APX37x
DECT, Bluetooth, and Electronic Headsets
Manual
7340 SW Durham Road, Portland, OR 97224 USA
Phone: 800-833-4558, 503-684-7080, Fax 503-620-2943
www.soneticscorp.com • e-mail: service@soneticscorp.com
Table of Contents
Overview 1
Model Matrix 1
Contents in Box 1
Accessories (not included) 1
Features 2
Common Features, All Models 2
Common Features, Communication Headsets 3
Wireless Bluetooth® Technology 3
Wireless DECT Communications 4
Configuring the Headset 5
Headband Removal 5
Headband Installation 5
Behind Head Headstrap Installation 6
Replacing the Ruggedizer 6
Connecting a Two-way Radio 6
Fitting 7
Overhead Fitment 7
Behind Head Fitment 7
Fitment Warnings 8
Charging 9
Battery Replacement 10
LED Indications 10
Settings & Operation 11
Buttons 11
Main Menu 12
Advanced Menu 13
Wireless Bluetooth® 14
Wireless DECT 14
Quick Launch 15
PC Programming 15
Locating the USB Port 15
Installation of the Sonetics Configurator Windows Program 15
Care and Maintenance 16
Mic Muff Replacement 16
Ear Seal Replacement 16
Troubleshooting 17
General 17
Wired Auxiliary 17
Wireless Bluetooth 17
Wireless DECT 17
Glossary 18
Specifications 19
Headset 19
Regulatory 19
Bluetooth® Specifications 20
DECT Specifications 20
Important Safety Information 21
General Warning for Sensitive Electronic Devices 21
General Communication Privacy Notice 21
Industry Canada (I.C.) Notice 21
FCC Part 15 Information 22
FCC/IC RF Exposure Warning 22
Rechargeable Battery Information 22
Important NRR Information 23
Sonetics Standard Limited Warranty 24
Overview
APX372
APX373
APX375
APX377
APX379
Microphone
Listen Thru
Dosimeter
Wired AUX
Wireless Bluetooth
Wireless DECT7
The Sonetics APX37x electronic headset protects you from dangerous noise levels
while enhancing all other audio to a comfortable listening level. Protect your
hearing without sacrificing safety and situational awareness. Hear alarm bells,
music, or even have a face-to-face conversation knowing you’re still protected.
Integrate with a two-way radio, cell phone, and MP3 player simultaneously via
wired and optional wireless Bluetooth inputs. DECT7-enabled models extend team
communication (just like a conference call) up to 1,600 feet (line of sight). The
rugged, submersible and comfortable design ensures this headset is ready for tough
work environments.
Model Matrix
= Included
Contents in Box
Headset
1 ea x Apex Headset
Manual and Reference
1 ea x Quick Reference Guide
1 ea x Manual (online at: www.soneticscorp.com
Charging
1 ea x AC Wall Adaptor
1 ea x Heavy Duty DC Charging Cable
1 ea x Fuse Assembly
Accessories
1 pair x High Visibility Yellow Ruggedizers (Installed)
1 pair x ComLeather Earseals
Tools
1 ea x Headband/Battery Removal Tool
(Sonetics Screw Driver)
)
= Not Available
Accessories (not included)
Hard Hat Adaptors
Auxiliary PR Radio Interface - Connect to any portable two-way-
radio and many other devices
Color Ruggedizers in a variety of colors to meet you team’s needs
Earseals to enhance comfort
Worldwide Power Adaptor
1 | Page
Features
Common Features, All Models
Light Weight
Thru the use of the latest light weight technologies, Sonetics is able to deliver a
wireless headset that is lighter than many wired communication headsets.
Adjustable Volume Control
The headset has a programmable and real-time adjustable volume to the user. The
headset will remember the last setting at each power up for convenience.
Automatic Loud Noise Suppression
The headset will limit high impulse events such as gun shots from being transmitted
to the user when using the Stereo Listen Thru.
Convertible Headband
The headset is user configurable for overhead, behind-head, or hard hat (with hard
hat accessory). This gives the user the ability to change the headset purpose over
time without needing to invest in a new headset.
Color Ruggedizers
The ruggedizers offer additional protection. They are available in many colors (sold
separately) to give the user the ability to define teams, roles, or enhance safety.
Extreme Environmental Design
The headset has an IP-67 dust and water egress rating. This ensures that even when
dropped into water, the headset may be removed and useable. We have also
verified operation to -40F/C for extreme cold weather environments.
Listen Thru Situational Awareness
The headset has two listen thru microphones to give the user stereo situational
awareness. The microphones are also place on the forward edge of the headset to
give the user the perception of sounds in the front verses sounds from the rear. The
listen thru has a programmable volume level and will limit all sounds to 82dB to the
user.
Long Battery Life
With over 24 hours of continuous use, the headset works whenever the user needs
it.
Multilingual Voice Prompts
The headset is capable of English and Spanish voice prompts. This gives the user the
ability to navigate the headset in their preferred language.
Multimode Auto Shutdown
The headset is designed with multimode auto shutdown to provide convenience for
the user and extend the battery life.
Bluetooth and DECT Wireless Shutdown
After establishing a wireless connection, if there is a loss of wireless
connections for 5 minutes, the headset will power down.
Flexible Charging
AC adaptor and DC automotive charging cable are included to integrate the wireless
headset into the user’s environment.
Hearing Protection
The headset conforms to many of the required hearing protection standards
protecting the user from harmful noise.
In Headset Charging
The powered headset has a complete charging circuitry built in and ready to be
charged from multiple sources. These sources include the supplied AC wall adaptor
or DC charging from a variety of sources including most cars, trucks, and aircraft.
Refer to specification for charging voltages and power requirements.
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Non-Activity Shutdown
Shutdown due to non-audio activity after 1 hour.
All of the shutdowns have a verbal announcement and may be cancelled by the
user by pressing any button.
