HPA SC-2288R User manual

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SC-2288R/D/C/CG8
USER MANUAL
MODE D’EMPLOI
WIRELESS MEETING SYSTEM
SYSTEME DE CONFERENCE SANS-FILS

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English
[Table of Contents]
Overview
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 -----------------------------------------------------------4
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---------------------------------------------------18
3. Troubleshooting----------------------------------------------------------------------19
FRANCAIS-----------------------------------------------------------------------------20

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Overview
With high flexibility and reliability, our UHF 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, wireless chairman microphone , wireless delegate microphone ,
battery charger , 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 noise 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
1.2 Wireless meeting system receiver unit SC-2288R
1.2.1 Picture of the actual object
1.2.2 Features of 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
160x32 dot matrix LCD display system information
Receiver can control the microphone status when powered off, such as clear or shutting off all

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microphones.
Designed accordance to CE and RED standards
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) ANT DATA: System data control antenna interface
13) DATA: External video processor connection interface
14) DC Power input
15) MIX OUT: Mixed audio output
16) MIX BAL: Mixed audio balance output
17) ANT B: Delegate mic RF antenna interface
18) ANT B: Delegate mic RF antenna interface
19) ANT A: Chairman mic RF antenna interface

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1.2.4 Parameter of wireless meeting system receiver unit
Items
Parameter
Audio channel
Transmission method
UHF Wireless (one way)
Audio channel
5 (1 chairman,4 delegate)
Carrier frequency band
610.00MHz~659.75MHz
740.00MHz ~ 790.00MHz
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
7kg

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1.3 Wireless meeting system microphone unit
1.3.1 Picture of the actual object
1.3.2 Features of wireless delegate microphone (SC-2288D)
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.
Microphone will shut off the power or in standby if receiver powered off.
1.3.3 Features of wireless chairman microphone (SC-2288C)
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 cannot 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) Mute/Set key
4) Mic volume +/ up key

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5) Mic volume up -/down key
6) MIC ON/OFF key
7) Chairman Priority
8) LCD
9) Microphone power switch
1.3.5 Parameter of wireless meeting system microphone unit
Items
Parameter
Audio channel
Transmission method
UHF Wireless (one way)
Audio channel
5 ( 1 chairman, 4 delegate)
Carrier frequency band
610.00MHz~659.75MHz
740.00MHz ~ 790.00MHz
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
DC3.7~4.5V
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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1.4 Battery charger
1.4.1 Picture of the charger SC-2288CG8
1.4.2 Features of battery charger
a. Input Voltage: AC 110V~220V
b. Charges 8 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 of battery charger
1) Pulley
2) Extendable handle
3) Charging status indicator LED
4) Battery holder
5) Power indicator
6) Power on/off switch
7) AC adapter jack (AC110V-220V～50Hz-60Hz)

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1.4.4 Parameter of battery charger SC-2288CG8
Items
Parameter
Power supply
110V-240V/50Hz~60Hz
Consumption Rating
200W
Charge quantity
8
MAX charging current of each
unit
700mA
Charging time
About 8~10 hours
Charging status
Red LED flashing –Charging, Green LED –Full
Charged
Operating temperature range
0-40 degree
Dimensions
620×370×175mm
N.W
9kg
1.5 Wireless meeting system Lithium battery
1.5.1 Picture of the actual object
1.5.2 Features of Lithium battery
a. Excellent safety performance, lightweight & High capacity ratio.
b. Improved safety: more resistant to overcharge; less change for electrolyte leakage.
c. The battery life is usually approximately 300 charge cycles.
d. Easy to install
1.5.3 Schematic diagram of Lithium battery

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1) Battery detach/lock button
2) Negative
3) Positive
1.5.4 Parameter of Lithium battery
Items
Parameter
Rated voltage
DC3.7V
Discharge current
＜500mA
Charging current
＜700mA
Time of speaking
＞8 hours
Time of standby
＞24 hours
Charging voltage
DC5V
Dimensions
47×40×12mm
N.W
54g
2. System installation
2.1 Warning
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.
If the power plug blades are distorted or discolored, do not use the unit
(Receiver unit, Battery charger)
Uncoil the power cables before use, Do not bundle the cables during use, or fie 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 fire.
(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 locations with poor ventilation.
Doing so traps heat, and may result in electric shock or fire
If you do not use the units for long periods of time, disconnect the power plugs from the outlet
(Receiver unit, Battery charger)
Do not disassemble the units. Touching the inside of the units may result in electric shock
Do not expose the units to any strong shock
Do not expose the units to direct sunlight, heat from heating appliances, high temperatures, or
dust
Do not expose the units to high humidity or moisture
Water that accidentally enters the inside of the units may result in electric shock, malfunction, or
fire
Do not touch the power cables or plugs with wet band
(Receiver unit, Battery charger)
Main unit is a class I device. Be certain to connect to an AC outlet with a protective grounding
connection
Main unit can be separated from the AC receptacle by turning off the unit by the front power switch.
In case of emergency, turn off this switch or unplug the power cable from the AC receptacle

