Joyusing CS21 Series User manual

CONFERENCE SPEAKERPHONE
CS21 SERIES
USER MANUAL
V1.0（20200909）

CATALOGUE
PARTS LIST
CS21 series speakerphone
Parts list
Power connection diagram
Connection diagram
Int erface Introductions
INSTALLATION AND INTERFACE INTRODUCTIONS
How to install CS21
Self-detecting
GETTING TO KNOW YOUR PHONE
Parts of the phone
CS21U keypad
CS21B keypad
CS21W keypad
LED INDICATOR
HOW TO USE CS21
Useful settings for PC and video teleconferencing system
Placing a call via LINE IN/OUT
Placing a VoIP call in USB mode
Connection steps for USB
Initiating bluetooth mode
Making a Bluetooth mobile phone call
Answering a mobile phone call on CS21B
Ending the mobile phone call using CS21B
Muting a call on CS21B
Changing volume
Exiting bluetooth mode
Standby mode
Power saving mode
Rechargeable Battery management
Introduction to bluetooth mode
Establish bluetooth mode
Placing a call via mobile phone
Connection steps for mobile phone
USING BLUETOOTH AUDIO
Connection steps for 2.4G Wireless
Power saving mode (Power off)
Using 2.4G Wireless Audio (for CS21W model)
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Earphone mode settings
IMPORTANT SAFETY INSTRUCTIONS
ARPHONE MODE FOR EXTERNAL AUDIO DEVICE
MULTI-PARTY CONFERENCE CALL
CASCADING FUNCTION
Cascading operation

1.
If any items are missing or damaged, contact your place of purchase immediately.
Do not use damaged products!
Parts List
CS21 series speaker phone
Parts list
Certificate
User Manual
USB Cable
4-Strand 3.5MM Cable(optional)
1

2. Installation and Interface Introductions
Besides USB power supply,the CS21 supports power adapter and portable power
supply which the power output is 5V and at least 1A.It is useful for CS21 to
use IN/OUT port for a call with an external power supply.The CS21 can provide a
perfect solution via portable power for you to hold a long time conference call
without any connection.
How to install CS21
Connect the USB port of CS21 to a USB port of the equipment through the USB
cable, See connection diagram in the
The blue Leds should be on after connection.
page 4 .
1.If you need a conference call with bluetooth ,Press ” ” to open Bluetooth ,
then search and select “N310” on your Bluetooth device.The blue Leds should
be on after connection.
See connection diagram in the page 10 .
2. CS21B supply embeded a rechargeable battery for power supply.
3.You can aslo connect the " USB " port of CS21 to a portable power for a long time
and wireless connection meeting.
1. If you need a conference call with LINE IN/LINE OUT ,connect the IN/OUT port
of CS21 to a LINE IN/LINE OUT interface of PCs or video devices through the
3.5mm 4 strand cable(or audio transfer pulg),
The blue Leds should be on after
connection.See connection diagram in the page 4 .
2. Then connect the " USB" port of CS21 to a mobile power adapter with micro
USB port.Or you can connect the " USB
" port of CS21 to a portable power for
a mobile office.
USB connection
Bluetooth conncetion
IN/OUT connection
2

Power adapter
Portable power
OR
Power adapter and portable power supply which the power output is 5V
and at least 500mA
Power connection diagram
3

Power switch:
When the conference phone has access to electricity, the self-detecting program
will be activated.
The green,red and blue indicator LEDs will flash sequentially.
Self-detecting:
Connection diagram
USB: Connect to PC, or video system.
IN/OUT:Connect to LINE IN/OUT device or a mobile phone.
Connect to earphone or external audio device.
POWER
Interface introductions:
keep the power switch on
Earphone
Mobile phone
OUTIN
OR
Power switch
4

