background image

3

4

2

Controls and Connection

Fe

de

ra

l C

om

m

un

ic

at

io

Co

m

m

is

si

on

 In

te

rf

er

en

ce

 S

ta

te

m

en

Th

is 

eq

ui

pm

en

t h

as

 b

ee

te

st

ed

 a

nd

 fo

un

to

 c

om

pl

w

ith

 th

lim

its

 fo

r a

 C

la

ss

 B

 

dig

ital devic

e, pursuan

t t

o P

ar

t 15 of the FC

C Rules

. T

hese limits ar

e desig

ned t

pr

ovide r

easonable pr

ot

ec

tion against har

mful in

ter

fer

enc

e in a r

esiden

tial 

installa

tion. 

This equipmen

t gener

at

es uses and can r

adia

te r

adio fr

equenc

ener

gy and

, if not installed and used in ac

cor

danc

e with the instruc

tions

, ma

cause har

mful in

ter

fer

enc

e t

o r

adio c

ommunica

tions

. Ho

w

ev

er

, ther

e is no 

guar

an

tee tha

t in

ter

fer

enc

e will not oc

cur in a par

ticular installa

tion. I

f this 

equipmen

t does cause har

mful in

ter

fer

enc

e t

o r

adio or t

elevision r

ec

eption, which 

can be det

er

mined b

y tur

ning the equipmen

t o

ff

 and on, the user is enc

our

aged t

tr

y t

o c

or

rec

t the in

ter

fer

enc

e b

y one of the f

ollo

wing measur

es: 

   -R

eor

ien

t or r

eloca

te the r

ec

eiving an

tenna. 

   -I

ncr

ease the separ

ation bet

w

een the equipmen

t and r

ec

eiv

er

   -

Connec

t the equipmen

t in

to an outlet on a cir

cuit di

ff

er

en

t fr

om tha

t t

o which 

    the r

ec

eiv

er is c

onnec

ted

   -

Consult the dealer or an e

xper

ienc

ed r

adio/T

V t

echnician f

or help

FC

C C

aution: A

ny changes or modi

fi

ca

tions not e

xpr

essly appr

ov

ed b

y the par

ty 

re

sp

on

sib

le

 fo

r c

om

pl

ia

nc

co

ul

vo

id

 th

us

er

's 

au

th

or

ity

 to

 o

pe

ra

te

 th

is 

equipmen

t. 

Th

is 

de

vi

ce

 c

om

pl

ie

s w

ith

 P

ar

t 1

of

 th

FC

Ru

le

s. 

O

pe

ra

tio

is 

su

bj

ec

t t

th

fo

llo

w

in

tw

co

nd

iti

on

s: 

(1

) T

hi

s d

ev

ic

m

ay

 n

ot

 c

au

se

 h

ar

m

fu

l i

nt

er

fe

re

nc

e,

 a

nd

 

(2) this devic

e must ac

cept an

y in

ter

fer

enc

e r

ec

eiv

ed

, including in

ter

fer

enc

e tha

ma

y cause undesir

ed oper

ation. 

Th

is 

eq

ui

pm

en

t c

om

pl

ie

s w

ith

 F

CC

 R

ra

di

at

io

ex

po

su

re

 li

m

its

 se

t f

or

th

 fo

r a

unc

on

tr

olled en

vir

onmen

t. 

To main

tain c

omplianc

e with FC

C RF e

xposur

co

m

pl

ia

nce

 re

qu

ire

m

en

ts

, p

le

as

av

oi

di

re

ct

 co

nt

ac

t to

 th

tr

an

sm

itt

in

an

te

nn

dur

ing tr

ansmitting

BL

UE-MIC2-KU

Bluet

ooth M

icr

ophone K

it

For use with A

ndr

oid and A

pple iOS 

smar

tphones using the A

T&T EPT

T app

.

