UHF-300
WIRELESS CONFERENCE SYSTEM
Version: REV1.0 (2017)
O
PERATION
MANUAL
UHF-300 Wireless Conference System
1
CONTENTS----------------------------------------------------------------------------------2
1. System Configuration and description-----------------------------------------------2
1.1 System features-----------------------------------------------------------------------2
1.2 Wireless meeting system receiver unit ---------------------------------------------2
1.2.1 Picture of the actual object -----------------------------------------------------------2
1.2.2 Features of wireless meeting system receiver unit ----------------------------------3
1.2.3 Schematic diagram of wireless meeting system receiver unit -----------------------3
1.2.4 Parameter of wireless meeting system receiver unit---------------------------------4
1.3 Wireless meeting system microphone unit ------------------------------------------4
1.3.1 Picture of the actual object -----------------------------------------------------------5
1.3.2 Features of wireless delegate microphone unit --------------------------------------5
1.3.3 Features of wireless chairman microphone unit -----------------------------------5
1.3.4 Schematic diagram of wireless microphone -----------------------------------------5
1.3.5 Parameter of Parameter of wireless microphone-------- ----------------------------6
1.4 Battery charger -----------------------------------------------------------------------7
1.4.1 Picture of the actual object -----------------------------------------------------------7
1.4.2 Features of battery charge------------------------------------------------------------7
1.4.3 Schematic diagram of battery charge------------------------------------------------7
1.4.4 Parameter of battery charge ---------------------------------------------------------8
1.5 Wireless meeting system Lithium battery -------------------------------------------8
1.5.1 Picture of the actual object------------------------------------------------------------8
1.5.2 Features of Lithium battery-----------------------------------------------------------8
1.5.3 Schematic diagram of Lithium battery------------------------------------------------8
1.5.4 Parameter of Lithium battery---------------------------------------------------------9
2. System installation-------------------------------------------------------------------9
2.1 Warning-------------------------------------------------------------------------------9
2.1.1 CAUTION on handling of the microphone unit---------------------------------------10
2.1.2 CAUTION on battery charger handling----------------------------------------------10
2.1.3 CAUTION on battery handing--------------------------------------------------------10
2.2 Identify room layout-----------------------------------------------------------------11
2.2.1 Check coverage area-----------------------------------------------------------------11
2.2.2 System configuration----------------------------------------------------------------11
2.3 Installation and connection of receiver unit-----------------------------------------11
2.3.1 Receiver unit installation------------------------------------------------------------11
2.3.2 Antenna connection------------------------------------------------------------------12
2.3.3 Receiver unit to sound system------------------------------------------------------12
2.3.4 Receiver unit to video processor-----------------------------------------------------13
2.3.5 Receiver unit to external antenna---------------------------------------------------13
2.4 Installation of wireless microphone unit--------------------------------------------13
2.4.1 Mounting and dismounting the battery----------------------------------------------13
2.4.2 Mounting and dismounting the microphone-----------------------------------------14
2.5 System setting-----------------------------------------------------------------------14
2.5.1 Receiver unit setting-----------------------------------------------------------------14
2.5.2 Microphone setting and operation---------------------------------------------------17
2.5.3 USB recording module---------------------------------------------------------------18
3. Troubleshooting----------------------------------------------------------------------20
UHF-300 Wireless Conference System
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Overview
With high flexibility and reliability, our UHF-300 wireless conference system is an ideal
choice for mobile conference systems. It offers simple operation, compact structures. The
wireless conference system can be perfectly integrated into any meeting rooms, without
additional wiring. It’s the best wireless conference solutions for small-scale conferences.
1. System Configuration and description
Wireless meeting system receiver unit UHF-300MC, wireless chairman microphone
UHF-300CU, wireless delegate microphone UHF-300DU, battery charger UHF-300BC, etc.
1.1 System features
Support Mode: Limit (1/2/3/4), FIFO (1/2/3/4), Chairman Only, microphones in one
system up to 256 units, 5 microphones can be turned on at the same time.
Microphones can be operated on either their built-in rechargeable batteries. Battery
life approx. 8 hours during speech and approx. 30 hours when standby.
Wireless communication system eliminates the need of connecting the conference
units. Installation can be done quick and smart without cumbersome arrangements.
Adopt multi-channel high band and intermediate band frequency selective filtering,
fully eliminate interference signal
Built-in feedback eliminating technology which can decrease the feedback and nois
e effectively
Built-in multiple noise detecting circuit and TONE-LOCK system to make sure the
system has strong anti-jamming function
Operation distance up to 100 meters with the best condition, 60 meters in normal
condition.
Support video camera auto-track function with video processor
Built-in recording module to record and play audio
1.2 Wireless meeting system receiver unit UHF-300MC
1.2.1 Picture of the actual object
UHF-300 Wireless Conference System
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1.2.2 Features of wireless meeting system receiver unit UHF-300MC
Support Mode: Limit (1/2/3/4), FIFO (1/2/3/4), Chairman Only
Support video camera auto-track with video processor
160x32 dot matrix LCD display system information
Receiver can control the microphone status when powered off, such as clear or
shutting off all microphones.
