Abbingdon Music Research AM-77 Reference Class User Manual
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4.4 Setting Fixed Input Level
When using the AM-77 as part of a home theatre system with an external processor controlling the overall system
volume, it is possible to program one of the five input sources to have a fixed level of input such as for a home
theatre system of either 0.775V (0dbu) or 1.55V (+6dBu). This allows the 2-Channel music system to be seamless-
ly integrated into a high performance multi-channel home cinema system.
- Go to Section 4.1 and follow the instructions to select the last label:
H
o
m
e
T
h
e
a
t
r
e
D
i
r
e
c
t
- Simultaneously press ‘+’ volume (F3) on the front panel of the AM-77 and ‘OK’ (RC7) on the RC-77.
- Having entered the ‘Fixed Input’ menu, now select:
Fixed Input 1.55V = +6dBu
or
Fixed Input 0.775V = 0dBu
Warning! By selecting Home Theater Direct mode, the volume of the amplifier will be switched to full.
Hence if it is used incorrectly, it will damage the connecting speakers. AMR assumes no responsibility
for any speaker damage arising from use of the AM-77.
HTD mode: always
use an external pre-
amp as this mode will
switch the AM-77 to
full volume!