Noise Dosimeter
The headset measures the sound level inside the ear cup cavity to up to a 24 hour
period to ensure noise expose limits are being followed. The headset will remember
the TWA (Time Weighted Average) even when turned off (the memory will reset
after 6 hours of being off) and will average the last 24 hours continuously.
Programmable audible alerts send a voice prompt to the user notifying them of the
last 24 hours of exposure. The system automatically adjusts the various inputs
(listen thru, AUX, Bluetooth, DECT, and side tone) to ensure compliance to hearing
protection standards.
Two Stage Low Battery Alert
The powered headset has a two stage low battery alert system to notify the user
when approaching a depleted battery. This allows the user to have adequate notice
before loss of communications.
USB Programmable
The headset has a built in USB port for configuring with your Windows PC. Many of
the features may be customized and saved from the program. Refer to the Sonetics
Headset Program for details.
Common Features, Communication Headsets
Not available on the APX372 headset.
Auto-Leveling Microphone
The headset automatically detects the voice of the user against the noise in the
background. This allows the headset to have an automatic VOX (noise gate or
squelch) that needs no adjustment when transitioning from areas of differing noise
levels.
User Replaceable Battery
The powered headset uses an industry standard replaceable battery. This allows the
user to replace the battery at end of life and have spares in the field for extended
operation times.
Voice Prompts
The voice prompt menu guided system allows the user to make all adjustments
without removing the headset to look for lights, text, or knob positions. The Voice
Prompts automatically adjust volume to ensure intelligibility in changing
environments.
Wired Line-in
The wired line-in is used to interface with cell phones and hand held radios. This
gives the user another source for flexibility in their communication needs. The
wired connection features a mono input and output with PTT output. See your
Sonetics dealer for an accessory to match your equipment.
Noise Cancelling Microphone
The microphone is a noise cancelling type designed to remove the background
noise right at the mic element. This allows the receiver of the conversation to hear
the person talking and not the background noise.
Radio PTT
The headset interfaces with any two-way portable radio using the wired AUX input
or wireless DECT connection. When there is a DECT connection, the PTT signal is
passed to the wireless DECT. Otherwise, the PTT signal is passed to the wired AUX
input.
Wireless Bluetooth® Technology
Available on the APX379 & APX375 headsets.
The headsets with wireless Bluetooth operation have the ability to connect with
other wireless Bluetooth enabled devices. This allows the user to add an additional
source to listen to or communicate with. Devices such as cell phones, mp3 players,
mobile radios, computers, etc. expand the communications potential.
A2DP Audio Streaming
The headset features integrated A2DP streaming audio functionality, so you can
listen to music or podcasts, and hear turn-by-turn direction information from a GPS
application on your phone. You can also use this feature to stream audio from a
Bluetooth-enabled computer to the headset.
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Wireless DECT Communications
Available on the APX379 & APX377 headsets
The headset features a wireless DECT communication channel enabling full duplex
communication, like a phone call, to others on the same channel. The Sonetics
wireless DECT headsets will connect with standalone Sonetics wireless base stations
or a Sonetics IP-DECT wireless system. This DECT communication network gives the
user up to 1600ft line-of-sight to the wireless base. The standard further ensures
interference free and digitally encrypted communications amongst all parties.
different activities while enabling the users to change channel and become one
communication team. Refer to the Wireless base station manual for configuration.
Out of Range Warning
The headset will notify the user via voice prompt when the DECT connection is low
and it appears to go out of range from the wireless base station.
Proximity Pairing
To enhance security, the base station will only pair to wireless DECT units in close
proximity. This adds another layer of protection for users.
Backwards Compatibility
The wireless headset is backwards compatible with the Sonetics first generation
wireless bases with minimal loss in functionality.
Dual Dome Antenna Design
Each dome has a separate DECT antenna using diversity switching to lock onto the
best signal. This allows the user to not worry about head position relative to the
wireless base and delivers the best possible connection at all times.
Listen Only Mode
The headset may be placed into a listen only mode of operation reducing the power
consumption considerably. This also allows many more headsets to be connected to
a base station simultaneously. Refer to the wireless base manual for details.
Radio PTT or Intercom Only Selection
The headset may be configured to transmit a radio transmit signal to radios
connected to the DECT Wireless Base Station and Intercom of the Sonetics DECT
wireless communication system. This allows the user to transmit over multiple
radios depending on the base stations and intercom configuration. Additionally, the
headset may be selected to not radio transmit. This is excellent for teams that need
some users who will use the radio transmit and others who do not.
Multiple Radio Control
Using the Sonetics Digital Intercom with multi-radio option, the base station may be
programmed to allow the headset to selectively transmit over up to four different
radios and four auxiliary inputs to the Sonetics Digital Intercom.
Signal Strength Reporting
The headset may be placed into a signal strength mode allowing the user to map
out the signal strength to the wireless base the headset is connected to.
Wide Band Audio
The wireless DECT communications are transmitted in a high definition wide band
audio format. This allows greater intelligibility of the user and integration with voice
activated control systems. This feature is defeatable to allow the user to be in a
narrow band audio communication.
Multi-Channel System
Depending on the wireless DECT base station or IP-DECT system, the user may have
access to multiple channels. This allows large teams to have separate channels for
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Configuring the Headset
The Sonetics power headset may be configured for use as an overhead, underhelmet, or hart hat (sold separately) headset. The different headbands are attached
through a secure snap joint on the side of the ear domes. This snap joint secures
the headset to the ear dome, maintains the ear dome orientation, and provides a
full motion of freedom to allow the dome to seat comfortable against the user’s
head.
Headband Removal
Tools Required: Headband Removal Tool
1. Use the handle of the Headband Removal Tool
Headband Installation
Tools Required: None
1. Align the headband with the domes as shown.
Over
Head
2. Place the handle between the headband and the dome. Note the notch in the
headband to secure the headband removal tool handle.
