Sensear SM1R User Manual

INTRODUCTION

English

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SUPPORT

For technical support, please contact the following:

Australia:

199 Great Eastern Highway,
Belmont, 6104, Western Australia
Tel (toll free): 1300 859 120
Tel: [phone]

US, Canada, Latin America and Europe:

3350 SW 148th Avenue, Suite 110
Miramar, FL 33027

Tel: [phone]

Email:

[e-mail]

USER GUIDE

For additional product information and

language translations,

see the following web page:

www.sensear.com/support/product-manuals

DOC00074 Rev.02

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COMMUNICATING

COMMUNICATING OVER TWO-WAY RADIO:

*Headband style is shown in this
diagram.
Behind the neck, and helmet mount
options are available.

Volume Up Button

To transmit over the two-way radio:

• Press and hold the button located on the Inline PTT.

• Release the Inline PTT button to cease transmission.

• To change the volume of the two way radio communications,
use the two way radio’s volume controls.

Volume Down Button

Power Button
Hatch cover

for programming only

Button not used

Notes:

• When the headset is powered off (and disconnected from the

inline PTT), the inline PTT button may not activate the two-way
radio. The PTT located on the two-way radio should be used.

• When the headset is powered on, the two-way radio PTT may

not activate the two-way radio.

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VOX

VOX can be used on VOX enabled two-way radios. Refer to the
two-way radio documentation for the setup and use of the VOX
feature.
When talking into the boom microphone using the VOX function,
expect an activation delay. A typical method to activate the VOX
command is to breathe into the microphone or speaking a simple,
one syllable word (such as “talk”).

Notes:

• The VOX function can be found to activate in windy conditions or

conditions where there is a lot of background noise. Sensitivity
adjustments can only be made by the two-way radio.

• Ensuring there is a wind sock on the boom microphone should

help avoid activation by wind noise, but may not eliminate the
issue.

Microphones

Headset cable

Headset connector

Boom Microphone

Mount - M5 Hex Screw
Connector - 2.5mm Audio Jack

SRCK60XX Cable assembly

Inline PTT
Two-way radio connector

(note these will vary depending
on connector)

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Ear
Cushions

INTRODUCTION

TROUBLESHOOTING

The SM1R is a state of the art hearing protection communication
system that allows you to retain situational awareness whilst
remaining in full contact with your two-way radio communication
device.

Situational awareness is provided by processing technology
and environmental microphones mounted within the headset.

Contact through two-way radios is enabled by the SRCK60(XX)*
cable assembly that is also provided with the headset.

Please note that the SM1R headset uses power from the two-
way radio. The SM1R must be connected by the appropriate
SRCK60(XX) cable to the radio to provide both situational
awareness and communication to the two-way radio.

1. Headset does not power up

2. Headset is switching on and off intermittently

3. The headset is not reacting to any controls

• Disconnect the headset at the Inline PTT check the connectors

are clear from any particles or fluids, then reconnect the
headset.

• Check the two-way radio is powered on, and that the two-way

radio battery is charged

• Check the two-way radio connector is properly connected to the

two-way radio. If the connector has threaded screws to hold the
connector in place, ensure these are fastened correctly.

4. Two-way radio audio is not clear or distorted

5. The headset cuts out

*SRCK60(XX) part numbers vary depending on the radio connector.
Consult your supplier for the appropriate cable.

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• Adjust the two-way radio volume at the two-way radio controls.

Setting a volume level of 50% is a good starting point.

• Check that the battery in the two-way radio is charged

6. Can’t hear any of the surrounding environment

• The headset may be in ‘Quiet mode’, or power is not present to

the headset. Press the power button on the headset to toggle
between Quiet mode and mode

7. The receiver can’t hear my voice and only can hear the
background noise

• Refer to the ‘Wearing the headset’ chapter of the manual.

Ensure that your boom microphone is set up appropriately.

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WEARING THE HEADSET

OPERATING THE HEADSET

The SM1R headset is designed to be worn with the headset sealing around
the ears. Specific examples of how to fit the headset around the ears are
covered under the ‘Fitting the headset’ section. The fit does alter slightly
depending on what style of mount is used - headband, behind the neck or
mounted to a helmet directly.

MODE:

When the headset is powered up, the unit is set into ‘ mode’*.
‘ mode’ allows full situational awareness of your surroundings

in addition to two-way radio communications.

Headset
Boom microphone

5mm

• The power button toggles between Quiet mode and mode

• The volume control buttons can be used to raise or lower the

audio level of the mode.

• * The default mode on power up can be programmed using the

Sensear app.

(1/4”)

Inline PTT

The boom microphone should be
placed approximately 5mm (1/4”) in
front of the mouth. Check to ensure
the white dot or microphone label is
facing towards you. The orientation
is essential as the microphone is
directional. If the microphone faces
a different direction, this may lead to
a reduction in transmission quality.

Two-way

radio

QUIET MODE:

By pressing the power button, this toggles ‘Quiet mode’.
Quiet mode only allows two-way radio communications to pass
through the headset.

Volume Up button

The inline PTT has a rotatable clip

Volume Down button

behind it to allow it to attach to the Power button

shirt / upper garment.

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The inline PTT must also be
connected to the two-way radio
using the multi-pin connector.

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