Bedienungsanleitung Naim NAP 250 DR (Seite 13 von 44) (Englisch)

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NAC 202 Preamplifier

13 NAC 202 Introduction and Installation

The NAC 202 preamplifier does not incorporate an internal power supply but must be

used in conjunction with either a Naim power amplifier incorporating a preamplifier

power output, or with an appropriate Naim power supply. A separate NAPSC supply that

provides power to the display and control circuits is also available. Diagram 14.3 illustrates

the NAC 202 connected to a Hi-Cap power supply.

The preamplifier and any power supply should be installed on a dedicated equipment

stand intended for the purpose. Do not stand either directly on top of another item of

equipment. Care should be taken to ensure that the preamplifier is level.

The preamplifier and any power supply should be installed in their final locations before

connecting cables or switching on. Ensure that the preamplifier volume is turned down

before switching on.

The following Section 13 paragraphs describe installation features and functions specific

to the NAC 202. Operational features common to all preamplifiers and integrated

amplifiers are described in Section 28.

13.1 Input Sockets and Assignment

The input selection buttons select the source input signal to

be routed to the power amplifier and the loudspeakers.

The NAC 202 has six DIN input sockets and two alternative

pairs of RCA Phono sockets. The RCA Phono sockets can

be assigned individually to the CD and AUX 2 input buttons

in place of the DIN sockets.

Input assignment setup is accessed through the NAC

202 program mode. To switch into (or exit from) program

mode press and hold the prog key on the remote handset

(in preamplifier mode). Program mode is indicated by a

flashing indicator on the front panel volume control.

Note: If no function is operated within five minutes of

entering program mode the NAC 202 will return to normal

mode automatically.

Once in program mode press and hold the remote

handset 1 button to select or de-select the RCA Phono

socket input for CD, and the remote handset 6 button to

select or de-select the RCA Phono socket input for AUX 2.

The corresponding front panel input buttons can similarly

be used to select or de-select the RCA Phono socket

inputs. The appropriate input button indicator will flash

three times on selection of the RCA Phono option and

once on selection of the DIN option.

To exit from program mode press and hold the prog key on

the remote until the volume indicator stops flashing.

13.2 Record Mute

In order to minimise power consumption and improve

sound quality the NAC 202 record output circuit can

be muted. To engage or disengage record mute press

the front panel mon button followed by the front panel

mute button. The mute button indicator will illuminate

when record mute is engaged and extinguish when it is

disengaged. Record mute can also be engaged and

disengaged from the remote handset using the mon and

mute keys.

volume

mute

mon

source selection

14 NAC 202 Controls and Connections

14.1 NAC 202 Front

Operational features

common to all

preamplifiers and

integrated amplifiers

are described in

Section 28

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