BST HTX-28R Bedienungsanleitung
UHF CONFERENCE SYSTEM WITH USB RECORDER
SYSTEME DE CONFERENCE UHF AVEC ENREGISTREUR USB
INSTRUCTION MANUAL • EN • p. 2
MANUEL D‘UTILISATION • FR • p. 17
HTX-28R/C/D/B
CODE: 95-3043 / 95-3036 / 95-3037 / 95-3035
SAFETY RECOMMENDATIONS
CAUTION
DO NOT OPEN THE HOUSING
SHOCK HAZARD
The exclamation point triangle is used to alert the user to important operating or maintenance instruc-
tions
The lightning bolt triangle is used to alert the user to the risk of electric shock
Accordance with the requirements of UK standards
Class I protection: Connect only to an earthed mains outlet
The product is for indoor use only
• This device is only allowed to be operated with an alternating current of max. 110-240V~ 50/60Hz and was
designed for indoor use only.
• This is a wireless communication system, use UHF band carrier frequency. We recommend that users
consult local radio management committee to choose the appropriate and legally available frequency, in
order to avoid RF interference
• If the units demonstrate any problems, such as abnormal sound, smoke, heat from or damage to power
cables, disconnect the power plug from the outlet and contact your sales representative.
• Operate the device only after having familiarized yourself with its functions. Do not permit operation by
person not qualied for operating the device. Most damages are the result of unprofessional operation.
• Please use the original packaging if the device is to be transported.
• For safety reasons, please be aware that all modications on the device are forbidden. Furthermore, any
other operation may lead to short-circuit, burns, electric shock, crash, etc. If this device will be operated in
any way different to the one described in this manual, the product may suffer damages and the guarantee
becomes void.
• To prevent electric shock, do not remove top or bottom covers.
• No user serviceable parts inside.
• Refer servicing to qualied servicing personnel.
• Disconnect power cord before removing back panel cover to access gain switch.
• Uncoil the power cables before use, Do not bundle the cables during use, or e with nails. (Receiver unit,
Battery charger)
• Do not pull on the cable. Hold the plug section and insert/remove it in a straight line, damaged cables may
result in electric shock, malfunction, or re. (Receiver unit, Battery charger)
• No naked ame sources, such as lighted candles, should be placed on the apparatus
• The unit should only be used in moderate climates
• This unit should be cleaned only with a dry cloth. Avoid solvents or other cleaning detergents
• A minimum distance of 0.5m around the unit must be kept to ensure sufcient ventilation and avoid over-
heating
• We strongly recommend the use of high-grade cables and connectors for the transmission of audio sig-
nals. Inferior quality materials cannot supply acceptable audio quality or corrosion protection.
2• HTX-28R
DISCONNECT DEVICE: Where the MAINS plug or an appliance coupler is used as the disconnect device,
the disconnect device shall remain readily operable.
WARNING! To reduce the risk of electric shock, do not expose this equipment to rain or moisture!
Usage restrictions
The product uses a UHF transmission system, that is exclusively reserved for professional use. An ofcial
user license or authorization from local authorities may be required in some countries. Consult the competent
authorities for its use, which remains the sole responsibility of its user (UK – BE – PT – D – NL – LU – GR –
SP – RO).
Overview
With high exibility and reliability, our UHF wireless conference system is an ideal choice for mobile confe-
rence 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
solution for small-scale conferences.
1. System Configuration and description
Wireless meeting system receiver unit, wireless chairman microphone, wireless delegate microphone, bat-
tery charger, etc.
