Operating Instructions
Contents
1. IMPORTANT Maintenance Operation Guidelines Avoid excessive heat Do not leave transmitters or portable PA receiver in direct sun for extended periods in front of heaters or any source of high temperature Avoid rough handling Transmitter or portable PA receiver may be damaged if dropped Fully charge portable PA battery Ensure battery is fully charged before placing into storage for long periods Ensure battery is charged once per month thereafter to ensure long life and optimum battery reliability Remove batteries Remove batteries from transmitters when not in use Replace batteries Ensure replacement batteries are the same or equivalent to existing Batteries may explode under charge or unit may malfunction if incorrect batteries are used Battery terminals Ensure battery contacts are clean and free of corrosion before operation If corrosion occurs it could be a sign of faulty batteries Return to your place of purchase if service is required Okayo Portable PA System Table 1 UHF Wireless Channel Guide 640 664MHz Frequency 2 pens s pens ene e er e es a peus m ems s eme s 55 s oer a Tess o Ls pens om T ea s peer oa pens m eos ens p e ens s fen Ter 8 es o 10 6533 26 654 1 42 6536 58 6543 74 653 8 90 65462. pers per e e s per e T e a T e Frequency Combinations 640 664MHz 1 Use 4 channels at the same time 1 19 20 35 36 2 10 57 58 59 3 19 34 36 39 4 20 35 39 69 b 59 75 77 90 6 11 44 45 57 7 07 53 84 87 2 Use 8 channels at the same time 1 06 39 42 45 55 70 89 90 2 17 18 20 33 34 36 37 89 3 01 02 06 37 49 50 70 84 4 02 49 50 52 68 69 71 87 5 34 40 52 57 68 69 81 82 3 Use 12 channels at the same time 1 05 21 49 50 52 58 65 66 75 85 87 91 2 02 17 22 25 26 36 41 42 67 82 86 92 13 Okayo Portable PA System Figure 11 Bluetooth receiver module C 7188 1 Power indicator 2 Bluetooth connectivity indicator 3 Audio frequency indicator 4 ON OFF Volume switch Operation of C 7188 Bluetooth Receiver 1 Turn the knob clockwise to switch on the Bluetooth module Set a mid range volume level to begin 2 You will hear a tone and the PWR indicator LED will light blue The LINK indicator will also flash blue to indicate that the module is ready to pair with another Bluetooth device 3 When in pairing mode activate a Bluetooth connection scan on your smartphone or tablet or similar device that will serve as a source of audio When the search is complete select a device named Portable PA from the pairing list You device will attempt to connect with the Bluetooth module 4 When the devices have successfully paired the module will soun
3. The wireless link module is fitted to the master unit which then transmits any audio signal including wireless mic CD player or wired mic to the slave units which are fitted with a UHF wireless microphone receiver 1 On the master unit turn the power switch volume level control clockwise to turn the transmitter on 2 The LCD screen will display On then revert to the factory default channel or the channel last selected 3 To select a channel press the SET button Using the UP DOWN frequency adjustment buttons you can select the desired channel 4 On the slave unit turn the UHF receiver module on Press SET and use the UP DOWN frequency adjustment buttons to set the unit to the same channel as the master unit 5 When transmitting audio from the master to slave unit the TX indicator will light green The AF indicator displays audio level when users are speaking into the microphone or music is playing Pitch Controls operates with all music file types LO PITCH Pressing this button on the front panel or the remote control reduces the speed pitch by 296 increments Press once and the screen will indicate PITCH 1 Press again for up to 10 steps of speed variation HI PITCH Pressing this button on the front panel or the remote control increases the speed pitch by 296 Press once the screen will indicate PITCH 1 Press again for up to 10 steps of speed variation NOR PITCH Pressing this button on the front panel o
