Abbingdon Music Research AM-777 Premier Class - Manual (Page 13)

13
Beware: prolonged
listening at high
volume levels is
likely to damage your
hearing
Section 3 - Operation
3.1 Power On/Off
Press the ‘POWER’ rocker switch (R4) at the rear of the AM-777 to switch on mains power . To switch the mains
power OFF, press again and release. Always wait at least 30 seconds before switching ON again. This is to
enable the AM-777 circuits to shutdown properly.
3.2 Volume Adjustment
Adjust the volume up or down to attain a comfortable level for listening.
3.3 Rear Inputs
At the rear of the AM-777, there are 4 sets of RCA inputs for the connection of source components such as the
CD-777 compact disk processor or a vinyl source. The XLR input is shared with the RCA Input 1. The fifth input
is USB only and can only be selected if connected to a Computer Audio Source.
If the AM-777 is used in single-channel mode, all other inputs are defeated. Signal input is allowed only through the
LEFT channel (white) of Input 1: via XLR or RCA.
3.4 USB Input
The AM-777 can be connected via a USB connection (R2) directly to a Computer Audio Source for sound play-
back. No software drivers are required under Windows XP SP2 or later and Mac OS X. Make sure the playback
application is set correctly to output sound to the ‘USB Audio Device’.
Once powered OFF:
always wait 30
seconds before
switching on again