Installation manual

AMX240 Audio Panel Installation Manual
200-890-0240 Rev. 02
Figure 2-3 Jumper Location
4. Place the lid back on the unit, aligning holes.
5. Install and tighten qty. 4 long thread screws into the lid, and one short screw on the rear.
2.4.10 PA Mute (J2, Pin 12)
Pin 12 of J2 is a TTL logic output that is pulled low during PTT operation.
2.4.11 Split/COM 2 select
Pin 24 and Pin 25 on the J1 connector are used by the Avidyne R9 Integrated Flight Display System and should be
connected per the R9 installation manual.
2.5 Intercom wiring
See Appendix C and D for intercom connection configurations. It is critical to the proper operation of this system to
have this connector wiring made in accordance with these diagrams. Use 2- and 3-conductor, MIL-spec cable as
shown. Connect the shields at the audio panel end only, and tie to the audio low inputs as shown.
2.5.1 Entertainment Inputs
The AMX240 has two INDEPENDENT music inputs, PLUS a front mounted jack that is connected to Entertain-
ment 1. Entertainment input number 1 is J2 pins 23 (left channel) and 24 (right channel), with respect to pin 25, and
Entertainment number 2 is connected to 26 (left channel), 27 (right channel), with respect to 28.
AMX240 (050-890-0240) has wireless connectivity to stream music from a paired Bluetooth device. This stream is
distributed as Music 1. Refer to ยง3.11 for more information.
NOTE
Jumper Off (no
PA mode)
Jumper On
(PA mode
enabled)