3. Getting to Know Your Phone
Parts ofthe phone
Ear phonePOWER/USB
IN/OUT
5

CS21U keypad
key and the
red leds should be on
1:Press" "key and the red leds should be on
2:Then press " "Key and the blue leds should
be on.”Mobile Mode”is activated successfully.
Speaker mute key Mute speaker
1:Press" "
2:Then press " " Key and the blue leds should
be on.”PC Mode”is activated successfully.
Volume up key
Volume down key
Adjust volume up
Adjust volume down
Off-hook key Lync Off hook
Hang up key
Lync hang up
Press " "key for 5 seconds and the green
leds should be on,”Earphone mode"is
activated successfully.
Microphone mute key Mute microphone
PC Mode
Mobile Mode
6

POWER Key
Volume up key
Volume down key
Adjust volume up
Adjust volume down
Off-hook key Lync/bluetooth off hook
Hang up key
Microphone mute key Mute microphone
PC Mode
Mobile Mode
Lync hang up
Press " "key for 5 seconds and the green
leds should be on, "Earphone mode" is
activated successfully.
1:Press " "key and the red leds should be on
2:Then press " "Key and the blue leds should
be on."Mobile
Pre
2:Then press " " Key and the blue leds should
be on.”PC Mode”is activated successfully.
1:
CS21B keypad
1: Power on in power saving mode
2: Power off in standby
3: Speaker mute in working
ss" "key and the
red leds should be on
Mode”is activated successfully.
7

