NAD 911 Manuel D'installation page 10

GB
NO SOUND.
AC cord unplugged or power not switched on.
Output lead not properly connected or damaged.
Amplifier not switched on, level controls too low or
amplifier faulty.
Speakers not properly connected or damaged
Internal fuse blown
NO SOUND ONE CHANNEL.
Level controls set too low.
Wrong channel being adjusted.
NO LINE LEVEL INSERT SIGNAL.
Microphone connected.
Input leads not properly connected or damaged
Source system not producing signal.
NO MICROPHONE SIGNAL OR FEEDBACK.
Microphone leads not properly connected or damaged
Microphone not switched on.
Microphone battery flat.
Microphone requires 'phantom' powering.
Loud High Pitch sound when the Microphone is switched on.
NAD
10
TROUBLESHOOTING.
Check AC socket, lead and fuse if fitted.
Check the connections at both ends (NAD-911
and power amplifier).
Check amplifier, connections and settings
Check connections and speakers.
Consult dealer
Adjust level control.
Check all channel level controls
Disconnect microphone
Check connections.
Check output of source system.
Check connections.
Switch microphone on or to 'Talk'
Check or replace microphone battery if used.
Consult your microphone supplier for a suitable
adapter.
Feedback caused by the microphone being too
close to a speaker. Move the speaker or micro
phone position or use the configuration jumpers
to disable the Insert
Feed to that particular speaker.