J301A-001 Audio Controller
Installation and Operating Manual
Rev A
Page 16
(1)
Transceiver Switches Annunciators and Legends
These are eight white two-position toggle
switches grouped around the TX selector
control. When a switch is set to the ‘up’
position (towards the legend), audio from
the associated transceiver is routed to the
phones.
Legend
Switch
Annunciator
The legends (above the switches) are
interchangeable to allow customization.
(
Default
–
COM1
to
COM8
)
Note
: For information on the ICS and EMER switches, refer to
(5)
and
(7)
below.
(2)
Receiver Switches and Legends
These are six blue two-position toggle switches. When a
switch is set to the ‘up’ position (towards the legend)
audio from the selected receiver is routed to the phones.
The legends are interchangeable to allow customization.
(
Default
–
NAV1
,
NAV2
,
ADF1
,
ADF2
,
DME
and
MKR
.)
(3)
Music/Configuration Connector (
♫
/io)
(This connector is also used during installation to change configuration settings.)
CAUTION
:
If an unapproved connector or cable is used, damage to the unit or to any attached device may
occur. If in doubt, contact your installing agency.
This is a music input that is compatible with
most music players. It accepts a 3 pole 3.5mm
stereo plug with a slim diameter connector
housing.
The port (
♫
/io) is protected by a urethane rubber cover,
which can be lifted upwards or rotated round (as shown)
to provide access to the port.
Legend
♫
/io Port
Port Cover