CS21W keypad
Off-hook key Lync off hook
Hang up key
Lync hang up
Press " "key for 5 seconds and the green
leds should be on, "Earphone mode" is
activated successfully.
POWER Key
Microphone mute key Mute microphone
1: Power on in power saving mode
2: Power off in standby
3: Speaker mute in working
Volume up key
Volume down key
Adjust volume up
Adjust volume down
PC Mode
Mobile Mode
1:Press " "key and the red leds should be on
2:Then press " "Key and the blue leds should
be on."Mobile
Pre
2:Then press " " Key and the blue leds should
be on.”PC Mode”is activated successfully.
1: ss" "key and the
red leds should be on
Mode”is activated successfully.
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4. Led Indicator
Blue USB/Bluetooth/ Mobile Phone is connected
Red Microphone mute
Blinking blue Speaker mute
Blinking green Battery charging
Blinking red Low battery warning
LEDs
Green Battery full
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5. How to Use CS21
Placing a VoIP call in USB mode
Connection steps for USB
CS21 is able to connect to PC and video conferencing system via USB,providing up
to 48 KHz bandwidth for speaker and microphones.Make sure the PC/ video
devices are ready when placing a call.
1. Connect the PC or video system to CS21 USB
port with USB cable. (See page 3)
2. It will take a few seconds to install the driver
automatically for the first setup.
For these instructions, it is assumed that the computer is turned on, the software
(e.g.Skype®) or video conferencing software is running and the CS21 is
connected to the computer CS21.
Use
ful settings for PC and video teleconferencing system
Increase or decrease the volume of speaker and microphone to get the best voice
quality for other video teleconferencing system.
Please use HD voice codec if possible.
Do not activate the automatic gain control (AGC) effect of speaker and microphone.
Do not activate the sound processing effect (such as automatic gain control(AGC),
echo cancellation(AEC) and noise suppression(NS)) of software on the PC or video
system.
Placing a call via LINE IN/OUT
1.Insert audio transfer plug into the IN/OUT port of CS21.
2. Connect the microphones port and speaker port of Audio Transfer" " " "
plug to the IN/OUT port of PC and video conferencing system with two
3-strand 3.5mm cable.(See page8)
3. Please set the LINE IN/OUT mode to “PC Mode”(See page 6).
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Mobile Phone
Connection steps for mobile phone
1. Connect the “IN/OUT” port of CS21 to the earphone port of mobile phone
with 3.5mm cable.
2. Please set the LINE IN/OUT mode to “Mobile Mode”(See page 6).
For example,if you were in call on your mobile phone,you could connect your
mobile phone to continue your conversation and microphones to continue your
conversation and include everyone in the room in the conversation.
For these instructions,it is assumed that the mobile phone is turned on ,the mobile
phone is on conversation,and the CS21 is connected to the mobile phone via the
4-strand 3.5mm cable.
Placing a call via mobile phone
This feature allows you to take advantage of the CS21’s speaker
and microphones.
OUT
POWER
IN
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6. Using Bluetooth Audio(for CS21B Model)
conference anywhere, even in environments where there are no analog lines or
1. Manually establish a bluetooth connection with CS21B from a previously
unpaired mobile phone (see instructions below), or
1. Press " " key in standby then the CS21B will be into bluetooth mode
NOTES: If bluetooth connection not set up in 90 seconds, please press” “
again to open the bluetooth of CS21.
This feature enables you to combine the convenience of a mobile phone or
computer calling application with the acoustics of a conference phone. For
example, if you were in a call on your mobile telephone, you could connect your
mobile phone via Bluetooth to the CS21B and use its speaker and microphones
to continue your conversation and include everyone in the room in the
conversation.Bluetooth mode on the CS21B provides increased flexibility to
2 Manually establish a bluetooth connection with CS21B from a previously paired
.
mobile phone (select “CS21” from a list of paired devices on your mobile phone).
minutes.The green Leds should be flashed three times .for 2
2. On your bluetooth device, select “CS21” as the discovered device .
Once the bluetooth enabled device is paired and linked with CS21B, the blue
LEDs should be on.
3. After connecting successfully,the blue LEDs of CS21B should be on.Then refer
to the following sections for use with either a mobile phone or computer.
Placing a conference call with bluetooth
Bluetooth mode is an additional new mode of operation offered by the
Establish bluetooth mode
Initiating bluetooth mode
Confguring the CS21B for Bluetooth Mode
CS21B.
telephony infrastructure.
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1. Ensure the mobile phone is paired and linked with the CS21B. See
“Initiating bluetooth mode” for more information.
2. Dial the phone number on the bluetooth-enabled mobile phone.
3. When fnished, terminate the call as you normally would with your
mobile phone,computer or press “ ”key the on CS21B.
Answering a mobile phone call on CS21B
4.Press the audio of your mobile phone and choose the bluetooth device CS21.
1. Ensure the mobile phone is paired and linked with the CS21B. See “Initiating
bluetooth Mode” for more information.
2. When the mobile phone rings, answer the call on your mobile phone as you
normally would or
Making a bluetooth mobile phone call
3. Press ” ”button on the CS21B.
Changing volume
Press the Volume Up/Down buttons on the CS21B to adjust the volume to the
desired level.
Standby mode
When CS21B is powered with no any connection, the CS21B is into standby mode.
The LEDs all are off.When you press " " key, the blue LEDs should be flashed
a few seconds.
Muting a call on CS21B