3. Use one hand to hold the dome on a flat surface
4. Gently push with the headband with the other hand.
5. Route the headband cable into the under headband as shown.
Behind
Head
2. Place the Dome onto a flat surface.
3. Press Down on the headband till the ball joint snaps into place.
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Behind Head Headstrap Installation
Tools Required: None
1. Insert the strap at dome opening.
2. Affix the strap using the hook and loop.
Connecting a Two-way Radio
Tools Required: Scissors
1. Remove the left dome ruggedizer.
2. Cut the along the groove on the underside of the ruggedizer.
(with the microphone boom attached)
Replacing the Ruggedizer
1. Remove the headband
2. Peel back the ruggedizer
3. Replace the ruggedizer. Note the left and right.
3. Replace the ruggedizer.
4. Open the Radio Cover and plug in the Sonetics PR Radio Adaptor.
5. Screw the adaptor into place.
6. Connect the Sonetics PR Radio Adaptor to the Radio.
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Fitting
Behind Head Fitment
Proper fitment is required to achieve the rated hearing protection levels.
Overhead Fitment
Ensure no damage to
1. Inspect
2. Expand
3. Place
the earseals or the
headset
Open headband to
full width
Place cups over ears,
without sitting on any
part of the ear
Position microphone
no more than 1/8” from
lips
1. Inspect
2. Expand
3. Place
Ensure no damage to the
earseals or the headset
Open headband to
full width
Place cups over ears,
without sitting on any part
of the ear
Position microphone no
more than 1/8” from lips
4. Adjust
5. Seal
BB
Adjust headband to sit
gently on top of your head
Test seal by pressing
against your head
and listening for a change
in sound level
Adjust headband to sit
gently on top of your
head
Test seal by pressing
against your head
and listening for a
change in sound level
4. Adjust
5. Seal
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Fitment Warnings
Microphone Placement
Improper Placement and Adjustment
Obstructions
Ensure headwear and hair does not cause gap in the earseal.
To optimize the speech, the microphone is noise cancelling type. This type of
microphone is designed to enhance sounds from very close, while reducing sounds
from afar. Ensure proper placement for best results.
Glasses
Ensure Glasses do not cause a gap in the earseal.
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Charging
The Sonetics powered headsets use a barrel charging jack with the connections
below.
Wall Adapter Charging
Only charge the headset using the supplied 12VDC regulated wall adapter.
WARNING: Using unregulated wall adapters will damage the headset and
void the warranty.
Vehicle Charging
Connect the RED wire to +12VDC and the BLACK wire to battery chassis ground.
Install the fuse no further than 18" from the battery.
WARNING: Only replace fuse with the same type, 1.5A AGU.
WARNING: Voltages exceeding the headset charging specification will
damage the headset. Verify the headset voltage specification to the vehicle
battery and charging system specifications.
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Battery Replacement
Charging
Non-Charging
Function
Red Flash
Bluetooth® Connection Established and in
progress
Red/Green
DECT Connection Established and in
progress
Blue/Green
Both Bluetooth and DECT connections
Established and in progress
Battery Level
= Battery <25%
Red Solid
—————
Green Solid
—————
The Sonetics powered headsets use a 18650 Lithium Ion battery. While common,
the batteries from Sonetics are the only batteries that have been tested and
verified to operate correctly with the headset. Use only the manufacturer approved
batteries for best performance of the headset.
WARNING: Use only Sonetics approved batteries.
LED Indications
The Sonetics powered headset uses a multicolor LED indicator to give additional
information on the exterior of the headset. The table below describes the behavior
while charging or in use.
Tools Required: Headband/Battery Removal Tool (Flat Head Screwdriver)
1. On the right dome, pull back the ruggedizer if the headset has one
installed.
2. Open the battery door on the right dome using the screwdriver.
3. Remove the battery. Recycle or Discard per local laws. Refer to
Rechargeable Battery Information
4. Insert the replacement battery with the positive end first.
5. Close the battery door and tighten the screw with the screwdriver.
6. Replace the ruggedizer if the headset has one installed.
Blue Flash
.
Green Flash
Flash
Headset On
Headset in DECT pairing mode
= Battery >75%
= Battery 50-75%
= Battery 25-50%
Charging
Fully Charged
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Settings & Operation
Listen Thru -/Channel -1
PTT
Listen Thru +/Channel +1
Volume +/Selection +1
Menu
Volume -/Selection -1
–
Buttons
Right Side
Left Side
Power on/off
⏻
Turn On
Press and release the power ⏻ button. You will hear the welcome message and the
LED on the right hand side of the unit will begin to flash periodically.
Turn Off
Press and release the power ⏻ button. You will hear the headset powering down
message and the LED will turn off.
Adjusting the Main Volume
Press the plus or minus – sign button on the left-hand side of the headset.
Adjusting the Listen Thru Volume / DECT Channel Select
Press the forward or back sign button on the right-hand side of the headset.
Pressing simultaneously the forward or back sign buttons will toggle between
Listen Thru and DECT Channel if the headset has a DECT connection.
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Main Menu
Factory Setting
Options:
Maximum
•
Off
Factory Setting
Options:
Auto 2
• Microphone On (No Noise Gate)
Fixed 110dB
The headset settings are adjusted in the headset menu system. When in the menu
system, all other functions except PTT and Power are locked out.
To Enter the Main Menu
• Press the menu button for 3 seconds.
• Sequentially pressing the menu button cycles thru the menu items.
Using the plus and minus – makes adjustments and enters the next
level of menu.
To Exit the Main Menu
• Press the menu button or wait 30 seconds to automatically exit.
Pressing any of the right side buttons (forward , PTT , back ) will fully
exit the menu as well.