Designed accordance to UL, CE and RTTE standards
Built-in USB recording module
Installation: 19-inch frame
1.2.3 Schematic diagram of wireless meeting system receiver unit UHF-300MC
①
Power switch
②
RF/Audio Level indicator ( First channel only for chairman mic, the last four channels
for delegate mic)
③
Volume knob of chairman microphone (Channel 1)
④
Volume knob of delegate microphone (Channel 2)
⑤
Volume knob of delegate microphone (Channel 3)
⑥
Volume knob of delegate microphone (Channel 4)
⑦
Volume knob of delegate microphone (Channel 5)
⑧
Down: Setting key/check channel frequency
⑨
Menu
⑩
Up: Setting key/check channel frequency
11 LCD (Display current mode, frequency point of each channel)
12 Function Key of Recording Module: Four function key of recording module:
PLAY/STOP, PREVIOUS, NEXT, MENU
13
LCD display: To display current work mode of the recording module
14 USB INTERFACE: Be connected to USB drive for record and display the audio
UHF-300 Wireless Conference System
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15 ANT DATA: System data control antenna interface
16 DATA: External video processor connection interface
17 DC Power input
18 MIX OUT: Mixed audio output
19 MIX BAL: Mixed audio balance output
20 ANT B: Delegate mic RF antenna interface
21 ANT B: Delegate mic RF antenna interface
22 ANT A: Chairman mic RF antenna interface
23 Microphone Speaker on/off switch
24 Audio in interface
25 ANT: Microphone speaker audio RF antenna interface
1.2.4 Parameter of wireless meeting system receiver unit UHF-300MC
Items Parameter
Audio channel
Transmission method UHF Wireless (two way)
Audio channel 5 (1 chairman,4 delegate)
Carrier frequency band 610MHz~665MHz
Modulation method FM
Receiving sensitivity -100dBM
Audio gain ≤20
Frequency response 50Hz-15KHz
S/N Ratio
＞
85dB
T.H.D.
＜
0.8%
Data control
channel
Transmission method Wireless (two-way)
Data channel 16
Frequency Range 422.4MHz ~ 438.4MHz
Modulation method FSK
Receiving sensitivity -100dBM
Transmission consumption ≤6dBm
Communication rate 100KBPS
Frequency deviation
＜
0.002
System
Power supply DC12~15V ≥1A
Signal covering range Radius 60 meters
Consumption Rating 7W
Operating temperature range -10-40 degree
Dimensions 485×355×85mm
N.W 7.2kg
UHF-300 Wireless Conference System
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1.3 Wireless meeting system microphone unit UHF-300CU & UHF-300DU
1.3.1 Picture of the actual object
1.3.2 Features of wireless delegate microphone UHF-300DU
Portable table moving and microphone pipe can be pull out. Extended pipe option.
Electric capacity type microphone, equipped with windshield cover
LCD display microphone ID, battery level, microphone state, control channel, etc.
Equipped with microphone on/off key and indicator.
Equipped with 3 function keys to set microphone id, control channel, volume level and
battery status.
Built-in speaker and volume control
Microphone will shut off the power or in standby if receiver powered off.
1.3.3 Features of wireless chairman microphone UHF-300CU
Including the functions of the delegate unit, chairman unit has other following functions:
Chairman microphone can turn on any time.
If the system support video camera auto-track function, chairman microphone ID
number should be 1
Priority function: chairman can turn off delegate microphones by clear key any time
Chairman only mode: Delegate microphone can not be turned on again after
chairman microphone press priority button. The chairman need quit this mode first,
and then delegate microphone can be turned on again
1.3.4 Schematic diagram of wireless microphone
1) Unidirectional electret MIC
2) Annular red indicator lamp to show the microphone state.
3) Mic volume up -/down key
4) Mic volume +/ up key
5) Mute/Set key
UHF-300 Wireless Conference System
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6) MIC ON/OFF key
7) Chairman Priority
8) LCD
9) Microphone power switch
10) Microphone speaker
11) DC Power input jack
12) Phone 3.5mm input jack
13) Inner speaker volume control
1.3.5 Parameter of wireless microphone unit UHF-300CU & UHF-300DU
Items Parameter
Audio channel
Transmission method UHF Wireless (two way)
Audio channel 5 ( 1 chairman, 4 delegate)
Carrier frequency band 610MHz~665MHz
Modulation method FM
Maximum modulation 60KHz
Radiant power ≤+9dBm
Frequency deviation
＜
0.002
Frequency response 50Hz-15KHz
S/N Ratio
＞
85dB
T.H.D.
＜
0.8%
Data control
channel
Transmission method Wireless (two-way)
Data channel 16
Frequency Range 422.4MHz ~ 438.4MHz
Modulation method FSK
Receiving sensitivity -100dBM
Transmission consumption ≤6dBm
Communication rate 100KBPS
Frequency deviation
＜
0.002
System
Power supply DC 12V
Signal covering range Radius 60 meters
Consumption Rating
Standby: ≤360mW
Speaking: ≤630mW
Operating temperature range -10-40 degree
Dimensions 170×58×120mm
N.W 0.7kg
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