wiJAC2-002
Wireless Intercom System - Wireless Dropcord - N America
Operating Manual
Rev A
Page 12
3.1
wiJAC™ Set-up and Connection
3.1.1
Insert Batteries
Ensure the batteries for both units are either
new
or
fully charged,
and installed in the battery compartment with the
correct polarity, and that the battery lid is secured (section 6).
3.1.2
Attach Connectors to Aircraft and Headset
Connect the JB69-002 Intercom Adapter jack (10-pin HR10A) to the audio panel jack connector (
TJ-120
or
equivalent) via adapter cable CAB-WJ2-000
4
- 10 Pin Hirose Plug to
U174
Plug).
The JB60-002 Headset Adapter jack is a 6-pin female Lemo connector. A headset can be inserted directly into the
JA68 (ANR direct), or via a headset adapter (CAB-HSET-0001 helicopter headset to 6pin adapter
)
.
3.1.3
Turn On Adapters and Verify Connection
On the JB60-002 Headset Adapter, turn the VOL knob fully counterclockwise to minimum. Turn on the JB60-002
Headset Adapter and the JB69-002 Intercom Adapter. On both units the PWR ON and LOW BATT annunciators will
illuminate for two seconds.
•
When a unit is turned on, the PWR ON annunciator will illuminate for 2 seconds, and the unit will start to search
for its paired unit.
•
While the unit is searching for its paired unit the PWR ON annunciators will triple-flash every 1.5 seconds.
•
When the unit is connecting to its paired unit, the PWR ON annunciators will double-flash every 1.5 s until
connection is established.
•
After connection, the PWR ON annunciator will illuminate steady green until the unit is turned off.
3.1.4
Verify Audio Operation
Set the aircraft audio system's VOX mode to live or key the aircraft audio system's ICS PTT for the headset
connection used by the JB69-002 Intercom Adapter.
Adjust the JB60-002 Headset Adapter's VOX control to fully counterclockwise and the VOL control to achieve a
comfortable listening level. Confirm that the microphone audio is live - all microphone audio is heard in the phones.
Confirm that the audio level increases as the VOL control is rotated clockwise and decreases as the VOL control is
rotated counterclockwise.
Adjust the Headset Adapter's VOX control to fully clockwise and confirm that the microphone audio is off.
Press the Headset Adapter's ICS PTT button and confirm that microphone audio is heard in the phones.
Adjust the Headset Adapter's VOX control for a comfortable speaking level and return the aircraft audio system's
controls to its previous settings.