CO

BA

LT

 A

BL

U

E-

M

IC

2-

KU

Ma

de

 in

 Ta

iw

an

KIT 3 SHOWN

CHARGING THE BLUE-MIC2-KU LAPEL MICROPHONE

The COBALT AV BLUE-MIC2-KU lapel microphone has an internal Lithium Ion rechargeable battery pack 
which must be charged prior to operation. A fully charged battery will provide approximately 10 hours 
(or more) of operation before needing to be recharged. However, operating time can vary depending 
on usage and the condition of the battery pack. Recharge the battery regularly.

EARPHONE/AUDIO 

ACCESSORY

COBALT AV 

ERBD

 

shown. Other 

earphones/ audio 

accessories are 

listed below.

CLOTHING CLIP

The alligator-type clip secures 

the COBALT AV BLUE-MIC2-KU 

lapel microphone to the 

user’s clothing during use. 

The clip can be rotated to 

allow the mic to be better 

positioned.

PUSH-TO-TALK 

BUTTON

This button is used 

to activate

the push-to-talk 

feature of the

AT&T EPTT app.

PHONE BUTTON

When the BLUE-MIC2-KU 

is paired with a cellular 

phone, this button can 

be used to manage 

phone functions such as 

answering 

or hanging up a call.

STATUS LED

The status LED 

fl

ashes 

messages that let the 

user know the current 

status of the device.  

For a complete list of 

the LED messages, see 

page 7.

USB CHARGE JACK

This micro-USB jack is used to connect the supplied charge 

cable to the BLUE-MIC2-KU in order to recharge the device’s 

internal lithium-ion battery pack.

VOLUME UP/DOWN BUTTONS

These buttons can be used to set the volume level of the 

earphone connected to the BLUE-MIC2-KU’s Earphone/Accessory 

Jack.

BUILT-IN MICROPHONE

When the BLUE-MIC2-KU is 

used with a listen-only 

earphone, this microphone 

picks up the user’s voice audio 

to send over- the-air.  When 

an accessory containing a 

microphone is used, the 

internal microphone is muted.

EARPHONE/ACCESSORY JACK

Any standard 3.5 mm mono or stereo listen-only earphone can 

be plugged into this jack. Received calls will be heard over the 

earphone.  This jack can also be used with a 3.5 mm 4-conductor 

(Apple iPhone compatible) audio accessory that contains both 

an earphone and a microphone such as Apple part numbers 

ME186LL/A, or MD827LL/A. (Not included.) When used with such 

an accessory, received calls can be heard over the accessory 

earphones and transmit audio will be taken from the accessory 

microphone.

POWER BUTTON

Pressing this button for one second turns the COBALT AV 

BLUE-MIC2-KU lapel microphone on or o

ff

. This button is 

also used to place the lapel microphone in pairing mode 

so that it can be connected wirelessly to a cellular phone.

To charge the PRYMEBLU BTH-300-KU lapel microphone:

1. Ensure the BLUE-MIC2-KU Lapel Microphone is turned o

ff

 using the Power Button.

2. Plug the supplied wall charger into a standard 120 volt AC outlet.
3. Plug the charge cable into the AC wall charger and then into the charge jack on the side of the lapel 
microphone. You will need to remove the protective rubber cover that is inserted into the charge jack. 
(To prevent dust and moisture from damaging your lapel microphone, always ensure this cover is in 
place when you are not charging the lapel mic.)
4. Once the charging process has begun, the LED indicator on the back of the BLUE-MIC2-KU Lapel 
Microphone will show a continuous red light. When the battery is done charging, the LED light will 
turn o

ff

.

5. Typical charge time is approximately 4 hours. Actual charge time will vary depending on several 
factors including the battery’s charge state, condition, and age.
6. Disconnect the charger from the lapel mic when charging is completed.

Charging Cautions:

- Use only the wall charger supplied by the 
manufacturer. Do not use any other charger.
- Do not use a wall charger that appears 
to be damaged. (Example: frayed wires, 
melted plastic, etc.)  Contact COBALT AV 
to get a new manufacturer-approved 
replacement charger.
- Do not tamper with or modify the 
BLUE-MIC2-KU lapel microphone or charger.
- Always turn the power switch to the o

ff

 position 

when charging the BLUE-MIC2-KU Lapel Microphone.

