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DANR THP
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DANR THPC
The muzzle and boom communications modules provide two-way communication capability to
the DANR THPC. The muzzle contains a digital noise canceling microphone surrounded by a
plastic housing lined with a compliant seal, called the “muzzle”. The boom contains a similar
microphone without the housing and seal. There is a replaceable wind guard over the microphone
that is held in place with a small o-ring.
Muzzle and Boom Communications Modules
After connecting the DANR THPC headset to the radio, use the oval shaped button on the back
of the muzzle or boom (shown above) to transmit the voice. In most cases, the radio PTT button
can also be used. When talking in high noise environments, the muzzle should be centered and
tightly sealed around the mouth to transmit the best speech quality.
It is advisable to first connect the DANR THPC to the radio or phone and turn the headset on
before turning on the radio or phone.
Battery Charging and Maintenance
The battery is supplied with a minimal charge. Charge the battery to a full charge level prior to its
first use per the battery charger instructions. When the user has the earplugs installed, a vocal
audio warning from the headset will alert the user when the battery charge is low.
See instructions for the particular battery charger used.
Wind Guard
Push-to-talk Button
Push-to-talk Button
Wind Guard