JA44-001 High Impedance Headset to Low Impedance Intercom Adapter
Quick Start Guide
The JA44-001 High Impedance Headset
to Low Impedance Intercom Adapter
provides a battery driven microphone bias
voltage and phone transformers to allow a
high impedance headset to interface with
a low impedance intercom system.
The JA44-001 unit features:
• An industry standard headset pin-out to allow plug and play operation.
• It plugs in-line between the User's headset cord and the aircraft intercom
system headset connector.
• It supports a single control to adjust microphone level to intercom system.
• It supports automatic on / off power function when user plugs / unplugs the
headset from the unit.
Installation Diagram
The diagram shows the installation for the
JA44-001.
For full information, refer to the JA44-001
manual on the Jupiter Avionics Website at
www.jupiteravionics.com
DOC-GUID-JA44001 Rev A 1959 Kirschner Road, Kelowna, BC V1Y 4N7 Page 1 of 2
Tel: +1 778 478 2232 Toll Free: 1 855 478 2232
Battery Lid Release
Battery
Mic Level Control (MIC)
Retaining tabs
Batteries
The JA44-001 uses one nine volt alkaline battery.
Inserting or Replacing the Battery
To replace the battery, remove the battery
cover by pressing the battery lid release
towards the JAC logo, lifting the lower end
of the cover, and then gently prying the lid
up and away from the body to release the
two tabs from the retaining slots.
Remove the battery and insert a new
battery, matching the polarity marked on
the battery holder.
Specifications
DOC-GUID-JA44001 Rev A 1959 Kirschner Road, Kelowna, BC V1Y 4N7 Page 2 of 2
Tel: +1 778 478 2232 Toll Free: 1 855 478 2232
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