4. combined from all inputs ie UHF CD MP3 player RCA stereo input and wired microphones If an external speaker is required it can be connected to the portable PA system via 6 35mm jack Figure 3 only Vote this feature is designed for 8 ohm minimum impedance speakers Overall amplifier output will be split between both speakers when in use Pressing the voice prioritory VOX button Figure 4 only turns the voice priority on The red LED will illuminate This will mute music output automatically when any microphones are in use 4 Okayo Portable PA System Okayo Portable PA System Figure 5 UHF Wireless Mic Up down frequency adjustment buttons Power switch amp mic level control UHF PLL Module C 7187B 1 LCD screen 2 A B diversity indicator 3 RX audio indicator M ON 4 AF audio level indicator OX B Frequency set button 7 1 2 3 4 b 6 7 1 2 3 4 5 CC f wo C POWER IMPBREPEATI ALI FOLDERSHUFF Y VOLUME H Mo FEL ip HE BHE apes ug i y gt Or nor PLAY SD USB FOLDER FB F F REV F WD Y STORE Y N 7 O Qo OD Qo OQ 6 7 8 9 10 11 12 13 14 15 Figure 6 CD MP3 Player Module 1 USB port 6 Power switch 1
5. system power switch mounted on it see figure 2 This panel is replaced by the C 7189B module Fitting C 7189B Audio Link Transmitter swe00 1 Ensure portable PA is NOT connected mains power Disconnect all input cables 2 Unscrew the blanking panel and disconnect the power cables from the main board 3 Locate switch SW200 on the main board inside and ensure it is set to NORMAL factory default 4 Locate jumpers J201 and J204 on the main board inside Connect the power cable for the wireless link transmitter to J201 and the signal cable to J204 5 Screw unit back together Okayo Portable PA System Okayo Portable PA System Transmitter Operation All portable PA s equipped with a UHF wireless microphone module are compatable with the C 7192B handheld and C 7195B beltpack transmitters All transmitters are sold separately C 7192B Handheld Microphone Transmitter Figure 9 1 Ensure microphone is switched off before inserting batteries 2 Remove lower housing and battery clip Insert two AA batteries alkaline or rechargeable s are recommended 3 Press and hold the power switch for three seconds located on the base of the microphone The power LED will illuminate red and ON will be displayed on the LCD screen Note power switch is more easily accessed with lower housing removed 4 A selection switch on the rear of the microphone provides three level settings mute mid amp high depending on th
6. the full battery icon and all blocks will be displayed Note microphone is unable to be used during charge process 7195B Beltpack Transmitter Figure 10 C 1 Ensure microphone is switched off before inserting batteries 2 Remove battery clip Insert two AA batteries alkaline or rechargeable s are recommended 3 Switch the top mounted power switch to ON The power LED will illuminate red and ON will be displayed on the LCD screen 4 A selection switch on the side of the beltpack provides three level settings low mid amp high depending on the appli cation or environment in which the portable PA is to be used The mute button allows beltpack to be put on standby without switching the power off 5 The LCD screen will display the channel selected To determine which frequency this channel is operating on press the UP or DOWN frequency adjustment buttons 6 Press the frequency set button for two seconds The LCD screen will flash the currently selected channel number You can cycle through the channels by pressing the UP or DOWN frequency adjustment buttons Press the frequency set button again to lock in your channel selection The battery status is displayed on the left of the screen When battery capacity is critical the icon will flash three times before switching the microphone off automatically 8 When using with rechargeable NiMH batteries you can use the C 7196 charging pod This allows you to put up to two beltp
7. 1 Track skip reverse 2 CD slot 7 SD USB source selection 12 Track skip forward 3 LCD screen 8 Folder selection 13 Play pause 4 Hi Norm Lo pitch control 9 Track search reverse 14 Stop eject 5 SD card slot 10 Track search forward 15 Master volume level O CHARGE ree TX AFLEVEL SET 1 2 3 4 5 6 7 8 Figure 7 Audio Link Transmitter C 7189B 1 LCD screen 5 Up down frequency adjustment buttons 2 TX audio indicator 6 Power switch amp mic level control 3 AF audio level indicator 7 Battery charging indicator 4 Frequency set button 8 System power switch Okayo Portable PA System Okayo Portable PA System Wireless Microphone Module Figure 5 The portable PA system can be equipped with one or two UHF microphone modules Each module features 96 selectable channels for interference free operation with multiple microphones or PA systems See page 9 Fitting additional modules for installation guidelines 1 Turn the power switch volume knob clockwise to turn the receiver unit on 2 The LCD screen will display ON then revert to the factory default channel or the channel last selected 3 To select a channel press the SET button Using the UP DOWN frequency adjustment buttons you can set the receiver to match the channel used by the transmitter 4 Adjust the volume
