Operation
8
Module Battery Installation
The battery module requires one (1) 9-volt battery. Alkaline batteries are
recommended for best performance. Do not use nickel-cadmium rechargeable
batteries or lithium batteries.
1.
To remove the battery door press down on the detente while sliding the bat-
tery door over in the direction of the arrow, then lift up.
2.
Install the battery, as shown.
The unit will not operate properly if the battery is installed incorrectly.
3.
Replace the battery door.
NOTE:
•
Avoid unplugging the headset while noise reduction is turned
on, as this could cause a loud popping sound in the ears.
•
If the batteries are low, the red LED lights on the battery
module. Replace batteries as soon as possible to ensure
continued ANR™ 500 operation.
•
If the ANR operation shuts down due to low batteries, the
Airman ANR™ 500 functions as a conventional headset.
FIGURE 4.
Battery Installation
