Naim Audio NAC-N 172 XS - Manual (Page 21)

E19
Preamplifier Operation
14.9 Interface Function Buttons and Keys
Preamplifier Program Auto Input AV Bypass Restore
Mode Switching Defaults
NAC 552 hold pre N/A N/A N/A handset key (R-com)
hold prog pre 4 mon pre 4 mute hold disp handset key(s) (NARCOM 4)
source mono source mute front panel button
NAC 252 hold prog pre 4 mon pre 4 mute hold disp handset key(s) (NARCOM 4)
source mon source mute front panel button
NAC 282 hold prog pre 4 mon pre 4 mute hold disp handset key(s) (NARCOM 4)
source mon source mute front panel button
NAC 202 hold prog pre 4 mon pre 4 mute hold disp handset key(s) (NARCOM 4)
mon mute front panel button
NAC 152 XS hold prog pre 4 mute pre 4 av hold disp handset key(s) (NARCOM 4)
mute av front panel button
Note: The handset must be in preamplifier mode to select
program mode or to restore defaults.
Note: The 4 symbol indicates sequential key operations.
14.8 Fault Conditions
Some preamplifier models will indicate power supply or link
plug faults by flashing a specific front panel button indicator.
These fault indications are listed below:
Preamplifier Power Supply or Link Plug Fault Indication
NAC 252 source mute flashing
NAC 282 source mute flashing
NAC 202 mute flashing
NAC 152 XS mute flashing