15
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Modulometer
A highly precise, Nagra–made
modulometer identical to the
legendary NAGRA IV, provides a
multitude of indications through 2
coaxial, internal pointers representing
the left and right channels. The black
indicator pointer represents the left
channel and red is for the right
channel.
Suggested uses of this instrument are
covered in the Advanced Operations
portion (page 17) of this manual,
under “Using the
Modulometer”
section.
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Modulometer lamp/Power Check
switch
This is a 3–position switch. The
functions are as follows:
In the upper position, it turns on the
modulometer lamp.
In the middle position, it turns off the
modulometer lamp.
In the momentary lower position, the
needle indicates the correct DC input
voltage (green area). Factory adjusted
for 12V green area center position.
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Line/Mute switch
This is a 3–position switch. The
functions are as follows:
In the upper position, output is
directed to the “Line output 1” RCA
connectors on the right side panel
In the middle position, output is
muted.
In the lower position, output is
directed to the “Line output 2” XLR
connectors on the right side panel.
Right Panel/Output Layout
The right panel consists of two sets of
RCA stereo output connectors and
one set of XLR connectors as well as
the external DC power input
connector:
Two sets of RCA output connectors
are available to feed power amplifiers
for bi–amping applications.
One set of XLR output connectors is
provided for symmetrical and floating
(option with very high quality
transformers) or asymmetrical
connection to an amplifier.