Rear Panel Operation - AMC MPA 60 User Manual

Operation
Front panel operation
MAIN POWER CONNECTOR AND FUSE
Power connector is designed for main powers connecting to amplifier. This
connector is combined with fuse holder and 1.6 A 250V fuse.
ANTENNA CONNECTORS
MPA 60 amplifier is supplied with the music source module and FM tuner. We
are highly recommended to use outdoor FM antenna in order to ensure reliable
FM radio receiving.
OUTPUTS
LOW IMPEDANCE OUTPUT. Output design for 4 and 8 Ω loudspeakers. Operat-
ing amplifier with 8 Ω and 100V at the same time is forbidden. It may damage
the amplifier or connected speakers.
HIGH IMPEDANCE OUTPUT. Output terminal is designed to connect speaker line
to amplifier. There are available two types, 70V and 100 V outputs for constant
voltage audio lines. Amplifier can run only one output configuration at the
same time. Operating amplifier using 8/4 Ω and 100/70 volt concurrently may
cause damage the amplifier or connected speakers.
07 USER MANUAL MPA 60 Media player amplifier
TELEPHONE-PAGING INPUT
This is balanced input for line level audio source, PBX station or messages player.
TELE PAGING LEVEL. Volume control for tele paging input.
TELE PAGING PRIORITY CONTROL. Designed to adjust tele paging input priority.
The MIN position disables priority function meanwhile MAX totally mute audio
from music player and all other inputs when audio signal is detected in tele
paging input.
MUSIC ON HOLD OUTPUT
Music on hold audio output supply balanced line level signal from Input 2,
Input 3 and music player. Signal level can by adjusted by using potentiometer
located on rear panel near the phoenix connector. Music on hold signal is
irrespective from tone control and master volume.