JAC wiJAC-P Series Operating Manual - page 13
wiJAC-Pxx Wireless Stand Alone Intercom System
Operating Manual
Page 9
5.2.7
Loss of Audio
If there is no audio heard in the headset, check the PWR ON annunciator on the
JA64 and the JA65 Headset Adapters. If a unit is off, turn it on and verify
connection and operation.
If the battery charge is low, replace or recharge the batteries or remove the
wiJAC system.
If audio is unintelligible, discontinue use of the wiJAC system until
troubleshooting can be carried out.
5.2.8
Battery Life
The operating duration of the
wiJAC
-Pxx system with fully charged batteries
before battery replacement is required depends on the following factors:
•
Distance between Headset Adapter Master and Headset Adapter Slaves:
The closer together the units are the lower the radio frequency (RF) power
required for connection. This will increase the battery life.
•
Obstacles between the Headset Adapter Master and Headset Adapter
Slaves:
Minimising the aircraft metal structures, human bodies, cargo and other
obstacles between the units will reduce the RF power needed for connection
and increase the battery life.
•
Charge capacity of the batteries installed:
The higher the capacity of the batteries, typically specified as 500 to 1000
mAh (milliamp-hours), the longer the battery life.
•
The type of batteries installed and the operating temperature:
During low temperature operation, rechargeable batteries will lose capacity.
When operating in low temperatures use alkaline batteries for a longer
battery life.
•
The phones volume level and usage rate:
The lower the volume level and the less often audio is output to the phones,
the longer the battery life.