Aegisound DANR THP Manuale utente

THE SOUND OF SAFETY

INSIDE:

Overview .............2

Before Usage .........2

Earplug Insertion ......3

Headset Assembly and

Fitting . .. . . .. . . .. . . .. . 4

Operation. . .. . . .. . . .. . 7

Battery Charging and

Maintenance..........8

Earseal Replacement . 10

Warnings . . .. . . .. . . .. 11

Contact ..............12

HEADSET FITTING AND

OPERATIONS MANUAL

DANR THP

DANR THPC

2|DANR THP | DANR THPC

Overview

The Digital Active Noise Reduction (DANR) Triple Hearing Protector (THP) offers

superior performance as a double hearing protector with the addition of digital active

noise reduction, for a third layer of protection. The DANR Triple Hearing Protector

with Communications (THPC) represents Gentex Corporation’s top of the line product

for combined communications and hearing protection for excellent performance in

extreme noise elds.

Before Usage

Always evaluate the adequacy of your protective gear before entering hazardous

environments.

The wearer should ensure that:

•The earmuffs and earplugs are tted, adjusted, and maintained in accordance

with the manufacturer’s instructions. Improper t of this device will reduce its

effectiveness in attenuating noise. Consult the included instructions for proper t.

•The earmuffs and earplugs have been inspected for serviceability.

•The earmuffs and earplugs are worn at all times in noisy surroundings.

The use of any hearing protective device will not guarantee adequate protection

for hearing loss for all persons under all circumstances. Consult your physician or

audiologist frequently when being exposed to high noise levels. If exposure to high

noise levels occurs during employment activities, also consult your employer regularly.

US Federal Law requires the following additional statements:

The level of noise entering a person’s ear, when hearing protector is worn as directed,

is closely approximated by the difference between the A-weighted environmental

noise level and the Noise Reduction Rating (NRR).

Example:

1. The environmental noise level as measured at the ear is 92 dB(A)

2. The NRR is 32 decibels (dB)

3. The level of noise entering the ear is approximately equal to 60 dB(A)

USER MANUAL |3

See DANR Earplug manual for more detailed instructions

Earplug Insertion

•Improper t of this device will reduce its effectiveness in attenuating noise.

Consult the included instructions for proper t.

•Inspect the earplugs before each use. The earplugs should be free of debris,

tears, and other physical damage.

•Inspect the earplug cable and the cable connection to the earplug.

•Lubricate the earplugs with water or Aegisound Ear Gel around the canal tip.

DO NOT ll tip opening with uid.

Custom Earplug Familiarization

Correct Insertion

(Earplug locked

in helix)

Incorrect Insertion

(Earplug not locked

in helix)

•Wearing custom earplugs for long periods of time may require an adjustment

period of a week or more.

•Begin by wearing earplugs for one hour at a time for the rst several days.

•Once acclimated to the earplugs, start wearing them for two or more hours until

they can be worn for an entire shift. Do not risk exposure to noise without wearing

hearing protection.

Caution:

For noise environments dominated by frequencies below 500 Hz, the C-weighted

environmental noise level should be used.

Although hearing protectors can be recommended for protection against the harmful

effects of impulsive noise, the NRR is based on the attenuation of continuous noise

and may not be an accurate indicator of the protection attainable against impulsive

noise such as gunre.

4|DANR THP | DANR THPC

Headset Assembly and Fitting

1. Rotate the earcup to gain access to the inside.

2. Identify the right and left sides of the headset. The right DANR earplug (RED) connects to

the battery module side, and the left DANR earplug (BLUE) connects to the microphone (or

blank) module side. The inside of each earcup is also labeled “R” and “L” corresponding to

Right and Left respectively.

3. Grasp one DANR earplug connector, and insert the connector into the receptacle inside

the appropriate earcup by aligning the red dot on the connector with the red dot on the

receptacle. Gently press the connector until it snaps in place as shown in the right picture

below.

4. Repeat Step 3 for the remaining DANR earplug.

5. To remove the connector, grip the knurled sleeve of the connector body and pull in the

direction indicated in the right picture below. DO NOT pull on the earplug cable.

Connecting DANR Earplugs to Headset

The headband is assembled to

slide for adjustment at the factory.

The friction required to adjust the

headband or to x the headband

in place may be adjusted by

tightening or loosening the lock

nut on each side of the headband

near the headpad with an 11/32

inch or adjustable wrench.

Friction Adjustment Nut

Slides for adjustment Nut

Aegisound’s Argonaut Communication Earplugs (P/N 05-016017) may be used to offer two-way

communications without active noise reduction when DANR earplugs are unavailable. The Communication

Earplugs are compatible with Gentex’s Low Prole Custom Communications Earplugs (LPCCE) and

Aegisound’s Full Concha Custom Communications Earplugs (FCCCE) as well as Comply™foam eartips,

and provide double hearing protection with two-way communications.

Headband Adjustment

USER MANUAL |5

Fitting DANR THP(C) Headset

If the headset is installed in a helmet, the helmet should be placed on the head so that the

earcups can be rotated away from the ears, allowing earplug insertion before donning

the headset.

