FRONT PANEL CONTROLSNOTE: The OFM Mute/Mode� status can be stored for individual
presets. Refer to the separate chapter OStoring, Recalling and
1. POWER ON/OFFLabelling Presets� for more information.
POWER switches the tuner on or off. Pressing the Power switch
turns the Tuner on, the Display Panel and Power Status Indicator6. AM/FM
(No. 2) will light up. Pressing the Power button again will switchThe AM/FM button switches the tuner from the AM band to the FM
the unit off.band and vice-versa. The Display Panel shows the frequency of the
tuned station and which band is selected. The FM tuning is in 0.05
NOTES: The C420 has a receiver for remote control commandsMHz increments, AM tuning is in 9 kHz or 10 kHz increments,
built-in. Most NAD system remote control handsets with an On/Offdepending on the version.
toggle button or separate On and Off button will be able to switch
the tuner from On to Stand-by and vice-versa.7. DISPLAY
With stations carrying RDS information, The Display button scrolls
The C420 uses a memory back-up system to store Presetbetween three different display modes, each successive push of
information. This information is retained for several weeks, eventhe button engages the next one of the three modes:
if the unit is switched off completely or unplugged. Whena) In the default mode, the stationOs RDS name is displayed,
switching power On, the C420 will go back to the station last tunedProgram Service (PS; normally the stationOs calling letters, BBC
to before the unit was turned off. This will allow you to make timerR3, for instance).
recordings using an external timer and recorder.b) From the default mode, press the button once to view Radio
Text (RT). This can be additional information such as the
2. POWER STATUS INDICATORpresenterOs or programOs name; what song is playing, etc. This
The Power Status Indicator will light up green when Power is on.text scrolls continuously over the 8 alphanumeric display
When the tuner is switched to Stand-by mode (through either asegments.
remote control or the 12V trigger input) the indicator will light upc) Press the button from the display RT mode to display the station
amber. When the unit is switched off completely, it is off.frequency. Press again to return to the default mode (a).
3. BLENDWhen tuned to a non-RDS station
Weak or remote stereo radio stations are sometimes received withThe Display button toggles the display to show either the station
noise and hiss as the antenna signal is too weak. By switching thefrequency or user entered station name. If no user name was
tuner to mono will reduce the amount of noise and hiss but at theentered the display will indicate ONO RDS�. The Display button is
expense of any stereo information. The NAD Blend feature willalso used to label non-RDS stations with a name. Refer to the
allow you to reduce the amount noise and hiss but still retainseparate chapter OStoring, Recalling and Labelling Presets� for
some level of stereo separation, instead of mono. The Blendmore information.
button toggles between engaging or disengaging the Blend feature;
when engaged, OBLEND� lights up in the display.8. PRESET/TUNE
The Search/Preset button toggles between two different modes:
NOTE: The OBlend� status can be stored for individual presets.a) Preset mode: In this mode you can use the Tune/Preset button
Refer to the separate chapter OStoring, Recalling and Labelling(No. 10) to select a Preset. When Preset Mode is selected
Presets� for more information.OPRESET� will scroll once through the display and the PRESET
indicator lights up in the display.
4. MEMORYb) Tune mode: By pressing the Tune/Preset button (10) or
The Memory is used to store stations into the Preset Memory bankyou can engage automatic or manual tuning respectivelyGB
and to store user defined names for non-RDS Preset stations.down or up the frequency band. When Tune mode is selected,
When Memory is pressed during normal operation, the PresetOTUNE� will scroll through the display once.
number and the red OMEMORY� indicator will flash in the Display
Panel. If no other buttons are pressed within 12 seconds, the9. DISPLAY AREA
tuner will revert to its previous state. Refer to the separate chapterThe display area gives all vital information on the status of the
OStoring, Recalling and Labelling Presets� for more information.tuner. Displayed are:
Y Band and frequency of current station, RDS PS (station name),
5. FM MUTE/MODEor RDS Radio Text. The latter two only if RDS is available; select
This button combines two functions; it switches the tuner fromusing the Display button (No. 7).
Stereo to Mono and disengages the muting circuitry at the sameY If an FM Stereo broadcast is received.
time. The muting circuit will mute the tuner in between radioY If the FM station also broadcasts RDS.
stations when searching or tuning. This way the tuning noise isY If OMemory� has been engaged
avoided. The muting circuit however may suppress very weakY Preset number if the current station is stored in the tunerOs
radio station signals. If a weak station is in stereo it will have amemory bank.
high level of background hiss. Switching to Mono Mode andY If Blend and FM Mute/Mode are switched On.
disengaging the muting circuit by depressing the FM MUTE/MODEY Radio Signal Strength. The bars just below OANTENNA� indicate
button will allow the station to be heard and will cancel most orthe radio stationOs signal strength. The more bars are lit, the
all of this background noise. stronger the station.
In normal operation the mute circuit is engaged, the displayNOTE: The infrared sensor, which receives commands from a
indicates OFM MUTE�. Press the FM Mute/Mode button toremote control (not supplied), is located on the left side of the
disengage the muting circuit and switch from stereo to monodisplay window. There must be a clear line-of-sight path from the
reception. OFM MUTE� in the display will extinguish. Press the FMremote control to this window; if that path is obstructed, the
Mute/Mode switch again to return to Auto Stereo FM operation.remote control may not work.
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