CMX UHF-300 Operation Manual Download Page 17

UHF-300 Wireless Conference System 

  16 

 

Chairman microphone audio channel 

 

Manual setting: Press 

SET 

key one or several times till “

40

” character flashing, 

press 

DOWN 

or

 UP

 key to select the channel, and then press

 SET 

to save it or 

wait about 3 seconds the system will save the setting automatically, characters 

will stop flashing 

 

Auto-scan setting: Press 

SET 

key one or several times till “

40

” character flashing, 

and then press and hold the 

SET

 key till LCD display symbol 

---

, release the key, 

system will scan all audio channel (00-99) automatically and select the best one 

to save it. 

 

Chairman microphone audio description: Bandwidth of chairman microphone is 

25M; default setting is 610.00MHz -- 634.75MHz (Please contact us or agent to 

get  more  information  if  user  want  choose  other  frequency  for  chairman 

microphone).  There  are  100  channels  for  option  in  this  bandwidth,  frequency 

interval is 250 KHz. 

 

 

Delegate microphone (D1, D2, D3, D4) audio channel 

 

Channel setting method: please see chairman microphone audio channel setting 

method. 

 

Delegate  microphone  audio  description:  Bandwidth  of  delegate  microphone  is 

25M, default setting is 640.00MHz -- 664.75MHz (Please contact us or agent to 

get  more  information  if  user  want  choose  other  frequency  for  delegate 

microphone).  There  are  100  channels  for  option  in  this  bandwidth,  frequency 

interval is 250 KHz. 

 

Please note there are 4 audio channel of the delegate microphone in the system, 

so the channel number can not be same. 

 

d.

 

System project setting 

Press 

SET 

key and turn on the receiver with 

POWER

 key at the same time, receiver LCD 

will display                          , there are 4 setting menu in this part. 

 

Receiver data (room) channel setting (Default channel is "

ROOM 1

"), there are 16 

data (room) channel for option (0-1-2-3-4-5-6-7-8-9-A-B-C-D-E-F), user can select 

the channel by 

UP

 and 

DOWN

 key, and press 

SET

 to save the setting, receiver will 

switch to next setting part automatically. This system use room number to show the 

data  control  channel,  if  there  are  more  than  1  system  used  in  the  same  place  or 

building, we suggest user to set different room number (data channel) in order to 

avoid interface. If other equipments has same frequency of the data channel, use also 

can change it. 

 

Delegate microphone audio channel: the receiver will switch to delegate microphone 

audio  channel  setting  automatically  after  user  save  the  setting  of  receiver  data 

channel. 

 

0---Audio channel not available, 1---Audio channel not available. 

 

Setting method of Channel 1: Press 

DOWN

 key to close this channel and press 

UP 

key to open this channel, press 

SET

 key to save the setting and receiver will 

switch to next setting part automatically. 

 

Setting method of channel 2, 3, 4: Please see the setting of channel 1. 

 

Description  of  this  setting:  Receiver  use  4  channel  LNB  to  support  4  delegate 

Summary of Contents for UHF-300

Page 1: ...UHF 300 WIRELESS CONFERENCE SYSTEM Version REV1 0 2017 OPERATION MANUAL...

Page 2: ...rameter 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 Pa...

Page 3: ...e 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 elimina...

Page 4: ...300MC Power switch RF Audio Level indicator First channel only for chairman mic the last four channels for delegate mic Volume knob of chairman microphone Channel 1 Volume knob of delegate microphone...

Page 5: ...ystem 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 Rec...

Page 6: ...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 C...

Page 7: ...y 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...

Page 8: ...6 PCS of lithium battery per charging c Intelligent charging management electro circuit to protect the LIP battery d Equipped with extendable handle and pulley easy for moving 1 4 3 Schematic diagram...

Page 9: ...eless meeting system LIP battery UHF 300LB 1 5 1 Picture of the actual object 1 5 2 Features of Lithium battery UHF 300LB a Excellent safety performance light weight High capacity ratio b Improved saf...

Page 10: ...e Receiver unit Battery charger Do not place anything on the power cables Do not route them under a rug or furniture Receiver unit Battery charger Do not cover the units with cloth or place them in lo...

Page 11: ...d properly Periodically clean the charging terminals The battery charger may become hot during charging Use it in a well ventilated area After the battery is fully charged turn off the battery charger...

Page 12: ...ption Model No Max Qty Marks Receiver Unit 1 Chairman Microphone 1 Delegate Microphone 999 Data Control Antenna 1 Audio Control Antenna 3 Battery Charger LIP Battery 2 3 Installation and connection of...

Page 13: ...RF antenna B 652 50MHz Please note Receiver antennas should be connected correct position or system can not work properly 2 3 3 Receiver unit to sound system a Mono output Please connect MIX OUT inter...

Page 14: ...ver unit Please note coaxial cable should be 50 2 4 Installation of wireless microphone unit 2 4 1 Mounting the battery a Mounting battery Put the battery on the bottom side of the microphone unit sli...

Page 15: ...he chairman microphone is turn on while the delegate microphone being turn off until the priority button is released or delegate microphone can not turn on again Mode setting method Press SET key one...

Page 16: ...d please see 1MAX LIMIT setting method 1MAX FIFO System only allowed 1 piece delegate microphones turned on at the same time if other delegate microphone turns on system will turn off the first on mic...

Page 17: ...n in this bandwidth frequency interval is 250 KHz Please note there are 4 audio channel of the delegate microphone in the system so the channel number can not be same d System project setting Press SE...

Page 18: ...a room channel frequency point even the system locked We recommend user to use auto scan function if any interference in each channels System will shut off all microphones include chairman microphone...

Page 19: ...this function Microphone working mode Default mode is LINK User can press VOL switch to FREE mode and press VOL switch to LINK mode In Free mode microphone can be tuned on off any time with communica...

Page 20: ...ecording press to exit recording and play the record file automatically The record file will save in the folder named Record the file format is mp3 Bluetooth In this interface user can use other Bluet...

Page 21: ...rophone turned on off at the same time Is the microphone ID number same Set the ID number again Operating time of the microphone unit battery is short The battery is dying 1 Purchase a new battery The...

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