Listen Thru Volume
Maximum (Amplified Listen Thru)
To Adjust
1. Enter the Main Menu
2. Repeatedly press the menu button till you hear “Listen Thru”.
3. Then press either the plus or minus – to adjust the listen thru volume up or
down.
4. To exit either press the menu button or wait 30 seconds.
• Level 4: No Gain Listen Thru
• Level 3
• Level 2
• Level 1
•
VOX Level
The VOX Level may be configured into multiple modes of operation to tailor to the
user’s application.
• To turn on the microphone always use “ON”. This disables the VOX noise gate
completely. A whisper will be heard by all.
• The next 3 are for setting automatic noise gate functionality with lower to
higher sensitivities.
• The last 4 are separate settings for fixed sound pressure level environments.
This is for use where you know the sound levels are consistent.
When the user presses the Radio PTT, any noise gate will be removed to allow the
user to be heard without effort to overcome the noise gate settings.
To Adjust
1. Repeatedly press the menu button till you hear “VOX”.
2. Then press either the plus or minus – to adjust the VOX level. This adjusts
how much force you will have to use to open the microphone.
a. At minimum, the VOX will be off and you will hear all sounds through the
talk microphone.
b. At maximum, the headset will require PTT to be pressed to talk.
3. To exit either press the menu button or wait 30 seconds.
• Auto 1
• Auto 2
• Auto 3
• Fixed 90dB
• Fixed 100dB
•
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Advanced Menu
Factory Setting
Options:
“Radio VOX”:
•
Radio VOX
“Intercom Toggle”:
Toggle to Talk Intercom only
Factory Setting
Options:
On
• On – OSHA (85dB dose, 8hrs, 115dB max)
Off – Dosimeter disabled (Reset)
The Advanced Menu is for the set-up and configuration of the headset for the
application it is used in. Caution must be made in making adjustments in the
advanced menu as these changes the headsets operation characteristics. When in
the menu system, all other functions except PTT and Power are locked out.
To Enter the Advanced Menu
• Simultaneously press then release both the menu and PTT buttons till
you hear “Advanced Menu”.
• Sequentially pressing the menu button cycles thru the advanced menu
items. Using the plus and minus – makes adjustments.
To Exit the Advanced Menu
• Press the menu button or wait 30 seconds to automatically exit.
Pressing any of the right side buttons (forward , PTT , back ) will fully
exit the menu as well.
Radio & Intercom Function
This menu sets the function of the PTT and Intercom.
Radio Transmit: For Radio PTT, when the headset has a DECT connection, the PTT
will activate only the DECT Radio wireless connection. When the Headset does not
have a DECT connection, the PTT will activate the AUX Radio wired connection.
Intercom: This configures how the PTT and Noise Gate interact with each other
while the person is talking amongst the local wireless team. If you can hear yourself
through the side tone, others can hear you.
Dosimeter Settings
This sets the behavior of the headset dosimeter.
When on
The headset will measure the A-Weighted sound pressure level (SPL) in each ear
cup. The SPL is calculated and retained over time to create a table of the sound
exposure over a 24 hour period. When the headset is turned off it will not record
values. When the SPL exceeds 85dB over an 8 hour period or exceeds the sound
dose allowed by OSHA, the headset will alert the user.
During the time of use, the headset will dynamically control the various input
volumes to ensure compliance with OSHA sound dosage standards.
To Adjust
1. Enter the Advanced Menu.
2. Repeatedly press the menu button till you hear “Dosimeter <status>”.
3. Press either the plus or minus – to cycle thru the options.
4. Exit the Advanced Menu
To Reset
1. Enter the Advanced Menu.
2. Repeatedly press the menu button till you hear “Dosimeter <status>”.
3. Cycle the Dosimeter on and off using the or minus – to clear the memory.
4. Exit the Advanced Menu
•
“
Radio Transmit
on PTT , Hands
Free Intercom
To Adjust
1. Enter the Advanced Menu.
2. Repeatedly press the menu button till you hear option.
3. Press either the plus or minus – to cycle thru the options.
4. Exit the Advanced Menu.
• “Radio PTT”: Radio Transmit on PTT , Push to Talk Intercom
• “Intercom VOX”: Hands Free Intercom only
• “Intercom PTT”: Push to Talk Intercom only
•
”: Radio Transmit on PTT , Hands Free Intercom
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Wireless Bluetooth®
To create a new Bluetooth pairing
1. Turn off the headset.
2. Turn on the headset.
3. The headset will enter into Bluetooth pairing mode for the first 10 minutes of
operation.
4. Enter connectivity options on your Bluetooth device and under Bluetooth
search for new devices. Once the search is complete select Sonetics-HS## and if
prompted for a password enter four zeros (0000).
To answer a call
Quickly press and release the menu button.
To hang up a call
Quickly press and release the menu button.
Wireless DECT
The headsets with the DECT communication feature have the ability to use the
Sonetics DECT and IP-DECT wireless bases for communication. The protected
frequency in each region ensures interface free operation. All DECT communication
is full duplex (like a phone call).
Pairing the DECT Headset
The DECT wireless headset uses a semi-permanent link with a DECT base station or
IP-DECT system to remember where to connect each time a connection is
established. No additional steps are required after a headset has been paired to a
base. Each time thereafter the headset will remember the base and automatically
reconnect.
To Create a New DECT Pairing
1. Turn off the headset.
2. Enter the Base Station into Pairing Mode.
3. Hold down the PTT button and Turn on the headset.
4. Keep holding the PTT button till the LED begins to flash Red/Green .
5. Release the PTT button.
6. If Successful, the LED will begin to flash Green .
7. If not, repeat #1.
To erase a DECT pairing, follow the pairing sequence above without entering the
Base Station into Pairing mode.