8. DJUSTMENT To adjust slow speed high speed or normal play HIGH To adjust high speed play LOW to adjust slow speed play Each have 10 levels of speed variation Press NOR to return to normal play PROG Can be used to program a selection of songs CD PLAYBACK MODE To play an ordinary CD press PROG key Select the track numbers For 2 digit tracks eg track 23 press keypad numbers 2 and 3 The LCD will display 23 then press ENTER to add to memory The LCD will then display 23 01 meaning track 23 program 1 For track 5 press 5 then ENTER The LCD will display 05 02 Repeat this to program other songs into memory Press play key and the unit will play all of the memorized songs The LCD indicator will display MEMORY and the song numbers it is playing To cancel the memorized songs press PROG key twice MP3 WMA PLAYBACK MODE To select MP3 format press PROG key once select the folder number then press ENTER to confirm then enter the track number and then press ENTER to confirm The display will now show the folder number track number and number of the song programmed For example press 2 for folder 2 then ENTER press 23 for track 23 then ENTER The LCD will display 02 23 01 01 is the first memorized song Repeat this to program other songs into memory Press play key and the unit will play all of the memorized songs The LCD indicator will display MEMORY and the song number it is playing To cancel the memor
9. LE Press M4 dl to select next or previous random track REPEAT CD mode Press REP once to repeat play all tracks The LCD will show REPEAT ALL Press REP again to repeat playing the current track only The display will show REPEAT 1 Press REP again to cancel REPEAT MP3 WMA mode Press REP once to repeat play all tracks The LCD will show REPEAT ALL Press REP again to repeat all songs in the current folder The display will show REPEAT FOLDER Press REP again to repeat play ing the current track only The display will show REPEAT 1 Press REP again to cancel NUMBERS 0 9 Enables track selection via number entered PLAY PAUSE Press once to pause The LCD displays Press again to play and LCD displays gt PREVIOUS TRACK Press I to select previous track NEXT TRACK Press To select next track TRACK SEARCH Press 44 to search through individual tracks Press once to activate Press again to cancel Press to return to normal playback CD USB SD Selects USB SD or CD source for playback Then press to start playing A B This selects a portion of music to be played Whilst in play mode press once for the start point for memorizing music selection Press again for the end point The unit will now begin playing from the start point to the end point The unit will then continually repeat the selection Press again to cancel A B Function MUTE Mutes the music output when pressed Press again to cancel PITCH A
10. Okayo Portable PA System Operating Instructions C 7180 Basic PA C 7182B PA with UHF Wireless Mic Receiver 7184B PA with Wireless Mic Receiver amp The sound option CD Player C 7185B PA with UHF Wireless Mic Receiver CD Player amp VOX Muting C 7192B Wireless Handheld Mic C 7193B Wireless Handheld Condenser Mic C 7195B Beltpack Transmitter This operating guide also includes instructions for the following portable PA accessories C 7187B Additional UHF wireless microphone receiver module C 7189B Wireless link transmitter module C 7196A Beltpack charging pod C 7197A Lapel microphone to suit beltpack transmitter 7198A Headset microphone to suit beltpack transmitter C 7188 Bluetooth module S 5078 Replacement battery 2 9Ah Manufactured for Altronic Distributors Pty Ltd Okayo Portable PA System This compact portable PA system features a sturdy lightweight injection moulded cabinet The system includes a high power 50W RMS amplifier and can be supplied with an MP3 compatible anti skip CD player and up to two wireless microphone receivers The in built amplifier has balanced or unbalanced wired microphone inputs plus line in and line out RCA connections The radio microphone receivers are 96 channel allowing easy selection of non interfering frequencies Each receiver includes individual frequency adjustment and volume control The system is supplied with in built batteries and a charg
