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@ POWER
Push the switch to turn "'ON'' (m=) the power.
@ EJECT
Press the EJECT button
to open
the cassette
compart-
ment.
8
Cassette
Compartment
Cover
(Make
sure
the
erasure
prevention
tab has
not
been
removed from the cassette shell half.)
@ DOLBY NR
Set,
in accordance
with
the
recording
to be made.
For recordings
without' Dolby
NR, set to "'OFF".
For
recordings with Dolby B NR, set to ''B'' (The B indicator
will light up).
For recordings
with Dolby C NR, set to
"C" (The C indicator will light up).
Future mistakes
during
playback
can
be avoided
if the
cassette
is so
marked for Dolby NR encoded recordings.
@ mpPx FILTER
Press
it "ON"
for
the
DOLBY
NR
recording
of FM
broadcasts
(The FILTER
indicator will light up).
Caution
:
@ eREC
When
pressed,
the deck
goes
into the record standby
mode.
The RECORD
indicator
will light.
Initial setting
of recording levels should be made in the record standby
mode.
@ INPUT LEVEL
Used to set the recording fevel.
© BALANCE
Adjust
the
recording
level balance
between
the
left
and right channels.
© PLay
When
pressed,
the recording
wil! start.
eWhen
recording
is finished,
press
the
STOP
(MSTOP)
button.
Be careful not to erase important recordings by mistake.
Mis-erasing can be avoided by following:the two steps below:
1.
If the PLAY
(PLAY)
button is pressed while the
RECORD indicator is on, the tape will be recorded.
PROPER RECORDING
LEVEL
2.
If the PLAY (PLAY) and RECORD
(@REC) button are
pressed at the same time, the tape will be recorded.
A too high recording
level can
saturate
the tape and cause
distortion.
On the other
hand,
if recording
levels
are
set
too low, soft passages
will
be
marked
by residual
noise.
making
well balanced
recordings.
Guideline
for maximum
recording
level
Normal
tape
O dB levels on peaks
CrOz tape
" 43 dB levels on peaks
Metal tape
"45 'dB levels on peaks
@ Meter reading difference
between
L and R channels
Note:
Proper
recording
level
is the single
most
important
factor
for
Optimum recording levels can differ depending
'On program
sources
or 'the type of tape used.
The
left
and
right
channels
readings
of
the
PEAK
METER
can
differ due to variations:in
input signal
levels.
In such
cases, adjust the individual channels of the BALANCE control! until identical meter readings are obtained
for both channels.
RECORDING
BIAS ADJUSTMENT
For best recording results, monitoring during the recording
process
and comparing various recordings using your own
judgement
are essential.
The
DRM-400
is
equipped
with
a
bias
adjustment
control!
to assist you in setting the proper bias for different
types
and
brands
of
recording
tape.
At
the
center-stop
position,
the
deck
is set.
for
a reference
bias
level
for
NORMAL
and CrO, tapes.
If the resulting recording
in this
position
has too much
or too
little high frequency content,
-
+
BIAS FINE
varying the bias adjustment control can be useful to achieve
better
results.
If the high frequencies (treble sounds)
are to be boosted,
turn the
bias
control
counterclockwise
to decreases
bias
current.
If distortion is of more concern than high frequency
response, turn the control clockwise to increase bias current,
By the use
of this control,
you can record
tapes with res-
ponse
that
matches
your
personnal
listening
tastes.
Counterclockwise
Clockwise
OUTPUT
LEVEL
(dB)
FREQUENCY (Hz)
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