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Quick Launch
Action
Button
–
Volume Up
Volume Down
Listen Thru Up
Listen Thru Down
Radio DECT Channel Up
Radio DECT Channel Down
Bluetooth Answer
Short
Bluetooth Hang-up
Short
Main Menu
Long
Advanced Menu
Most settings are available via a series of buttons presses to access the menu item
directly. Two buttons in the same row requires both buttons to be pressed.
PC Programming
All of the headsets feature a USB port located inside the left dome. Using the
Sonetics Configurator program, you can adjust some additional features on a
Windows PC. Refer to the program for additional information.
⏻
Power On/Off
Radio PTT
Toggle between Listen Thru
& DECT Channel Select
DECT Pairing Long
VOX level
Change Language
= Press & Release
Short = Short Press & Release, <3 seconds
Long = Long Press, >3 seconds
Locating the USB Port
Installation of the Sonetics Configurator Windows
Program
1. Go to www.SoneticsCorp.com/software.
2. Download and Install the program for the headset.
3. Plug in the USB cable from the headset to the computer.
4. Open the program.
5. Follow the directions of the configurator program.
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Care and Maintenance
• Inspect ear seals and mic muff frequently for wear. If you see any defect such as
holes or cracks in the ear domes, ear seals, or headband, headset should be
immediately repaired or replaced.
• Wipe Headset and ear seals with a mild soap and water mixture only. The foam
mic muff may be removed and cleaned in a mild detergent, or replaced by
ordering from Sonetics.
WARNING: Do not store the headset in high temperature environments or
direct sunlight.
Mic Muff Replacement
Replace the microphone windscreen every 3 months for optimal performance.
To replace the Mic Muff:
1. Remove the old mic muff and o-ring holding the mic muff in place.
Ear Seal Replacement
Replace the ear seals every 6 months for optimal performance and conformity to
NRR.
WARNING: Worn ear seals will degrade the headsets ability to reduce noise
and protect the users hearing.
To replace the ear seals:
1. Remove the old ear seal by pulling on the edge and over the lip of the ear
dome.
2. Place the new ear seal staring at the bottom, pull over the lip of the ear
dome using your finger. Do not use any sharp tool as it may damage the
ear seal and reduce hearing protection.
2. Place the new mic muff over the microphone.
3. Slide the o-ring over the mic muff to retain it to the microphone as shown.
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Troubleshooting
General
1. Verify the headset is turned on.
2. Verify the battery is charged and within it’s useable life.
3. Verify the talk text is facing the user’s mouth on the microphone and located
within ¼” of the user’s mouth.
No audio communication and/or PTT from or to the base.
1. Ensure that power is turned on to the wireless headset and it is connected.
2. Ensure that the modular communication cable is connected between the base
station and intercom.
3. Check the modular communication cable between the base station and
intercom for continuity.
4. Ensure correct polarity of the modular plug on both ends of the modular cable.
Wired Auxiliary
1. Verify the connection to the 2-way radio.
2. Verify the programming in the radio.
3. Verify the PR adaptor to the make and model of the radio.
Wireless Bluetooth
Disconnects, intermittent connectivity, or difficulty finding, pairing, or connecting.
1. Verify your device and headset model uses Bluetooth.
2. Check that you are in range of the Bluetooth accessory with which you are
trying to pair your device.
3. Turn on Bluetooth on your device.
4. Turn on discoverable mode on your device.
5. Cycle the power on the headset and/or the device being connected to.
6. On your device, find the headset in the list. If your device says Not Connected,
tap the name of your headset to attempt to connect it.
7. Fully charge both headset and the device.
8. Delete the headset from your device and create a new pairing.
9. Update your device to the latest Bluetooth firmware.
Wireless DECT
Disconnects, intermittent connectivity, or difficulty finding, pairing, or connecting.
1. Verify the headset is a Wireless DECT model.
2. Check that you are in range of the DECT Base Station.
3. Verify the Base Station and the Headset are in pairing mode.
4. The Sonetics DECT headset will only pair with other Sonetics DECT Base
Stations.
5. Cycle the power on the headset and/or the Base Station.
6. Fully charge both the headset and the Base Station (if applicable).
7. Check location of the base station and external antenna location. The base
station should not be installed inside metal enclosures or any other location
closer than 4 inches to a metal object or surface.
Poor quality audio, low or distorted received or transmitted audio.
1. Ensure that the volume level is properly adjusted on the intercom. For digital
intercom series intercoms, it is recommended that the volume level is set as
high as possible on the intercom without causing distorted audio on the
headset side, and that the volume control on the headset is adjusted for
comfortable listening.
2. Poor quality audio can also be caused by a defective headset. Check operation
with a known, well-functioning headset.
3. Ensure that the proper base station model for your intercom is used.
Audible interference from portable and mobile radios.
1. The wireless system is tested and proven to be immune to interferences from
portable and mobile communication equipment operated anywhere in the
frequency spectrum from 30MHz to 18GHz. However, care should be taken
with installation of communication cables between the intercom and the base
station. These cables should be routed away from portable and mobile radios
and antenna cabling in order to prevent RF interference from such devices.
If a problem persists contact Sonetics Service for additional help.
17 | Page
Glossary
Base Station
Wireless DECT base unit that the wireless DECT headsets pair and link to for
communication.
Bluetooth
Wireless standard in the 2.4GHz wireless range.
dBA
A-Weighted SPL unit of measure.
DECT
Digital Enhanced Cordless Telecommunications wireless standard in the 1.9GHz
wireless range.
Dosimeter
Measure the individual’s expose over time. In this case the SPL.
Link(ing)
The temporary wireless connection each time.
Pair(ing)
To create a semi-permanent wireless connection.
PTT
Push to Talk. Typically used to describe radio transmitting.
SPL
Sound Pressure Level. Measurement of sound loudness. Measured in dBA.
