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)
02
02
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04
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02
06
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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
This manual suits for next models
3
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