11. acks on charge at the same time Charging time is dependant on the capacity of batteries used typically 10 12 hours charging is required If battery icon is flashing when charger is connected ensure rechargeable batter ies are inserted in the microphone If batteries have failed both the battery icon and screen backlight will flash During normal charging the battery icon will cycle through the charge block icons Once full capacity is reached the full battery icon and all blocks will be displayed 10 Okayo Portable PA System Okayo Portable PA System lt 3 1 2 4 5 6 7 8 Figure 9 Handheld UHF Wireless Microphone 7192B 1 Protective screen head 5 Up down frequency adjustment buttons 2 Rubberised body 6 LED power indicator 3 Frequency set button 7 Power switch 4 LCD screen 8 Charging port connection Figure 10 Beltpack UHF Wireless Transmitter C 7195B 2 1 Aerial 2 Mute button top 3 On off switch top 4 Mini XLR 3 Pin input socket top 5 LED power indicator 6 Sensitivity selection switch side 7 8 9 1 3 5mm aux input socket side Frequency set button Up down frequency adjustment buttons 0 Charging jack AE w 10 Transmitter Troubleshooting Power LED does not illuminate after pressing power switch Check batteries are charged and inserted correctly For handheld mic
12. d a prompt tone again The LINK will light steady blue 5 You are now ready to stream audio via the Bluetooth connection from your smartphone or tablet You can adjust the audio volume on your device or using the volume knob on the Bluetooth receiver module 6 The AF indicator will light when an audio signal is streamed from your playback device and received by the Bluetooth module 7 If a phone call is incoming during playback the audio stream will be interrupted for the user to take the call When the call is finished the Bluetooth module will be automatically relinked and audio files will recommence playback from where they were interrupted 8 When a user moves out of range for the Bluetooth connection the audio stream will be severed until the user returns to a location within range of the module The range is about 10 metres However it depends on what kind of operating system is installed on the smartphone or tablet Sometimes it will be necessary to manually reconnect to the Bluetooth following the steps above 14 Distributed by Altronic Distributors Pty Ltd Perth Sydney Melbourne Phone 1300 780 999 Fax 1300 790 999 Internet www altronics com au
13. e application or environment in which the portable PA is to be used Mute setting allows microphone to be put on standby without switching the power off 5 The LCD screen will display the channel selected To determine which frequency this channel is operating on press the UP or DOWN frequency adjustment buttons 6 Press the frequency set button for two seconds The LCD screen will flash the currently selected channel number You can cycle through the channels by pressing the UP or DOWN frequency adjustment buttons Press the frequency set button again to lock in your channel selection 7 The battery status is displayed on the left of the screen When battery capacity is critical the icon will flash three times before switching the microphone off automatically 8 To turn the microphone off press the power switch for three seconds until the LCD screen displays OFF 9 When using with rechargeable NiMH batteries connect a DC 5V plugpack Altronics M 8909A plus M 9187 tip adaptor to the charging port on the base of the microphone Charging time is dependant on the capacity of batteries used typically 10 12 hours charging is required If battery icon is flashing when charger is connected ensure rechargeable batteries are inserted in the microphone If batteries have failed both the battery icon and screen backlight will flash During normal charging the battery icon will cycle through the charge block icons Once full capacity is reached
