2.
Pre
aration
for
Use
and
Operati
Instructions
2.1
Legend
for
Fig.
1
IW
L:
Kn
®L,R
O
R
6
dBn
L
f
=
500
Hz
L
=
—R
L
=
R
+6
+3
0
-5
L/R
INP.
”1
‘0‘
‘1
LEVEL
(dEm)
A+O,4A
+O,2A
O
PRE—EMPH.
Input
selector
with
the
following
positions:
inputs
L
and
R
switched
through
inputs
switched
off
the
built—in
generator
feeds
the
two
inputs
in
the
selected
mode;
the
frequency
can
be
adjusted
internally.
LED
;_2_
is
on
for
Q-(off)
and
R,
L,
L=-Ra_ndL=R.
Attenuator
switches
for
common
level
adjustment
of
the
L
and
R
channels
in
steps
of
3
dB
(2),
0.5
dB
(2)
and
0.1
dB
(5)
Pushbutton
for
switching
on
and
off
the
preemphasis
(change
soldered
links
for
50
or
75
us).
LED
1g
signals
when
preemphasis
is
switched
off.
Panel
meter
with
the
following
two
scales
(0
dEm
=
0.775
Vrms):
—15
to
+8
dEm
(for
L,
R
and
MPX
signals)
(nominal
level
marked
at
+6
dEm)
—17
to
—8
dEm
PILOT
(nominal
levels
marked
at
-9.5
dEm
and
—15
dEm)
sensitivity
(+10 dB)
can
be
changed
with
switch
E
R
38122
—5