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2.1.1 CAUTION on handling of the microphone unit
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 flexible 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
After the battery has been removed and replaced, confirm that the power LED turns off
2.1.2 CAUTION on battery charger handling
If the charging terminal is dirty, poor contact will prevent the battery from being charged 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 or remove the batteries
2.1.3 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 flush 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 fire or overheat it, Doing so may result in a fire
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 office in your
neighborhood
2.2 Identify room layout
2.2.1 Check coverage area
Real coverage area of conference room (usually coverage area of conference room is smaller than the
conference room area)

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2.2.2 System configuration
Description
Model No.
Max Qty
Marks
Receiver Unit
1
Chairman Microphone
1
Delegate Microphone
≤255
Data Control Antenna
1
Audio Control Antenna
3
Battery Charger
LIP Battery
2.3 Installation and connection of receiver unit
2.3.1 Receiver unit installation
a. Put on the table or install in 19 inch frame
b. Please keep away from high-power and strong radiation equipments, or it may influence the
equipment performance.
c. Use it in a well-ventilated area
2.3.2 Antenna connection
There are 4 antennas of receiver unit. 1 piece data control antenna (426MHz), 1 piece chairman
microphone audio control/RF antenna (A: 750MHz) and 2 pieces delegate microphone audio control/RF
antenna (B: 780MHz)

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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 interface of receiver unit to input interface of sound
equipment by Φ6.3 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)
2.3.4 Receiver unit to video processor
Please connect DATA interface of receiver unit to DATA interface of video processor by RJ45 network

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cable. Please read the user manual of video processor.
2.3.5 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 connected 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.
2.4 Installation of wireless microphone unit
2.4.1 Mounting the battery
Take out battery cover Mounting battery Mounting battery cover
Mounting battery: Take out the battery cover on the bottom side of the microphone unit; insert the
battery in the direction of the arrow to fasten it, and then mounting the battery cover, listen for the click
sound and make sure the battery cover is securely fixed.
2.4.2 Mounting and dismounting the microphone
a. Mounting microphone: Insert the microphone into the microphone mounting socket in a straight
line, and then rotate the microphone clockwise to fasten it securely.
b. Dismounting microphone: Rotate the microphone counterclockwise, then pull the microphone
upward to dismounting
* Please contact us if you need more detailed information during your installation.
2.5 System setting
2.5.1 Receiver unit setting

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a. POWER ON/POWER OFF
POWER ON: Hold the “POWER”button on the left front panel of receiver till LCD display
““and then release it LCD will display ““, after system self-detecting LCD
will display ““
POWER OFF: Hold the “POWER”button on the left front panel of receiver till LCD display
““, receiver unit will powered off and all microphones in standby status when released
the button. If still hold the button, LCD will display ““, both receiver and microphones
are powered off at the same time.
a. System function key: There are 3 function keys on receiver unit
DOWN SET UP
b. System mode setting:
System default mode: CFREE-4MAX-FIFO
System support 10 modes setting by receiver unit (FIFO 1/2/3/4, LIMIT 1/2/3/4, CONLY, CFREE),
user can set these modes by UP &DOWN key. System will save and keep the last setting mode in
3 seconds automatically or press SET key to save the mode immediately.
C.ONLY: When chairman microphone priority button was press on, the chairman microphone is
turn on while the delegate microphone being turn off until the priority button is released, or
delegate microphone cannot turn on again.
Mode setting method: Press SET key one or several times till “CFREE”character flashing, press
DOWN, the flashing character will change to CONLY (press UP the flashing character will change
to CFREE), and then press SET to save it or wait about 3 seconds the system will save the mode
automatically, characters will stop flashing.
C.FREE: When chairman microphone priority button was press on, the chairman microphone is
turn on while the delegate microphone being turn off, but delegate microphone can be turned on
again even chairman microphone not released priority button.
Mode setting method: please see C.ONLY setting method
1MAX-LIMIT: System only allowed 1 piece delegate microphone turned on at the same time, if
other delegate microphones want turn on, user should turn off that microphone first.
Number setting method: Press SET key one or several times till “4MAX”character flashing, press
DOWN or UP key till the flashing character change to 1MAX, and then press SET to save it or wait
about 3 seconds the system will save the setting automatically, characters will stop flashing
Mode setting method: Press SET key one or several times till “FIFO”character flashing, press UP
key, the flashing character change to LIMIT (press DOWN the flashing character will change back
to FIFO), and then press SET to save it or wait about 3 seconds the system will save the setting
automatically, characters will stop flashing.
2MAX-LIMIT: System only allowed 2 pieces delegate microphones turned on at the same time, if
other delegate microphones want turn on, user should turn off 1 or 2 microphones first.
Setting method: please see 1MAX-LIMIT setting method
3MAX-LIMIT: System only allowed 3 pieces delegate microphones turned on at the same time, if
other delegate microphones want turn on, user should turn off 1, 2 or 3 microphones first.
Setting method: please see 1MAX-LIMIT setting method