1.1 System features
• Supported Modes: Limit (1/2/3/4), FIFO (1/2/3/4), Chairman Only, microphones in one system up to 999 units
for discussion, 256 unit for video camera tracking, 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 ltering, fully eliminate inter-
ference signal
• Built-in feedback eliminating technology which can decrease the feedback and noise effectively
• Built-in multiple noise detecting circuit and TONE-LOCK system to make sure the system has strong an-
ti-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
• Support Mode: Limit (1/2/3/4), FIFO (1/2/3/4), Chairman Only
• Support video camera auto-track with video processor
HTX-28R • 3
• 160x32 dot matrix LCD display system information
• Receiver can control the microphone status when powered off, such as clear or shutting off all micro-
phones.
• Designed accordance to UL and CE standards
• Built-in USB recording module
• Installation: 19-inch frame
1.2.3 Schematic diagram of wireless meeting system receiver unit
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. Setting key/check channel frequency
9. Menu
10. 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
15. ANT DATA: System data control antenna interface
16. DATA: External video processor connection interface
17. DC Power input
4• HTX-28R
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
Specifications of the Main Unit
Power supply........................................................ 12-15V𝌃1A via 110-240V~50/60Hz mains adaptor
Consumption...........................................................................................................................................7W
Audio channel
Transmission method...................................................................................... UHF Wireless (one 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 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
Range............................................................................................................ 100m in optimal conditions,
............................................................................................................................60m in normal conditions
Dimensions..................................................................................................................... 485 x 355 x 85mm
Weight..................................................................................................................................................... 7kg
CAUTION on handling of the microphones
• Do not grasp the microphone to lift or pull on the microphone unit: pick up the unit by its base
• Slowly bend and straighten the exible part of the microphone. Do not bend it with excessive force
• Do not drop the unit
• If you do not use the unit for long periods of time, remove the battery
• The dedicated lithium-ion battery should be used
• Do not place any obstructions around the microphone units
• When the microphone units are too close together, high sound volume may cause acoustic feedback, In
this case, increase the space between the conference units or turn down the volume
HTX-28R • 5
• After the battery has been removed and replaced, conrm that the power LED turns off
Features of wireless delegate microphone HTX-28D
• Electret condenser microphone tted 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.
• Microphone will shut off the power or in standby if receiver
powered off.
Features of wireless chairman microphone HTX-28C
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 micro-
phones 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 rst, and then
delegate microphone can be turned on again
SCHEMATIC DIAGRAM OF THE MICROPHONES
1. Unidirectional electret MIC
2. Annular red indicator lamp to show the microphone state.
3. Mute/Set key
4. Mic volume +/ up key
5. Mic volume up -/down key
6. MIC ON/OFF key
7. Chairman Priority
8. LCD
9. Microphone power switch
SPECIFICATIONS OF THE MICROPHONES
Frequency range.................................................UHF; Audio: 610-665MHz – Data: 422.4 – 438.4MHz
Power supply..........................................................................................Lipo batteries 3.7V𝌃 1950mAh
Consumption......................................................................................Standby: 360mW; Active: 630mW
Dimensions..................................................................................................................... 170 x 58 x 120mm
Weight.................................................................................................................................................. 0.7kg
6• HTX-28R
BATTERY CHARGER HTX-28B
CAUTION on battery charger handling
• If the charging terminal is dirty, poor contact will prevent the battery from being charged properly. Perio-
dically 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 or remove the batteries
Features of battery charger
1. Input Voltage: AC 110V~220V
2. Charges 16 PCS of lithium battery per charging
3. Intelligent charging management electro circuit to protect the LIP battery
4. Equipped with extendable handle and wheels, easy to move
Schematic diagram of battery charger
1. Wheels
2. Extendable handle
3. Charging status indicator LED
4. Battery holder
5. Power indicator
6. Power on/off switch
7. AC adapter jack (110V-220V~ 50Hz-60Hz)
SPECIFICATIONS OF THE BATTERY CHARGER
Power supply.........................................................................................................110V-240V/50Hz~60Hz
Consumption Rating...........................................................................................................................200W
Charge quantity........................................................................................................................................16
MAX charging current of each unit..............................................................................................700mA
Charging time................................................................................................................ About 8~10 hours
Charging status ........................................... Red LED ashing –Charging, Green LED –Full Charged
Operating temperature range.............................................................................................. 0-40 degree
Dimensions................................................................................................................... 620 x 370 x 175mm
N.W.......................................................................................................................................................... 9kg
WIRELESS MEETING SYSTEM LITHIUM BATTERY
Features of Lithium battery
a. Excellent safety performance, light weight & High capacity ratio.
