Sony J30 Product Manual (J10, J10SDI, J30, and J30SDI Manual) - Page 27
Noiseless Playback, Function and Frame Step, Playback Function
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Chapter 4 Playback 2 Turn the SHUTTLE dial to the angle corresponding to the desired playback speed. Playback in shuttle mode starts. 3 Return the SHUTTLE dial to the center indent position or press the STOP button to cancel shuttle mode playback. It is possible to make pressing the JOG/SHUTTLE button to switching between JOG and SHUTTLE mode. Select "KEY" in SELECTION FOR JOG/ SHUTTLE DIAL ENABLE, extended menu item 101, to enable the above feature. (This is the default setting.) To return to normal-speed playback Press the PLAY button. To alternate between normal-speed playback and shuttle mode playback Set the SHUTTLE dial to the position corresponding to the desired shuttle playback speed first. Press the PLAY button, and then press the JOG/SHUTTLE button twice. For intermittent shuttle mode playback, press the STOP button first and then press the JOG/ SHUTTLE button twice. Normally, you turn the SHUTTLE dial after setting the jog/shuttle mode by pressing the JOG/ SHUTTLE button. You can also set the jog/shuttle mode, however, by directly turning the dial. (This is available when SELECTION FOR JOG/ SHUTTLE DIAL ENABLE, extended menu item 101, is set to DIAL.) In this case, you must reset the SHUTTLE dial to the center position after turning it, otherwise the dial is moved by vibration and the tape may start running in the shuttle mode during playback. 4-1-4 Noiseless Playback Function and Frame Step Playback Function When you are using the Betacam SX or MPEG IMX format, you can put this unit into noiseless mode for noiseless jog and shuttle playback at up to ±0.5 times normal speed. During noiseless playback, audio is muted for the MPEG IMX format. For the Betacam SX format, discontinuous audio in frame units is heard. In noiseless mode, you can use the PF-1/2 buttons to step through frames. The step for the MPEG IMX format is 1 frame. The step for the Betacam SX format is 2 frames. To select noiseless mode In the setup menu, set basic menu item 025, NOISELESS to Enable. (The factory default setting is Disable.) JOG or SHTL flashes in the display section. To perform noiseless playback Put the unit into noiseless mode, press the JOG or SHUTTLE button, and rotate the JOG/SHUTTLE dial. This allows you to perform noiseless playback at up to ±0.5 times normal speed. In noiseless mode, the emphasis is on slow-speeds. Therefore the SHUTTLE dial speed settings change from the Normal (0), ±0.03, ±0.12, ±0.5, ±1, ±2, ±10, ±35 (Betacam SX format) (15 steps) to 0, ±0.03, ±0.06, ±0.12, ±0.25, ±0.5, ±1, ±10 (15 steps). For the MPEG IMX format, extended menu item 922 of the setup menu IMX NOISELESS PB allows you to set the playback picture to FRAME, FIELD 1, or FIELD 2 (the factory default setting is FRAME). 4-3 Chapter 4 Playback