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MPANEL
DESCRIPTION
< Front
Panel >
® Bypass Indicator
@ Bypass Switch
BYPASS
@® Bypass Indicator
This is lit when the Bypass Switch is turned on.
@ Bypass Switch
When this switch is tumed on, the input signal will be output
without passing through the internal circuits. The Bypass Switch
can be switched on or off even while the unit is tumed off. ( In
this case, the Bypass Indicator will not light. )
*When
the Bypass Switch is switched on, the noise and
hum canceling functions will be turned on, but this will not
affect the output signal.
* When the input and output signal is unbalanced, the output
level will depend on whether the Bypass Switch is on or
off. This, however, is normal on this unit.
@ Internal Level Control Knobs ( A, B )
Use this knob to change the signal level of the internal circuits
depending on the output level of the connected unit. ( This knob
covers the output level of the connected unit from
— 20 to +4
dBm.)
INTERNAL
LEVEL
p
+ 4dBm
~ 20dBm
MIN
MAX
* Changing the Internal Level Control Knobs does not affect
the output level of the SN-550.
@ Internal Level
Control Knobs (A, B )
@ Internal Level Meters ( A, B )
© Noise Canceling Monitors ( A, B
Monitors ( A,
i
INTERNAL
LEVEL
METER
Jj CANCEL Mond
1
I
NOISE
a
—H
i
PROPEL
cont im eee
ot
1
CH al
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@ Internal Level Meters ( A, B )
These meters indicates the signal level of the intemal circuits.
Since
these
are
peak reading
meters,
you
can
determine
the
maximum level. An appropriate signal level is between ~ 18 and
OdB.
*When
the CLIP
indicator
is lit, the signal will not be
properly processed.
© Noise Canceling Monitors ( A, B )
These displays indicate when the noise canceling function is
working in each frequency band.
When the indicator is lit, the
noise canceling circuitry is working in that frequency band.
© Hum Canceling Monitors ( A, B )
These displays indicate the basic frequency
where
the hum
canceler works and whether the hum canceler is working or not.
When the hum canceler is working, the indicator above (channel
A) and/or below (channel B) the basic frequency display will light.
)
© Hum Canceling
B)
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