Naim-audio NAC-N 172 XS User Manual Page 31

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E29
Preamplifier and Integrated Amplifier Operation
28.3 Handset Volume and Balance Control
The remote handset volume and balance keys provide
some alternative control characteristics. A quick press and
release of a key will adjust by a preset “nudge”. A quick
press and release of a key followed by press and hold will
cause continual slow adjustment. Simple press and hold will
cause continual fast adjustment.
Note: The NAC 152 XS, Nait XS and Nait 5i do not
incorporate any facility for channel balance control.
28.4 Mute, Mono and Mon
Mute silences the output signal and can be selected by
pressing the front panel mute button. On preamplifiers
equipped with separate source and record sections Mute
can be selected independently for source and record. Mute
can also be selected from the handset.
Note: The Nait 5i does not incorporate any front panel mute
facility.
Some preamplifiers include a mon (mono) function that
sums the left and right channels. Mono can be selected by
pressing the front panel mon (NAC 552 mono) button. On
preamplifiers equipped with separate source and record
sections mono can be selected independently for source
and record. Mono can also be selected from the handset.
Note: The NAC 202, NAC 152 XS, Supernait, Nait XS and Nait
5i do not incorporate any mono facility.
The NAC 202 incorporates a mon (“tape monitor”) function.
Pressing the mon button routes the tape, av or aux 1 input
signals to the preamplifier output while leaving the input
selection routed to the tape, av and aux 1 outputs. The mon
function can also be selected from the handset.
Note: Only the tape, av and aux 1 inputs (those that
incorporate outputs) can be selected when mon is
engaged. However, if one of these inputs carries the source
signal, that input will be unavailable for monitoring.
Note: As delivered the NAC 202 record mute function is
engaged. It can be disengaged by pressing the mute
button while mon is engaged. See Section 13.2
Note: The NAC 152 XS, Nait XS and Nait 5i do not
incorporate any front panel tape monitor facility.
28.5 Display
The preamplifier front panel button illumination can be
switched off by pressing the remote handset (in preamplifier
mode) disp function. Any subsequent handset or front panel
operation will temporarily restore the display. A second
operation of the disp function will restore the display.
28.6 Switch-on
After switch-on, via the power amplifier or power supply
power button, the preamplifier will remain muted for 30
seconds while control systems and circuits stabilise. On
preamplifiers equipped with separate source and record
sections, only the source side will un-mute automatically
leaving the record side muted.
28.7 Remote Control
The remote handset supplied with the preamplifier
duplicates all configuration and control functions. See
Sections 29 and 30 for more information.
28.8 Defaults
To restore all programmable settings to the factory defaults
press and hold the remote handset disp key while the
preamplifier is in program mode. The preamplifier will exit
from program mode following this operation.
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