10
TROUBLESHOOTING
Problem
Possible Causes
Suggestion
Headset will not
power on
Drained batteries
Replace batteries
Battery improperly installed
Check polarity
I can hear radio
communications
but cannot
transmit
Poor headset and PTT
connection
Ensure the headset plug is fully seated by firmly
inserting it into the PTT housing and rotating 180°
Non-functioning PTT
If a "known good" PTT is available, swap with
the problem PTT. If problem is solved, replace
the problem PTT.
Non-functioning
communications (comms)
microphone (A:6)
Check the comms microphone connection on
the backside of the earcup. If problem persists,
replace comms microphone with a "known good"
microphone. If problem is solved, replace comms
microphone.
Non-NATO wired PTT
Call 3M Technical Service at 1-800-665-2942.
Have headset model, PTT model and radio model
available.
REPLACING THE BATTERIES
Turn the headset off before replacing the AAA batteries. Lift the battery compartment cover
(A:4) with your fingers. Position the +/- minus poles of the batteries as indicated within the
battery compartment. Replace the battery cover by pressing down firmly.
NOTE:
Remove the batteries when storing the headset for extended periods of time.
• Do not mix old and new batteries.
• Do not mix alkaline, standard, or rechargeable batteries.
• To properly dispose of the battery, follow local solid waste
disposal regulations.