14. ing facility to provide 3 4 hours continuous use The two way speaker system comprising an 8 inch woofer and high frequency horn ensures excellent sound quality for both music and speech reproduction Weighing only 12kg it is truly portable and allows a wide range of uses in schools places of worship clubs auctions etc Sets up in just seconds for instantaneous use C 7189B Optional wireless link transmitter For larger venues or audiences the addition of this module allows sever al units to be used in the same area without the need for speaker or signal wiring In this application you have a master and as many slave units as required for the venue The wireless link module is fitted to the master unit which then transmits any audio signal including wireless mic CD player or wired mic to the slave units which are fitted with a UHF wireless microphone receiver adjusted to receive the signal from the wireless link C 7187B Optional UHF wireless microphone receiver Installation of this module adds a second wireless micro phone to the Portable PA Operation Power amp Charging Functions The portable PA system is powered by 240V AC mains via IEC socket see figure 2 for location or via the internal bat tery pack When operating for the first time the internal battery will require charging for up to 8 hours Charging will occur whenever the unit is plugged into the 240VAC mains supply The charge status indicator shown in figure 2 will ill
15. ized songs press PROG key CD MP3 Player Display MP3 The display panel shows MP3 when in MP3 mode CD When in CD mode the display panel shows CD PLAY When playing the display panel shows gt PAUSE When paused the display panel shows REPEAT SINGLE TRACK When repeat is selected the display panel shows REPEAT 1 REPEAT ALL TRACKS When all songs on a CD are playing repeatedly the display panel shows REPEAT ALL REPEAT FOLDER When all songs in a folder are playing repeatedly the display panel shows REPEAT FOLDER 8 Okayo Portable PA System Okayo Portable PA System SHUFFLE Selects tracks randomly PROGRAM Will play programmed tracks MEMORY Will play tracks stored in memory A B Repeat playing between A and B 88 In MP3 mode the display will appear with the folder number 888 Displays the current playing track number 88 88 Displays the time for the current track playing Fitting Additional Modules Fitting C 7187B UHF Wireless Microphone Receiver Module 1 Ensure portable PA is NOT connected to mains power Disconnect all input cables 2 Unscrew the half width blanking panel at the top of the rear panel see figure 2 3 Slide the UHF wireless microphone module in ensuring the board slots into the connector at the rear of the empty expansion bay 4 Screw the module into the rear panel Internal Layout Of Portable PA Input Output Board All PA models feature a blanking panel with the
16. le PA Amplifier with UHF Wireless Mic Reciever and CD Player C 7185B Vox Priority Attack Time Vox Priority Release Time 1ms Vox Priority lt 26dB Beltpack Transmitter C 7195B Mic Insert RF Output Spurious Emission 250mW Audio Input AF Controls Battery 1 2V NiMH rechargeable x 2 or 1 5V Alkaline x 2 Operating Life fully charged 11 hrs NiMH or 14 hrs Alkaline Dimensions 88 x 64 x 24mm Weight with batteries Handheld Transmitter C 7192B Mic Insert RF Output es SPUMIOUS EMISSION nice i ree tige AF Controls Hi lo mute switch Battery 1 2V NiMH rechargeable x 2 or 1 5V Alkaline x 2 Operating Life fully charged 11 hrs NiMH or 14 hrs Alkaline Dimensions 460 x 264mm Weight with batteries Okayo Portable PA System Audio Link Transmitter Module C 7189B RF Output Spurious Emission Antenna Dimensions Weight UHF Wireless Receiver Module le C 71878 Antenna Mode T Spurious Rejection E 70dB Adjacent Channel Performance Antenna Dimensions pes WGI IE M Overall System Frequency Range PLL synthesised control 640 664MHz 96 channels Switching Bandwidth Dynamic Range THD acie Frequency Response wireless Operating
