Sony J30SDI User Manual download pdf (Page 27)

Chapter 4 Playback

Chapter 4 Playback 4-3

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).

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Sony J30SDI User Manual Page 27

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