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JA95-043 Audio Controller - AMS43 Compatible
Installation and Operating Manual
Rev B
Page 18
(6)
Music/Configuration Connector (
♫
/io)
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.
(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 JAC for a list of approved cables, music sources and devices.
(7)
Transmit Annunciator - TX
This is a deadfront annunciator that will illuminate when the JA95-043 is
transmitting.
The default legend is ‘TX’, but it is interchangeable to allow
customization.
(8)
Transmit Selector
This is a rotary six-position control that is used to select
transmission via one of the five transceivers or the public
address system (PA).
Each of the transmit selector positions is linked by a
white line to the corresponding transmit select
annunciator, transceiver switch and legend.
The appropriate annunciator will light green to show
which transceiver is selected for transmit -
‘PA’ in this example.
(9)
PA Legend
This is a customizable legend to mark the PA position for the
transmit selector.
The interchangeability allows an appropriate name for this legend to
be selected.
(10)
VOX Threshold Control
This is a rotary knob that is used to select the VOX threshold of
the unit as described
below.
When rotated fully cw, the threshold will be at maximum, VOX
ICS operation is disabled and ICS PTT input is required for ICS
operation. The fully cw position is marked by the word 'KEY' on
the faceplate.
When rotated fully ccw, the threshold will be at minimum (almost
live).
To adjust the unit for
VOX
(Voice activated) use, the VOX control should be set fully ccw and then slowly rotated cw to the
point where no intercom audio can be heard. The VOX control should be adjusted for proper operation according to the
ambient noise.