5. Place the headset comfortably over the ears.

Make sure the coil is completely inside the

earcup. Do not allow the coil to break the headset

earseal. The coiled cable should completely retract

into the headset.

1. Position the headset around the neck so that

the right (RED) earplug is positioned on the right

shoulder and the left (BLUE) earplug is positioned

on the left shoulder.

2. Insert the right

(RED) earplug

into the right ear.

3. Insert the left

(BLUE) earplug

into the left ear.

4. Place the

headset on the

head and allow

the coil to pull

into the earcup.

6|DANR THP | DANR THPC

To install the headset into some head protective devices, one or both of the earcups may need

to be temporarily removed.

Earcup Removal and Attachment

1. Use a #1 Phillips screw driver to remove the ¼ turn fastener holding each side of the

earcup to the metal stirrup.

2. To remove, gently rotate the fastener ¼ turn counter clockwise (CCW). The cam will

disengage, and the fastener will stop turning when the fastener is disengaged. Too much

applied torque may break the fastener or damage the insert.

3. Pull the stirrup away from the cup. The fastener is captured on the stirrup so it will not

fall away.

4. To reinstall the cup, insert the fastener into the receptacle, and gently rotate the fastener

¼ turn clockwise (CW) to reengage the fastener. A click should be heard as the fastener

cam engages. Too much torque may cause damage to the fastener or the insert.

5. Gently try to pull the stirrup away from the earcup to verify the fastener is reengaged.

6. Repeat for the opposite earcup side.

Pull on Stirrup to

Verify Fastener

Engagement

USER MANUAL |7

The power switch is located below the battery at the bottom of the right side earcup. The

switch slides forward and backward with the 0 indicating the OFF position and 1 indicating the

ON position. The headset power should be in the OFF position when not in use and anytime

the earplugs are not fully inserted in the ears.

The headset controller automatically initializes to the

user’s ear each time the power is turned on. This process

is referred to as “AutoID”. AutoID should be conducted

with the earplugs fully inserted, with the ear cups in

normal position over the ears, and in a relatively quiet

environment. The user should wait 1-3 minutes after

inserting the earplugs before turning on the power. After

turning on the power, the user will hear a brief noise in both

ears for 3-10 seconds. After the initial AutoID sequence has

stopped, the system may take as long as 60 seconds to

initialize to the user. The user will hear a voice stating that the

headset is online after the controller comes on. If the AutoID

process fails, or if the user hears objectionable noises after

the controller turns on, the power should be cycled off and

then back on, to repeat the AutoID process. The different

voice messages and when they will be heard are summarized

in the table to the right.

DANR Controller

In the event that either “ANR disabled” or “Headset Problem” messages are delivered, two-way

communications capability will remain completely operational. Communications is also available

during headset initialization.

Message When

“Identifying

User”

After power

“Headset

Online”

~1 min after

power up

“ANR

Disabled”

within 1min

if error on

start

“Headset

Problem,

Restart

Headset”

Error is

detected

after start

“Battery Low”

Battery

power is

low

0 = OFF

1 = ON

Operation

Power

8|DANR THP | 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 rst 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

rst 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

Wind Guard

USER MANUAL |9

The rechargeable battery is attached to the earcup. A four step action is required to release the

battery, as illustrated below. A locking lever prevents the battery from accidentally becoming

disengaged from the headset.

Removing the Battery from Headset

1. Place the

index nger

on the

release lever.

2. Push the

release lever

towards the

earseal until

it stops.

3. With the

release lever

in position,

press the

button down.

4. With the button

pressed, pull back

on the release

lever and remove

the battery.

The battery is installed by placing the battery bottom in the earcup pocket and pushing the top

edge of the battery against the earcup until it latches in place.

Battery Installation into Headset

Top Edge

10 |DANR THP | DANR THPC

Maintenance

Earseal Replacement

Remove the seal by grasping and pulling the

rear ap of the seal over the retention lip of

the earcup on each side.

Replace the earseal by stretching the rear

ap of the earseal over the retention lip of the

earcup on each side.

The earplugs should be cleaned periodically with warm, soapy water and/or non-alcohol

wipes to prevent buildup of dirt and to disinfect. (NOTE: Do NOT submerge or allow water to

enter the sound port in the tip of the canal.) Earseals, earcups, and headband may be wiped

down with a cloth dampened with water.

The earplugs, headset, and associated equipment should be stored in the protective

cases provided.

See the Troubleshooting

and Maintenance guide

for details on headset

maintenance.

See the DANR Earplug

Manual for required

DANR earplug service and

maintenance.

Replacement

Parts Description

05-021001 DANR Earplug Set

05-021008 Replacement Waxguards with Applicator

05-999002 Aegisound® Ear Gel

05-999001 Replacement Earseal Kit

05-005001 DANR THP base headset with blank

module (battery not included)

05-005023 Battery Pack

05-012001 Two Gang Desktop Battery Charger

Boom and

Muzzle

Modules

Please contact Gentex Corporation

for information on currently available

congurations

EarplugsHeadset

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