Location And Function Of Parts And Controls; Front Panel; Power Switch - Sony PCM-1630 Operation And Maintenance Manual

1-5. LOCATION AND FUNCTION OF PARTS AND CONTROLS
1-5-1. Front Panel
@
EMPHASIS indicator-------------,
@
MUTE indicator---------------,
®
CRC error i n d i c a t o r - - - - - - - - - .
®
POWER switch
----------~
(j)
ENC IN s e l e c t o r - - - - - - - -
®
MONITOR selector - - - - - - - •
®
HEADPHONES jack - - - - - - -
0
DA IN s e l e c t o r - - - - - - - - - - '
G)
MUTE indication mode selector
___j
G)
LEVEL c o n t r o l - - - - - - - - - - - - - - '
G)
PB MODE selector - - - - - - - - - - - - '
([}PB
(playback) MODE selector
Used to select the playback signal(s). The
PB MODE indicators illuminate in accordance
with the setting of this selector.
RAR: When an optional RAR-1 circuit board
(DABK-1630) is installed in the unit, the
RAR (Read After Read) function activate.s
when signals are input simultaneously to
the COMPOSITE DIGITAL INPUT A and B
SAMPLING FREQUENCY indicators
Level meter
REF MARKERs
PB MODE indicators
D-I/0 indicators
•
-
. ..
'·
@
REC LEVEL
ADJUST controls
([§}
PB LEVEL ADJUST controls
REF MARKER selector
PEAK indicafion mode selector
SCALE selector
connectors or to the COMPOSITE DIGITAL A
and B connectors.
When an RAR-1 circuit board is not
installed, the unit operates the same as
when this selector is set to "A" (the PB
MODE "A" indicator illuminates).
1-7 (E)
A: The composite digital A input (input to
the COMPOSITE DIGITAL INPUT A or COMPOSITE
DIGITAL A connector) is selected as a
playback signal. When an optional RAR-1
board is installed in the unit and the RAW
(Read After Write) function of the board is
to be used for dubbing or editing, set the
selector to this position. For details,
refer to the operation and maintenance
manual of the RAR-1 board.
B: The composite digital B input
C
input to
the CO~lPOSITE DIGITAL INPUT B or COMPOSITE
DIGITAL B connector J is selected as a
playback signal.
0
LEVEL control
Adjusts the volume of the headphones.
(})!~UTE indication mode selector
HOLD: Once the muting circuit activates,
the MUTE indicator lights up and stays lit
as long as the unit is turned on.
AUTO: The MUTE indicator lights up only
when the muting circuit activates .
G)oA IN (digital-to-analog input) selector
Selects the source signal to be sent to the
built- in D/A converter.
INT: Signals input to the COMPOSITE DIGITAD
INPUT connectors (BNC type) or the
COMPOSITE DIGITAL connectors (8-pin) are
selected.
EXT: Signals input to the DA IN connectors
(in the DIGITAL I/0 connector section) are
selected.
@HEADPHONES jack (stereo phone jack)
Connect stereo headphones with an 8-ohm
impedance.
@)MONITOR selector
REC: Selects the audio signals to be
re~orded for monitoring and level meter
indication.
PB: Selects the audio playback signals for
monitoring and level meter indication.
®
ENC IN (encoder input) selector
Selects a source signal to the built-in
encoder.
ANALOG (D-IJ: Selects the signals input to
the ANALOG INPUT connectors.
DIGITAL: Selects the signals input to the
ENC IN connectors (in the DIGITAL I/0
connector section)
DUBBING: Selects the signals input to the
COMPOSITE DIGITAL INPUT or COMPOSITE
DIGITAL connectors.
®
POWER switch
Turns the power on and off.
®eRe
(cyclic redundancy check code) error
indicator
This indicator lights up when the unit
detects a CRC error in the playback signal.
~
MUTE indicator
This indicator lights up when the muting
circuit activates, depending upon the
setting of the MUTE indication mode
selector.
U
EMPHASIS indicator
This indicator lights up when input data
contains a pre-emphasized signal, and the
de-emphasis circuit of the unit activates
to de-emphasize the detected pre-emphasized
signal.
~ SAMPLING FREQUENCY indicators
Each indicator lights up, depending upon
the sampling frequency (44.056 or 44.1 kHz)
of the internal sync signal (INT), external
sync signal (EXT) or signal from the tape
being played back (FsiD) .
Q]J
Level meter
The indicators on the level meter light up
to indicate the input level of each channel
during recording, and the recorded level
during playback, depending upon the setting
of the MONITOR selector and the PEAK
1-8 (E)