P-CBL-BT-USB charger cable and P-CHA-BT-USB 

wall charger included with BLUE-MIC2-KU.

CONNECTING AN AUDIO ACCESSORY TO THE BLUE-MIC2-KU 

LAPEL MICROPHONE

The COBALT AV BLUE-MIC2-KU lapel microphone has an internal 

Lithium Ion rechargeable battery pack which must be charged

prior to operation. A fully charged battery will provide 

approximately 10 hours (or more) of operation before 

needing to be recharged. However, operating time can 

vary depending on usage and the condition of the 

battery pack. Recharge the battery regularly.

In order to be able to hear incoming signals 

received by the two-way radio or cellular phone, 

the COBALT AV BLUE-MIC2-KU lapel microphone must 

be used with a wired audio accessory that includes 

an earphone.  A COBALT AV KLSH ear bud-style 

earphone is included with the lapel microphone kit.  

However, many di

ff

erent optional wired audio 

To connect an audio accessory to the BLUE-MIC2-KU

 

lapel microphone:

1. Plug the audio accessory into the 3.5 mm audio jack located on the top of the COBALT AV 

BLUE-MIC2-KU lapel microphone. Make sure that the connector on the audio accessory is pushed all 

the way into the jack on the lapel microphone.

2. You can adjust the volume of received signals by using the Volume Up and Volume Down buttons on 

the lapel microphone or by adjusting the volume setting on the radio or cellular phone.

Optional Audio Accessories:

Although the BLUE-MIC2-KU KIT 1 includes a COBALT AV ear bud-style earphone, it is possible to use a 

di

ff

erent audio accessory, if you wish. The 3.5 mm audio jack on the lapel mic will accept any mono or 

stereo earphone with a 3.5 mm audio plug. You can also use any 3.5 mm 4-conductor (Apple iPhone 

compatible) audio accessory that includes both an earphone and a microphone, such as Apple part 

numbers ME186LL/A, or MD827LL/A (not included).  If the audio accessory has a built-in microphone, 

transmit audio will be taken from the accessory microphone.

COBALT AV makes a variety of listen-only earphones and accessory microphones in di

ff

erent styles 

that will work with the BLUE-MIC2-KU:

KIT

BLUE-MIC2-KU KIT 1
BLUE-MIC2-KU KIT 2
BLUE-MIC2-KU KIT 3
BLUE-MIC2-KU KIT 4
BLUE-MIC2-KU KIT 5
BLUE-MIC2-KU KIT 6
BLUE-MIC2-KU KIT 7

TYPE

Listen-only
Listen-only
Listen-only
Listen-only
Mic+Earphone
Mic+Earphone
Mic+Earphone

TOP VIEW

STYLE

Ear Bud Earphone
Acoustic Tube Earphone
Bullet Transducer Acoustic Tube Earphone
G-Hook Swivel Earphone
Boom Mic Headset with D-Ring Earphone
Throat Mic Headset with Acoustic Tube Earphone
Motorcycle Helmet Boom Mic Kit

MODEL

KLSH
SLSH
ERBD
GLSH
DLSM
TM
MKB

COBAL

T A

V and BL

UE-MIC2-KU ar

e tr

ademar

ks o

wned b

y C

obalt A

udio 

Video

, L

exingt

on, K

Y.

All other pr

oduc

t or ser

vic

e names ar

e the pr

oper

ty of their r

espec

tiv

e o

wners

.

© 2017 C

obalt A

udio 

Video

, L

exingt

on K

Y.  A

ll R

igh

ts R

eser

ved

Version 1.00 July 2017

2350 Fortune Drive, Lexington KY

 40509

PH: 859.299.9494  F

AX: 859.299.9334

T

OLL

 FREE: 800.264.6021

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.COM

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