Chapter 6 Advanced Operations; Controlling The Playback/Recording Speed; Controlling The Playback Speed -Variable-Speed Playback - Sony PCM-7040 Operation Manual

6-1 Controlling the Playback/Recording Speed

6-1-1 Controlling the Playback
Speed—Variable-Speed Playback
You can change the playback speed using the search
dial. When the SYNC signal selector is set to "INT",
variable-speed playback is possible within a range
from –12.5% to +12.5% (in increments of 0.1%) of
normal playback speed. If the SYNC signal selector is
set to "VIDEO", variable-speed playback is possible
within the range from –12.4% to +12.4% (in
increments of 0.2%) of normal playback speed.
1
Check that the SYNC signal selector is set to
"INT" or "VIDEO".
(To select "VIDEO", there must be a video sync
signal coming from the REF VIDEO INPUT
connector on the connector panel.)
2
Press the VARI SPEED key in the playback or
stop mode.
The indicator lights, and the unit enters the
variable-speed playback mode.
The current speed is displayed in the input/set data
display area.
3
Turn the search dial while pressing down the
DATA key.
To increase the playback speed: Turn the
search dial clockwise.
To decrease the playback speed: Turn the
search dial counterclockwise.
To set the speed to "00.0%" (normal speed):
Press the RESET key while holding down the
DATA key.
To release the variable-speed playback mode
Press the VARI SPEED key during the variable-speed
playback.
The indicator goes off and the unit returns to the
normal playback mode. In variable-speed playback
mode, the last speed you set remains in effect.
1
2 3
The set variable speed value is retained even when the
power is turned off.
To perform –0.1 % playback (time code
29.97 HzDF) with a film based-system
(FOSTEX format)
4
1
Set "rEF-tcF" (REFERENCE & TC FORMAT) in
the set up menu to "30 dF".
See section 7-3 "Dial Menu Operations" (page 7-5)
for menu operation.
2
Set "SYnc nrr" (SYNC LOCK RANGE) in the set
up menu to "oFF".
See section 7-3 "Dial Menu Operations" (page 7-5)
for menu operation.
3
Set the SYNC signal selector to "VIDEO" and
input the 29.97 Hz video synchronization signal.
The vari-speed value is set to -0.1%. To record an
external time code, input the 29.97 frame/sec. time
code and DF mode, locked to the input video sync
signal.
4
Press the PLAY key.
This unit starts playing.
Sampling frequency : 48 kHz becomes 47.952 kHz
and 44.1kHz becomes 44.056 kHz
Output time code : 29.97 HzDF
To perform –0.1% playback (sampling
frequency of 47.952 kHz) with an HDVS-
based system
See the section "To –0.1% record (sampling frequency
of 47.952 kHz) with an HDVS-based system (on page
6-3). In step 4, press the PLAY key. Playback starts,
and "VARI SPEED" flashes on the display.

Chapter 6 Advanced Operations

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1,2
6-1