18 | Page
Headset
Specifications
ISO
Conducted Transients: 7637-2
Quality Management System: ISO9001:2008
Weights
Over Head: 15.8oz / 448g | 17.8oz / 504g with Ruggedizers
Behind Head: 16.2oz / 458g | 18.1oz / 514g with Ruggedizers
Power
Battery: 3.7V rechargeable lithium ion
Battery Life: >24 hours @ 25C
Protection: Over voltage, under voltage, over current and over
temperature protection
AC Charge source: Supplied 12VDC, 500mA wall charger
DC Charge source: 5VDC to 16VDC, 1.5A minimum
Charge Time: <4 hours for fully discharged battery
Environmental
Operating temperature: -40°F to 140°F / -40°C to 60°C
Storage temperature: -4°F to 122°F / -20°C to 50°C
Charging Temperature: 32°F to 113°F / 0°C to 45°C
IP-Rating: IP-67 (Dust Tight, Immersion to 1 meter for 30min)
Regulatory
FCC
FCC ID APX379: V9N950325200V1
FCC ID APX377: V9N960325300V1
FCC ID APX375: V9N950325400V1
FCC Part 15: All Models
Industry Canada
IC UPN APX379: 7895A-950325200
IC UPN APX377: 7895A-950325300
IC UPN APX375: 7895A-950325400
MIL SPEC
Chemical Exposure: Intermittent Exposure MIL-STD 810 Method 504:
Isopropyl alcohol, Formula 409®, WD-40®, Windex®
Bleach/Water (1:1), Mineral oil, Synthetic Sweat,
Jet A Fuel, Kerosene, Gasoline,
Deicing (Ethylene or Propylene Glycol mixtures),
Potassium-Acetate based solution, Ansulite.
Not Approved for use with Skydrol®
Humidity: MIL-STD 810F and 810G
Temperature Shock: MIL-STD 810F and 810G
or equivalent.
NRR
Behind Head NRR Rating: 20dB
Over Head NRR Rating: 20dB
SAE
Conducted Immunity: J1113-11
Electrostatic Discharge: J1113-13
Radiated Emissions: J1113-41
Radiated Immunity: J1113-21
Salt Spray: J1455, Sec. 4.3
Vibration: J1455 Sec. 4.9
UL
UL1642 Standard for Lithium Batteries
UN
UN38.3 UN Transportation Testing for Lithium Batteries
,
19 | Page
Bluetooth® Specifications
Class: Class 2 Device
Frequency Bandwidth: 2400 MHz to 2485 MHz
Maximum Output Power: 2.5 mW / 4 dBm
Range: Up to Bluetooth standard 33 feet (10 meters)
Version: Bluetooth 3.0 with secure simple pairing
DECT Specifications
Common DECT Specifications
Carrier Spacing: 1.724 MHz
Time Slots: 2 x 12 (up and down stream)
Channel Allocation: Dynamic
Encryption: DECT Standard Cipher with 35-bit initialization vector
Audio Bandwidth: 300 Hz to 3.4 kHz, Narrow Band, G.726 compression
50 Hz to 7 kHz, Wide Band, G.722 compression
Region 1 Specific Specifications
Authorized for use in: Canada, USA
Frequency Bandwidth: 1920 MHz to 1930 MHz
Number of Carriers: 5
Total Time Slots: 60 in G.726(narrow band) / 30 in G.722(wide band)
Average Output Power: 4 mW
Maximum Output Power: 100 mW
Range (line of sight): 1600 feet maximum
20 | Page
Important Safety Information
CAUTION! Follow all warnings and instructions marked on the product or
contained in the owner’s manual.
When using this product, always follow basic safety precautions to reduce the risk
of fire, electric shock and injury to persons, including the following:
The headset water and dust egress IP rating does not apply when the battery
door or Auxiliary input door is open. DO NOT expose this unit to rain or
moisture with either door open.
The headset is not certified for explosive environments. Do not use the headset
to report a gas leak in the vicinity of the leak.
There are no user serviceable parts inside the headset. Disassembly will void
the warranty and will degrade the water sealing and hearing protection.
Use only the power adapters, power cords and batteries indicated in the
manual. If more than one type of power adapter is included in the product, the
manual specifies which adapter should be used for each component. Be sure to
use the proper adapter for each product component.
Do not place the power cord where it creates a trip hazard or where it could
become chafed and create a fire or electrical hazard.
Do not subject the unit to high temperatures or leave it in direct sunlight for an
extended period of time.
Retention of dangerous objects: The Headset may hold small objects in the
area of the earpiece. Before use, check that the earpiece area is free of staples,
pins, clips or any other small metallic objects or foreign matter.
SAVE THESE INSTRUCTIONS
General Warning for Sensitive Electronic Devices
This equipment and any radio-based can electronic potentially cause
electromagnetic based interference with other equipment and can be interfered
with other equipment. This also applies with DECT based Equipment. Due to the
very low transmission power associated with DECT the chance for interference is
small. However some specific precautions must be taken into account for sensitive
electronic equipment e.g. sensitive laboratory equipment, medical instruments or
medical implants to avoid incidental influence of equipment operated in straight
nearness to sensitive electronic equipment. You are therefore advised not to place
the DECT equipment or its antenna in close proximity to sensitive equipment by
maintaining a 20cm minimum distance between the sensitive equipment even in
standby mode. Please also consider referencing the documentation provided by us
and the manufacturer of sensitive electronic items guiding its proper usage.
General Communication Privacy Notice
Although this equipment may contain specific protocols that enhance security and
privacy of communication, privacy of communication may not be ensured when
using this equipment.
Industry Canada (I.C.) Notice
This section applies to radio frequency equipment bearing an I.C. Equipment ID
Number (UPN).
This device if labeled with an IC UPN, complies with Industry Canada license-exempt
RSS standard(s).
Operation is subject to the following two conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may cause
undesired operation of the device.