b. Improved safety: more resistant to overcharge; less change for electrolyte lea-
kage.
c. The battery life is usually approximately 300 charge cycles.
d. Easy to install
HTX-28R • 7
CAUTION on battery handling
• The battery is dedicated to the microphone unit. Do not use it for other applications
• Use only the designated battery charger
• If the battery leaks and the liquid contacts your skin or clothing, immediately ush with clean water
• If the battery leaks and the liquid contacts your eyes, immediately wash thoroughly with clean water and
seek medical assistance
• Do not throw the battery into re or overheat it, Doing so may result in a re
• Do not disassemble or modify the battery
• Do not short-circuit the + and – terminals with any metal or wire. Do not carry or store the battery with
metal products such as a necklace.
• If you discover battery leaks, discoloration, distortion, or the other problems, do not use the battery
• Dispose of used batteries properly as industrial waste or contact our business ofce in your neighborhood
SPECIFICATIONS
Rated voltage................................................................................................................... 3.7V𝌃 1950mAh
Discharge current......................................................................................................................... <500mA
Charging current........................................................................................................................... <700mA
Time of speaking.......................................................................................................................... >8 hours
Time of standby.......................................................................................................................... >24 hours
Charging voltage..................................................................................................................................5V𝌃
Dimensions......................................................................................................................... 47 x 40 x 12mm
N.W.......................................................................................................................................................... 54g
Receiver unit installation
a. Put on the table or install in an 19 inch frame
b. Please keep away from high-power and strong radiation equipment, or it may inuence the equipment
performance.
c. Use it in a well-ventilated area
Antenna connection
There are 4 antennas on a receiver unit: 1 data control antenna (426MHz), 1 chairman microphone audio
control/RF antenna (A: 627.50MHz) and 2 delegate microphone audio control/RF antennae (B: 652.50MHz)
Please note: Receiver antennas should be connected correct position, or system can not work properly.
8• HTX-28R
Receiver unit to sound system
a. Mono output: Please connect MIX OUT interface of receiver unit to input interface of sound equipment by
6.3 audio cable (for short distance)
b. Balance output: Please connect MIX-BAL interface of receiver unit to input interface of sound equipment
by XLR-M balance audio cable ( for long distance)
Receiver unit to video processor
HTX-28R • 9
Please connect DATA interface of receiver unit to DATA interface of video processor by RJ45 network cable.
Please read the user manual of video processor.
Receiver unit to external antenna
If the distance between receiver and microphone is not far, and there does not have any obstruct, antenna
can be connect to the “ANT” interface of receiver unit rear panel directly. If the distance is far or have some
obstruct between them, please connect external antenna to receiver unit.
Please note: coaxial cable should be 50Ω.
INSTALLATION OF WIRELESS MICROPHONE
Mounting the battery
Remove battery cover Install the battery pack Close battery cover
Installation of the battery pack: Remove the battery cover on the bottom of the microphone; insert the battery
in the direction of the arrow to fasten it, and then close the battery cover. Listen for the click sound and make
sure the battery cover is securely xed.
Mounting and dismounting the microphone
Mounting microphone: Insert the microphone into the microphone mounting socket in a straight line, and
then rotate the microphone clockwise to fasten it securely.
Unmounting microphone: Rotate the microphone counterclockwise, then pull the microphone upward to
dismounting
* Please contact us if you need more detailed information during your installation.
10 • HTX-28R
Dieses Handbuch passt für folgende Modelle
7
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