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Restore to factory defaults
To restore the headset to factory default settings, press and hold the PTT auxiliary button (A:16) for 2 seconds. This is
confirmed by the voice message "restored factory defaults".
CLEANING AND MAINTENANCE
Wet a cloth with soap and warm water to clean the outer shells, headband and ear cushions.
NOTE: Do NOT immerse the hearing protector in water.
If the hearing protector gets wet from rain or sweat, turn the earmuffs outwards, remove the ear cushions and foam liners,
and allow to dry before reassembly. The ear cushions and foam liners may deteriorate with use and should be examined
at regular intervals for cracking or other damage. When used regularly, 3M recommends replacing the foam liners and ear
cushions at least twice a year to maintain consistent attenuation, hygiene, and comfort. If an ear cushion is damaged, it
should be replaced. See Spare Parts Section below.
REMOVING AND REPLACING THE EAR CUSHIONS
E:1 To remove the ear cushion, slide
your fingers under the edge of the ear cushion and firmly pull straight out.
E:2 Replace the foam liners.
E:3 Fit one side of the ear cushion into the groove of the earcup and then press on the opposite side until ear cushion
snaps in place.
E:1
E:2
E:3
CHARGING THE BATTERY
The LiteCom Plus headset uses the ACK081 rechargeable battery, which can be charged using the included AL2AI charging
cable and the FR08 Power Supply. The ACK081 battery can be recharged either when connected or disconnected from
the headset. To remove the ACK081 battery, first ensure the headset is powered off, then insert your finger under the edge
of the battery clamp and pull up and outwards.
A low battery level is indicated by a voice message of "low battery", repeated every 5 minutes. If the batteries are not
recharged, a "battery empty" message will sound and the unit will automatically switch off. If interference increases or the
sound level becomes weak, try recharging the batteries.
NOTE: Remove the batteries when storing the headset for extended periods of time.
REPLACING THE HARD HAT ATTACHMENT PLATE
For proper fitting on different industrial safety hard hats, the
hard hat attachment plate may need to be replaced. The headset comes assembled with P3E hard hat attachment. Plates
for P3K hard hat attachment assembly are also included in the box. A screwdriver is needed to replace the hard hat attach-
ment plate.
F:1 Loosen the screw holding the plate and remove the plate.
F:2 Attach the appropriate plate while ensuring the left (L) and right (R) designated plates are on the appropriate earmuff, if
applicable, and then tighten the screw.
F:1
F:2
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