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1.
HEADSET FEATURES
The Bose
reduction (ANR) communication headsets intended to be used by military
passengers of wheeled combat vehicles. The TTH headsets include an earcup
assembly (earcups and napeband) and a cable/microphone assembly.
headsets adjust to fit various heads using adjustment overhead hook and loop straps
to ensure proper fit for noise attenuation. The cable/microphone can be installed on
either the left or right earcup.
In addition to passive attenuation each earcup contains an independent ANR
system. The ANR system reduces background noise within each earcup. The talk-
thru circuit (TTC) allows for local communication when the headset is either
connected or disconnected from the vehicle. The TTC is a user-selectable feature
and is powered via a single AA size battery in the control module and utilizes the
microphones on the front of each earcup. Each earcup has an independent TTC to
allow left/right localization.
Framingham, MA 01701-9168
®
®
TriPort
Tactical Headsets (TTH & TTH Series 2) are active noise
differentiator between
TTH and TTH Series 2
TTH
SIZE
FSCM
A
32108
NOTE
The control module
design is a key
CLASS
DWG NO.
RF
Earcup Assembly
• Overhead Strap
• Napeband
• Earcups
Cable/Mic Assy
• Noise-cancelling
• Control Module
• Vehicle Interface
TTH Series 2
SHEET
273139
2 of 25
The
microphone
Connector
REV.
01D
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