J301A-001 Audio Controller
Installation and Operating Manual
Rev A
Page 13
2.5.3.9
Music Levels
2.5.3.10
ICS Tie Line
The rated input and output levels of the intercom tie line can be selected as Type 1, Type 2 or Andrea
(
Default Type 2
).
The quantity of external loads for a type1 intercom tie line can be selected from 0 to 3 (
Default 0
).
The quantity of external loads for a type 2 intercom tie line can be selected from 0 to 7 (
Default 0
).
2.5.2.11
Lighting Voltage Selection
The rated input level for the lighting voltage may
be selected from
+5 Vdc, +14 Vdc or +28Vdc
(
D28 Vdc
).
The music output level of the four Music input signals to the Phones audio
can be adjusted from -40 to 0 dB of rated phone level (
Default 0 dB
).
The attenuation level during muting of the music signal can be
adjusted from 0 to -40 dB (
Default -40 dB)
.