Ce dispositif est conforme à la norme CNR-210 d'Industrie Canada applicable aux
appareils radio exempts de licence. Son fonctionnement est sujet aux deux
conditions suivantes:
(1) le dispositif ne doit pas produire de brouillage préjudiciable, et
(2) ce dispositif doit accepter tout brouillage reçu, y compris un brouillage
susceptible de provoquer un fonctionnement indésirable.
Canada SAR Information:
This device contains a radio transmitter. This device has been shown to be capable
of compliance for localized specific absorption rate for uncontrolled environmental
/ general public exposure limits specified in RSS-102, ANSI/IEEC95.1-2002 and have
been tested in accordance with the measurement procedures specified in IEE 1528-
2003.
Déclaration d'exposition aux radiations: Cet équipement est conforme aux limites
d'exposition aux rayonnements IC établies pour un environnement non contrôlé.
Cet équipement doit être installé et utilisé avec un minimum de 20 cm de distance
entre la source de rayonnement et votre corps.
Any base station or approved base station antenna meant to be used in conjunction
with this equipment must not be used in close proximity to the body. Keep a
minimum distance of greater than 20 CM to the human body. This device and
antenna must not be co-located in conjunction with any other equipment antenna
or transmitter.
This class A digital apparatus complies with Canada ICES-003. CET appareil
numérique de la classe A est conforme à la norme NMB-003 et CNR 210 d’Industrie
Canada.
21 | Page
FCC Part 15 Information
This device complies with part 15 of the FCC rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that
may cause undesired operation.
Modifications not expressly approved by Sonetics Corporation could void the user’s
authority to operate the equipment.
Privacy of communications may not be ensured when using this device.
FCC PART 15.105(a): Note: This equipment has been tested and found to comply
with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful
interference in a commercial environment. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at
his own expense.
FCC/IC RF Exposure Warning
• This product complies with FCC radiation exposure limits set forth for an
uncontrolled environment.
• The headset is designed for body-worn operation and meets FCC RF exposure
guidelines when used accessories supplied with this product. (All necessary
accessories are included in the package; any additional or optional accessories
are not required for compliance with the guidelines.) Use of other accessories
might not comply with FCC or IC RF exposure guidelines.
• This product may not be collocated or operated in conjunction with any other
antenna or transmitter.
• Any base station or approved base station antenna meant to be used in
conjunction with this equipment must not be used in close proximity to the body
Keep a minimum distance between human body and base station and base
antenna of at least 20 CM (8.0 inches) at all times.
• This headset device and antenna must not be co-located in conjunction with any
other equipment antenna or transmitter.
• This headset has been tested and meets the FCC RF exposure guidelines.
Rechargeable Battery Information
CAUTION!
Risk of explosion if battery is replaced by an incorrect type!
Dispose of used batteries according to the instructions.
Do not open or mutilate the battery.
Disconnect the battery before shipping this product.
This equipment contains a rechargeable Lithium-Ion (Li-Ion) battery. This
battery is not user-serviceable.
Do not modify or attempt to open the battery cell. In case of exposure to the
cell contents, wash the affected area thoroughly and seek medical attention.
Do not expose the battery to temperatures in excess of 140° F (60° C).
Do not short-circuit the battery or expose battery to moisture
Exercise care when handling a battery near conductive materials such as
jewelry or buttons: conductive materials can short the battery, and the battery
or conductor can overheat and cause burns.
When charging this equipment, only use the charger designed to charge the
battery as specified in the owner’s manual: using any other charger may
damage the product or cause the battery to explode.
Before placing the headset in the charger, make sure the battery is installed
and the battery cover is securely in place.
Do not place the batteries in your regular trash. All batteries must be recycled
or disposed of in an environmentally sound manner. Contact your local waste
management officials for information and regulations on the proper collection,
recycling, and disposal of batteries.
Use only the replacement batteries approved by Sonetics Corporation which
have internal protection circuit, use of non-approved battery replacements
may cause fire, injury or damage product.
Always observe correct battery polarity during use and charging.
Do not place batteries in your regular trash.
All batteries must be recycled or disposed of properly.
22 | Page
Important NRR Information
Mean
16.3
15.5
19.8
27.3
31.4
39.2
40.6
41.2
38.7
Std. Dev
2.7
1.9
2.1
2.2
2.7
3.0
3.4
2.8
3.1
Frequency in Hz
Subject
125
250
500
1000
2000
3150
4000
6300
8000
Mean
16.3
16.4
20.4
26.2
32.2
37.0
39.6
40.8
40.0
Std. Dev
3.1
2.1
1.9
2.1
3.5
3.1
3.8
3.0
3.1
Frequency in Hz
Subject
125
250
500
1000
2000
3150
4000
6300
8000
Mean
13.8
14.3
20.3
28.5
32.4
36.9
40.7
41.3
38.2
Std. Dev
1.7
1.6
2.2
2.7
2.4
3.2
3.4
3.8
3.1
To the user, the EPA requires the Sonetics Corporation to provide the following information:
Model: NRR User Information (EPA Noise Reduction Rating)
Model (Behind Head) Attenuation Characteristics
Frequency in Hz
Subject 125 250 500 1000 2000 3150 4000 6300 8000
Overall device NRR when properly fitted is: = 20dB
Model (Under Helmet) Attenuation Characteristics
Overall device NRR when properly fitted is: = 20dB
1) In a noisy environment, place the palms of your hands on both cups and push
the cushions towards your head and release.
2) You should not notice a significant difference in the noise level.
3) If the noise seems to lessen when you press the cups, your earmuff is probably
not fitted properly (If necessary reposition headset and ensure hat, hair or
jewelry are not interfering with proper fit/seal of the muff pad to head.
• Regularly check cushions for wear and clean them occasionally as necessary with a damp
cloth or disinfect ear seal surface with non-alcohol PPE wipes. (Do not use harsh
detergents or any solvents which may damage the ear seal over time). Check ear seal
cushions for wear. If the cushions become hard, damaged or otherwise deteriorate, they
should be replaced promptly (Contact Sonetics or your authorized dealer for exact
replacement parts.