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4MAX-LIMIT: System only allowed 4 pieces delegate microphones turned on at the same time, if
other delegate microphones want turn on, user should turn off 1, 2, 3 or 4 microphones first.
Setting method: 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 microphone automatically.
First in, first out, first indicate, first offer.
Setting method: please see 1MAX-LIMIT setting method
2MAX-FIFO: System only allowed 2 piece delegate microphones turned on at the same time, if
other delegate microphone turns on, system will turn off the first on microphone automatically.
Setting method: please see 1MAX-LIMIT setting method
3MAX-FIFO: System only allowed 3 piece delegate microphones turned on at the same time, if
other delegate microphone turns on, system will turn off the first on microphone automatically.
Setting method: please see 1MAX-LIMIT setting method
4MAX-FIFO: System only allowed 4 piece delegate microphones turned on at the same time, if
other delegate microphone turns on, system will turn off the first on microphone automatically.
Setting method: please see 1MAX-LIMIT setting method
Please note: Chairman microphone is not limit in these mode, chairman microphone can be turned
on and off independently.
c. System audio channel setting
System default audio channel: 40[05-35-65-95]
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 740MHz -- 764.75MHz (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 765MHz -- 789.75MHz (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 0"), 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

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(data channel) in order to avoid interface. If other equipment 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 microphones' FM
high frequency signals. Default sort order is D1, D2, D3, D4. If there is some problem of D1,
then system microphone can not turn on/off properly, user can set this channel not available,
then receiver LNB default sort order is D2, D3, D4, and only support 3 delegate microphones
working at the same time maximum. This setting just for urgently situation, please contact
local agent or us to get the solution.
Hold and press SET key/press POWER key till LCD display to exit the project
setting.
f. System lock & unlock
Lock setting method: Press and hold the SET key first, and press UP key at the same time,
system LCD will display
Unlock setting method: Press and hold the SET key first, and press DOWN key at the same time,
system LCD will display
Please note if the system locked, the function keys on the receiver panel are not available to use for
setting.
g. Checking system audio and data channel
User can check the system audio and data (Room) channel by UP and DOWN key
User can check the chairman microphone (C) and delegate microphones ( D1, D2, D3, D4) audio
channel, data (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) if user save the setting.
If the system can work properly after testing, we strongly recommend user to lock the system
setting.
2.5.2. Microphone setting & operation
There are 3 function keys on microphone unit (Include chairman microphone):
POWER, ON/OFF, PRIOR, VOL-, VOL +, MUTE
a. Microphone function key description:
POWER: Press this key to power on or power off the microphone
ON/OFF: Microphone will on/off in correct communication mode (If the microphone data channel is
different from receiver data channel, user cannot turn on the microphone.
PRIOR: Chairman microphone priority key, it can turn off all delegate microphone with this key.
VOL-: Decrease the volume level of microphone
VOL+: Increase the volume level of microphone
MUTE: Prevention on speaker's cough
b. Microphone project setting
Press MUTE key and turn on the microphone with POWER key at the same time, microphone will enter
project setting. There are four setting in this part.
Microphone data (room) channel setting (Default channel is "ROOM 0"), 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 VOL - and
VOL + key, and press MUTE to save the setting, Microphone will switch to next setting part
automatically. User can see receiver data channel setting for reference.
Microphone ID setting: Chairman microphone ID number can be set from 0-9, A-F total 16 ID for