Press ” ” key on the CS21B to mute/unmute microphone.
Exiting bluetooth mode
Press " " key for 3 seconds to exit bluetooth mode while bluetooth connecting.
The red/bule/green Leds should be flashed in sequence.
Ending the mobile phone call using CS21B
1. Disconnect the call on your mobile phone as you normally would, or ;
2. Press “ ” key on the CS21B.
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Rechargeable Battery management
Normally the CS21B can support above 3 hours working time and 24 hours standby
time with the inner rechargeable battery.When the battery voltage is in a weak
voltage the red LEDs should be flashed and please charge for the CS21B.When the
battery is fully discharged the red/blue/green LEDs should be flashed in sequence
for 1 minute thenthe CS21B will be shut off power automatically.
The CS21B is charged by external power supply with "USB" port and "POWER"
port.You can only use 5V power adapter or portable power to connect to "POWER"
port for charging.The blue LEDs should be flashed while charging in standby.
The CS21B is also charged automatically while connecting to PC or USB device with
Please fully charge the battery before use for the first time. Do not leave a fully
charged battery connected to the charger, overcharging may shorten its lifetime.
Power saving mode (Power off)
The CS21B has embedded a rechargeable battery for power supply and support
above 3 hours working time.When the CS21B is in standby,for saving power.
1. The CS21B will be into power saving mode automatically when it is in standby
for 2 minutes(without no connection).
2. It is recommended to make the CS21B be into the power saving mode manually.
Please press " " key for 5 seconds.The blue LED will be on for 1 second.
3. You can exit the saving mode by pressing " " key for using.
"USB" port.
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7. Using 2.4G Wireless Audio(for CS20W Model)
Rechargeable Battery management
Normally the CS21W can support above 3 hours working time and 24 hours
standby time with the inner rechargeable battery.When the battery voltage is in a
weak voltage the red LEDs should be flashed and please charge for the
CS21W .
When the battery is fully discharged the red/blue/green LEDs should be flashed in
sequence for 1 minute then the
CS21W will be shut off power automatically.
Power saving mode (Power off)
The CS21W has embeded a rechargeable battery for power supply and support
above 3 hours working time.When the
CS21W is in standby,for saving power.
1. The
CS21W will be into power saving mode automatically when it is in standby
for 2 minutes(without no connection).
2. It is recommended to make the
CS21W be into the power saving mode manually.
Please press " " key for 5 seconds.The blue LED will be on for 1 second.
3. You can exit the saving mode by pressing " " key for using.
Connection steps for 2.4G Wireless:
1.Insert the wireless adapter to the USB port of the PC.
2.Start the
CS21W , after 5 seconds, the blue LEDs will keep on, and 2.4G Wireless
connection is set up.
2.4G wireless mode is an additional new mode of operation offered
by the CS21W. This feature enables you to combine the convenience
of computer calling application with the acoustics of a conference
phone. For example, if you were in a call on your computer, you
could connect your computer via wireless adapter to the CS21W and
use its speaker and microphones to continue your conversation and
include everyone in the room into the conversation. 2.4G wireless
mode on the CS21W provides increased flexibility to conference.
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8. Multi-party Conference Call
9. Earphone Mode For External Audio Device
The CS21 has earphone mode for earphone or external audio device.The CS21
inner speaker will be closed and the speaker singal is output from " " port.
You can hold a private communication with it or enlarge speaker coverage for
large meetingroom.
Earphone mode settings
1.Firstly connect earphone port " " of CS21 to earophone or other external
audio device with 3.5mm cable.
2.Then press " "key for 4 seconds and the green Leds should be on.
3.The CS21 enters into earphone mode for private communication or enlarging
speaker coverage.
4.The CS21 will exit the earphone mode after pressing " " key for 4 seconds
while CS21 in earphone mode.
Multi-party Conference Call & Line Mode Selection
CS21 allows you to hold conference calls via analog LINE IN/OUT(or mobile
phone) ,USB VOIP and bluetooth simultaneously. All above network will be
mixed automatically.You can add another line or switch between connected
during a call freely.
CS21supports plug and play for the above kinds of lines conveniently. It is
no need to under take any set tings , anytime and anyway.
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10. Cascading Function
The CS21W is charged by external power supply with "USB" port and "POWER"
You can only use 5V power adapter or portable power to connect to "POWER"
for charging.The blue LEDs should be flashed while charging in standby.
The CS21W is also charged automatically while connecting to PC or USB device
Please fully charge the battery before use for the first time. Do not leave a fully
charged battery connected to charger, overcharging may shorten its lifetime.
same good.
other CS21.
2
1. Connect one CS21 to the terminal equipment and start it and then start the
2. Connect the " " port of the main CS21 and the "IN/OUT" port of the
subordinate CS21 through the 3.5mm 4-strand cable.
Cascading operation
CS21 has cascading function. For meeting rooms larger than 20m, you
can use the cascading function and link two CS21, the microphone
gather range can extend up to 6m, and the sound quality will be the
the main CS21 the subordinate CS21
3. The blue LEDs of the two CS21 will be on, and cascading is set up.
port.
port.
with "USB" port.
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