually recorded may be later than the currently specified picture cache time. Because the delay increases as the number of recorded clips increases, you should avoid rapid startand-stop recording operations in picture cache mode. • Regardless of the setting of the F-RUN/SET/ R-RUN switch, the advance mode of the internal timecode generator is always F-RUN. • In picture cache mode, you cannot set time data by setting the F-RUN/SET/R-RUN switch to SET. To set time data, exit picture cache mode. • If the remaining free capacity of the media in the currently selected slot is less than the picture cache time, and the media in the other slot has enough remaining capacity, then data is recorded to the media in the other slot. However, no data is recorded when there is no media in the other slot, and when the media in the other slot does not have enough remaining capacity. (A message appears in the viewfinder to inform you that there is not enough remaining capacity.) • Shot marks are not recorded if they are set before the recording start operation. • When you select a video format that supports i.LINK HDV output and play a clip that was recorded in picture cache mode, two or more frames with the same picture and timecode may follow on each other. • i.LINK output is possible during picture cache recording. However, the picture cache time is limited. If power is lost during recording • If you set the camcorder's POWER switch to OFF, the camcorder is powered off automatically after a few seconds, during which the media is accessed to record the video and audio data stored in the camcorder's memory up to that point.