Zeromic STHD-F1 User manual

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Headset for Two-Way Radio
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Wired version
ＳＴＨＤ－Ｆ１
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Bluetooth version
ＳＴＨＤ－Ｆ 2
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Instruction manual

CONTENTS
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●Before using the product / Product features ....................P.1
●Basic operation of Zeromic ................................................P.2
●Products and Accessories ..................................................P.3-4
●Appearance and function of Zeromic ................................P.5-6
●LED display function(common specifications) ................P.7-8
●Headset volume adjustment function
(common specifications) .....................................................P.9-10
●The noise cancellation function
(common specifications) .....................................................P.11-12
●Emergency call function(common specifications) ...........P.13-14
●Switching Two-way radio main speaker /
Earphone mike (common specifications) ..........................P.15-16
●Battery mounting version ...................................................P.17-18
●LED display function (Bluetooth version) .........................P.19-20
●Paring function (Bluetooth version) ..................................P.21-22
●Pairing with wireless PPT ...................................................P.23-24
●Voice guide function (Bluetooth version) ..........................P.25
●List of LED display mode ....................................................P.26
●The connection method of earphone mike and
various PTT button ..............................................................P.27
●Various of optional PTT switch (sold separately) ............P.28
●Method of wearing the product / Method of taking
off the earphone mike ..........................................................P.29
●Method of transmitting and receiving a call ......................P.30
●Product storage and maintenance / Replacement
of ear plug ... .........................................................................P.31
●For your more comfortable use ..........................................P.32
●Request for handling ...........................................................P.33
●General specification of Zeromic ......................................P.34
●The connection method of earphone mike and various
PTT button / Specification of Bluetooth version ...............P.35
●Warranty of product ............................................................P.36

Before using the product
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● Before using this product, please read the
instruction manual carefully and operate it in
the correct way.
● Please keep this instruction manual in case
you need to consult.
● To improve the product’s performance,
sometimes its specifications are required
to be changed.
● Please contact the vendors if you have any
question about the instruction manual.
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If you ignore the mark and operate the machine in the
W AR NING
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C AU TION
wrong way, it may causes death or serious injuries.
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If you ignore the mark and operate the machine in the
wrong way, it may causes injuries or material damage.
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Product features
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● Communicate with loud background noise
(~100dB).
● Even with the headset,two-way radio main
speakers can also be used to play other’s
voice.(select by function buttons)
● The new technology does not require a
microphone (sending and receiving signals
through speake only). You can communicate
even with gas masks.
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1

Basic operation of Zeromic
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● Call priority
"Press the PTT button to call" is the basic function of
the two-way radio product. Any action mode does not
affect the basic operation function.
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● LED lights indicate the operation of sound and tone
recognition
Zeromic has two-color LED lights, used to represent
the action status. In addition, when button operation
function is switched, the change can be confirmed.
Bluetooth connection status confirmed by inform voice.
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● Setting the necessary functions simply.
The frequently used button of Zeromic are single
function button of on the left and right, and the
combination of special function [F] button and other
buttons are also prepared.
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In order to reduce miss operation of change for function
and action status of Zeromic the effective operation is
completed by a long time hold of the individual voices is
set to confirm the change to be told.
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The LED does not display the usual operation function
of Zeromic In order to complete a variety of operating
functions, the voice wizard and voice recognition are
enriched.
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2

Products and Accessories
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■ Wired type
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Before using the products, please confirm the
product and accessories. If anything is missing,
Please consult the vendor.
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① Host (Control Box) (1)
② Earphone mike
(1)
③ Spare Earplug
(1)
④ Wired Small PTT Switch
(1)
⑤ Instruction Manual and Warranty Card
(1)
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Headset for Two-Way Radio
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Wired version
ＳＴＨＤ－Ｆ１
Bluetooth version
ＳＴＨＤ－Ｆ 2
Instruction manual
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3

Products and Accessories
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■ Bluetooth type
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Before using the products, please confirm the
product and accessories. If anything is missing,
Please consult the vendor.
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① Host (Control Box) (1)
② Battery Cable
(1)
③ Earphone mike
(1)
④ Spare Earplug
(1)
⑤ Wireless Small PTT Switch
(1)
⑥ Instruction Manual and Warranty Card
(1)
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Headset for Two-Way Radio
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① ②
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Wired version
ＳＴＨＤ－Ｆ１
Bluetooth version
ＳＴＨＤ－Ｆ 2
Instruction manual
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③ ④ ⑤
⑥
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4

Appearance and function of Zeromic
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Earphone mike / PTT button to
connect
Emergency
button
Volume
button
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Power
button
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Function
button
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PTT
button
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Earphone mike / PTT button to
connect
Charging
terminal
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5

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● Earphone mike / PTT button to connect
Socket, no matter which can connect the Earphone mike or PTT
button. Please select the installation interface of the two-way
radio
you can choose to connect the Earphone mike or PTT button on
the
according to the situation.
● PTT button
When the PTT button is pressed, the two-way radio enters
transmitting status. The PTT button of the two-way radio has
the
same function.
● Emergency button
Long press 3 seconds to enter the status of emergency
communications, Earphone mike's communication status will last for
more than 30 seconds. In addition, the emergency warning tone
will also be sent at the same
time.
● Power button (Battery built-in / Bluetooth) Two-
way radio power supply dispatch
model: Along with
the two- way radio’s starting, no need to operate,
the power is on.
The built-in battery model ：
Long press the button to start the power, after starting, by long
press button 10 seconds to cut off the
power.
Bluetooth model ：
Press the button for more than 2 seconds, the power is on, and
press more than 7 seconds to pairing. press the button for
more
than 10 seconds to cut off the power.
● Function [ F ] button
Additional function settings for Zeromic, can be used in combination
with other buttons or long press this button to set additional
functions.
● Volume button [▲] / [▼]
Used to adjust the volume of earphone. pressing▲, can increase
the
voice ， pressing▼, can decrease the voice.
● Charging terminal ：（ Battery built-in / Bluetooth ）
The built-in battery models equipped with charging terminal, can
be charged through the Micro USB and the USB terminal of
the
computer. When charging, the red light is on, the blue light
indicate that the charging is finished.
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LED display function
(common specifications)
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7

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Zeromic has the mode LED lamp (blue) and transmitting
LED lamp(red) 2 LED lights to be loaded. Two LED
lighting can confirm the operation state of Zeromic.
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● When starting Zeromic
Power on of two-way radio connecting with Zeromic, or press the
power button of Zeromic, red and blue LED lights lit up at the same
time, after the start of the self-check, start to confirm the Earphone
mike to hear the sound and LED lamp is off. For built-in battery models,
more than 2 seconds in case if there is no starting tone or no
response, please recharge the battery.
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● Red LED light: Transmitting / Battery charging while
transmitting:
Press the PTT button to transmitting mode, the red LED lights on.
In addition, the emergency button on to the "continuous transmitting
mode", repeatedly flashing.
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While battery charging (built-in battery version):
While battery charging from connecting with USB terminal, red LED
lights on.
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● Blue LED lights: power on and start / end of battery
charge / two-way radio’s main speaker
After the power switch is on, the Zeromic connection is started,
blue LED lights begins to flash.
●●● ●●● ●●● ●●● （3 times repeatedly on and off）
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Indicate the two-way radio’s main speaker mode:
When two-way radio’s main speaker is available, blue light is
flashing. From the speaker of two-way radio, receiving voice can be
heard. In this status, press the Function button , the Earphone mike
receiving the voice of Zeromic.
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Indicate the end of battery charging (built-in battery
version):
When battery charging is completed, continuously blue lights on.
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8