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option, delegate microphone ID number can be set from 0-255, total 156 ID for option. User can
select the ID by VOL - and VOL + key, and press MUTE to save the setting, Microphone will switch
to next setting part automatically.
Please note: All microphone ID in one system should be different, if any units have the same ID
number, the system will not work properly. If system connect video processor to support video
camera auto-track function, chairman microphone ID should be 1.
Chime of chairman microphone: When chairman microphone turned on, system will give a chime
indicative sound. User can press VOL - to close this function and press VOL + to open 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
communicate with receiver unit, and user can set the microphone audio channel (when
microphone is off, press MUTE key, audio channel number will flash, user can press VOL - and
VOL + key to select the audio channel), FREE mode just used for testing. In LINK mode,
microphone must work and communicate with receiver unit, or microphone cannot turn on,
microphone audio channel was distributed by receiver unit.
Exit microphone project setting: Press microphone on or POWER key to exit, if there is no action of
the microphone will exit the setting in 9 secs.

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3. Troubleshooting
Situation
Check
Solutions
The microphone unit shut off
automatically
★Check the battery capacity
★The batteries must be
charged before initial use
★Charge before use
The receiver unit is not turn
on.
★Is power plug inserted into
the outlet?
★Insert power plug into the
outlet
Microphone can not turned
on properly
★Is the correct data channel
number set
★Is the receiver antenna
installed correct
★Is there any obstruction
between the microphone
unit and receiver, or the
distance between the
microphone and receiver is
too far.
★Is any inference of the
frequency
★Receiver and microphone
data channel should be
same
★Install the antenna in
correct position.
★Install externed antenna or
antenna amplifier
★Set the new data channel
and audio channel.
More than 1 microphone
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 microphone unit battery
can not be charged.
★The charging lamp does
not light
★The charging lamp is
flashing
★Charging does not
complete after 12 hours
★Are the charging terminals
dirty?
★Has the battery been left for
a long time after charging?
★Can other batteries be
charged?
★Clean the charging
terminals
★Replace it with new one
*1. The battery life is usually approximately 300 charge cycles.
*2. If battery capacity display in microphone LCD is flash ,it means that battery capacity is low, user should
turn off that mic and charge the battery.
*3. Take out the battery if the microphone will not use for a long time.

20
DESCRIPTION DU RECEPTEUR
FRANCAIS
 Mode de fonctionnement : Limité (1/2/3/4), FIFO (1/2/3/4), Président uniquement
 Fonction de recherche automatique via processeur vidéo externe (en option)
 Afficheur LCD 160x32 points
 Le récepteur contrôle l’état des pupitres à l’extinction
 Norme UL, CE et RTTE
 Rack 19’’ / 2U
1. INTERRUPTEUR ON/OFF
Lorsque vous appuyez sur ce bouton, vous mettez en marche l’appareil. Pour éteindre l’appareil, il
faut appuyer une nouvelle fois sur ce bouton.
2. INDICATEUR RF / AF
La led RF s’allume lorsque le pupitre correspondant est allumé (Voyant RF de la voie C si le pupitre
président est allumé, Voyant RF de la voie D1 si le pupitre délégué 1 est allumé, Voyant RF de la voie
D2 si le pupitre délégué 2 est allumé,… )
Les indicateurs AF vous donnent une indication visuelle du niveau du signal de chaque voie. Si le
voyant peak s’allume, cela signifie que le volume est trop fort. Diminuez alors le niveau en utilisant le
réglage de volume correspondant.
3. RÉGLAGE VOLUME VOIE PRÉSIDENT
Ce réglage permet d’ajuster le volume du signal provenant du pupitre président
4. RÉGLAGE VOLUME VOIE DELEGUE 1
Ce réglage permet d’ajuster le volume du signal provenant du pupitre délégué 1
5. RÉGLAGE VOLUME VOIE DELEGUE 2
Ce réglage permet d’ajuster le volume du signal provenant du pupitre délégué 2
6. RÉGLAGE VOLUME VOIE DELEGUE 3
Ce réglage permet d’ajuster le volume du signal provenant du pupitre délégué 3
7. RÉGLAGE VOLUME VOIE DELEGUE 4
Ce réglage permet d’ajuster le volume du signal provenant du pupitre délégué 4
CARACTERISTIQUE RECEPTEUR SC-2288R