4
b. Battery Replacement
••
Place end of battery into battery com-
partment, with metal contacts downward
••
Press top of battery into battery compart-
ment until it snaps in place under battery-
release button
D. Talk to Other Crew Members
••
Press and hold
B
button to speak to other crew members wearing HS400s
••
Release to listen
E. Change and Charge Batteries
If you hear “
Headset Battery Low
” in your headset, the battery needs to be replaced
and recharged. HS400 batteries need be recharged after 8 to 9 hours of normal use.
1. Change Batteries
a. Battery Removal
••
Press upward on battery-release button
••
Pull battery out from the top
2. Charge Batteries
••
Insert battery in one of four charging ports until it clicks in place
••
Battery charging time is approximately 2 hours
••
Yellow light next to battery port stays on when there is no battery in that port
Yellow light flashing next to battery indicates battery CHARGE PENDING, which
means the battery is out of its operating range (32
o
-104
o
F, 0
o
-40
o
C). Charging
will begin when battery is within its normal operating range.
Yellow light on next to battery in charging port means CHARGE FAILED. Follow
diagnostic instructions on side of battery charger.
••
Red CHARGING light next to battery stays on while battery is charging
••
Green READY light next to battery goes on when battery is fully charged
••
Store fully charged batteries in storage ports
Figure 3.
Battery removal
Battery
release
button
Figure 4.
Battery replacement
Battery in
Charging port
Battery in
storage port
Figure 5.
AC40 Battery Charger