• Warning: Hats, balaclavas, glasses or other items worn on the head may potentially
prevent proper sealing and reduce the level of hearing protection significantly which can
possibly cause hearing damage.
Although hearing protectors can be recommended for protection against the harmful effects
of impulsive noise, the Noise Reduction Rating (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 gunfire.
Model (Over-the-Head) Attenuation Characteristics
Overall device NRR when properly fitted is: = 20dB
Notice: Improper fit of this device will reduce its effectiveness in attenuating noise (See
fitting instructions).
Important Ear Muff Fitting Instructions:
• Inspect hearing protectors for dirt damage and foreign objects each time before you
place the hearing protector / headset on your head.
• Earmuffs offer excellent protection if the cups are fitted and adjusted properly. Your ears
should be completely enclosed by the ear cups.
• Adjust the cups up or down to fit the headband securely at the crown of your head. The
best performance is obtained when the cushions form a tight seal against your head.
(See Fitment Section for your specific headset type located in this User Manual)
• Never attempt to physically modify/bend/overstress the headband which may
compromise NRR rating, proper fit and void product warranty.
• Test the fit as follows:
23 | Page
Cautionary Note: 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 NRR.
NRR Example:
1. The environmental noise level as measured at the ear is 92 dBA.
2. The NRR is (value on label) decibels (dB).
3. The level of noise entering the ear is approximately equal to [92 dB(A) -NRR] dB(A)].
CAUTION: For noise environments dominated by frequencies below 500 Hz “the C weighted
environmental noise level should be used.’’
Warning: This communication headset has been sealed by the factory to assure noise
protection rating and lock out dust and moisture and has no internal user serviceable parts
other than the batteries. Do not attempt to open or service the unit as this will potentially
reduce NRR and the ability for the device to protect your hearing. Un-authorized
disassembly, modification or servicing or nullifies warranty and my cause hearing loss or
reduction in NRR rating if the factory seals or calibration is compromised.
Sonetics Standard Limited Warranty
Sonetics Corporation (“Sonetics”) warrants to the original purchaser of its products
that products will be free from defects in materials and workmanship under normal
and proper use for the period of one (1) year from date of purchase.
Sonetics Corporation will repair or replace, at its option, any products showing
factory defects during this warranty period, subject to the following provisions and
obligations:
1. This warranty applies only to a new product sold through authorized channels of
distribution.
2. All work under warranty must be performed by Sonetics Corporation or Sonetics
Authorized Service Center.
3. All returned products must be shipped to our address, freight prepaid and
Sonetics will return products to customer via ground freight. Any expedite fees or
additional freight charges will be charged to customer.
4. Any attempt to repair, service, or alter the product in any way voids this
warranty.
5. This warranty does not apply in the event of accident, abuse, misuse, liquid
contact, improper installation, unauthorized repair, tampering, modification, fire,
earthquake, or damage from other external sources – including damage caused
by user-replaceable parts.
6. This warranty does not apply: (a) to consumable parts such as batteries, ear seals,
intercom bags, cables, external power supplies, parts listed as accessories to a
system, or other parts designed to diminish in function over time unless a failure
is due to a defect in materials or workmanship; (b) to cosmetic damage or to
defects caused by normal wear and tear or aging of the product; (c) to damage
caused by use with non-Sonetics products; (d) to damage caused by operating the
product outside the permitted or intended uses or environments described by
Sonetics; (e) to damage caused by service performed by anyone who is not a
representative of Sonetics or an Sonetics Authorized Service Provider; (f) to a
product or part that has been modified without the written permission of
Sonetics; (g) if any Sonetics serial number has been removed or defaced.
7. This warranty does not extend to any other equipment, apparatus, vehicle,
aircraft, or watercraft to which this product may be attached or connected.
THE FOREGOING IS YOUR SOLE REMEDY FOR FAILURE IN SERVICE OR DEFECTS.
SONETICS CORPORATION SHALL NOT BE LIABLE UNDER THIS OR ANY IMPLIED
WARRANTY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, NOR FOR ANY
INSTALLATION OR REMOVAL COSTS OR OTHER SERVICE FEES. THIS WARRANTY IS
IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE
WARRANTY OF MERCHANTABILITY OR FITNESS OF USE, WHICH ARE HEREBY
EXCLUDED. TO THE EXTENT THAT THIS EXCLUSION IS NOT LEGALLY ENFORCEABLE,
THE DURATION OF SUCH IMPLIED WARRANTIES SHALL BE LIMITED TO ONE (1)
YEAR FROM DATE OF PURCHASE. NO SUIT FOR BREACH OF EXPRESS OR IMPLIED
WARRANTY MAY BE BROUGHT AFTER ONE (1) YEAR FROM DATE OF PURCHASE.
Subject to the terms and limitations of this Sonetics Standard Limited Warranty, this
warranty covers any new covered product found to be defective within the
applicable warranty period. Sonetics reserves the right to examine the alleged
defective covered product to determine whether this Sonetics Standard Limited
Warranty is applicable, and final determination of warranty coverage lies solely
with Sonetics. If Sonetics determines that warranty coverage applies, Sonetics
reserves the right to either repair or replace a covered product or any part thereof,
as determined by Sonetics in its sole discretion. If the product has been subjected
to conditions which exclude coverage under the warranty, customer will be so
advised. Customer may then authorize paid repair service or other disposition of
the product. Notwithstanding any other provision of this warranty, if you sell or
otherwise transfer ownership of your covered product, this Sonetics Standard
Limited Warranty shall automatically terminate.
24 | Page
SONETICS CORPORATION
Copyright ©2014 Sonetics Corporation - All rights reserved.
The information in this document is subject to change without notice.
P/N: 600-3051-00 Rev. A
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