17. level to the desired position 5 The module is now ready to receive signal from either a handheld of beltpack transmitter When receiving signal the A B diversity indicator will illuminate red or green to show the diversity status The RX indicator will illuminate when signal from the transmitters is being received The AF indicator displays audio level when users are speaking into the microphone CD MP3 Player C 7184B Model Only Figure 6 1 Turn the rocker switch on and press power button to turn on 2 Press the SD USB CD switch to change between CD USB or SD MMC source 3 To playback or pause press PLAY PAUSE on the front panel or II on the remote control 4 Press REV F WD on the front panel or M4 on the remote control for desired next or previous track number The player will continue to play while displaying selected tracks When the desired selected track is displayed press play pause button again to begin playing the selected track 5 To stop playback press STOP EJECT on the front panel or press once on the remote control 6 Press FB FF on the front panel or on the remote to scan forward or backward within a track Audio Link Transmitter C 7189B Figure 7 For larger venues or audiences the addition of this module allows several units to be used in the same area without the need for speaker or signal wiring In this application you have a master and as many slave units as required for the venue
18. n the remote control to start playing Press FOLDER on the front panel or remote control to select the desired folder directory USB flash Insert USB into the USB slot on the front panel Press SD USB CD or SD USB CD on the remote control until USB is selected Press PLAY PAUSE or on the remote control to start playing Press FOLDER on the front panel or remote control to select the desired folder directory Figure 8 CD MP3 USB Player Remote Control Yon 1 HIGH NOR LOW pitch controls 1 Low NOR T 15 2 0 9 Track programming and selection SSS 3 FOLDER Choose track directory MP3 only BR 14 4 44 Track search reverse forward 2 R 13 5 CD USB SD source selection 6 A gt B replays a section of track 12 7 ENTER Track programming enter button 11 8 Muting 3 gt 10 9 I MTrack skip reverse forward 10 Play pause DIIS Det 9 11 M Stop playback 5 S APB K 12 REP Repeat repeat all function TEM 13 RAN Random or shuffle playback mode 6 7 14 PROG Track programming mode 15 EJECT CD player eject Okayo Portable PA System Okayo Portable PA System Remote Functions C 7184B Model Only Figure 8 RANDOM RAN A random selection is played from available tracks Press RAN and LCD will show SHUFF
19. r the remote control resets the pitch to zero ie normal speed Okayo Portable PA System Okayo Portable PA System CD Playback Insert a disc into the slot with the data side facing down and playback starts automatically Track number and playing time will be displayed on display panel When inserting a disk into the CD player or taking a disc out it is necessary to let the CD player insert the disk and return automatically Do not force the disc in or out of the disc slot as this may cause serious damage to the unit The LCD DISPLAY shows CD status including track number and playing time Press STOP EJECT on the front panel once to stop playback Press STOP EJECT again and the display will show total track numbers and total time Press STOP EJECT for the 3rd time and the disc will eject Press STOP EJECT a fourth time and the disc will be inserted again For CD with MP3 WMA files Press FOLDER on the front panel or remote to select the desired folder directory SD MMC Card Insert SD Card or MMC Card into the SD MMC CARD slot on the front panel Push the card into the slot until it clicks into the slot When taking the card out ensure that you hear it click that releases the card and then remove Do not use force to pull the card out as this may cause damage to the card or the unit Press SD USB CD or SD USB CD on the remote control to select the SD MMC function then press PLAY PAUSE or o
20. rophone when pressing power switch ensure you hold it down for three seconds LCD shows Err when switching off Contact your place of purchase for information on resetting your transmitter LCD panel displays garbled information Remove batteries and re insert them No sound output Check frequency of transmitter is the same as the portable PA receiver Check volume level of both transmitter and portable PA receiver For beltpack transmitter ensure mute button is not activated Ensure transmitter is within range of the receiver Check for sources of interference large metal objects etc within range of the transmitter Signal disturbance When operating two transmitters in the same area ensure frequencies selected are several channels apart This helps to reduce crosstalk between transmitters Also note that other wireless devices can cause interference ensure you adjust your frequency around these devices where possible 11 Okayo Portable PA System Specfications Portable PA Amplifier Sensitivity Maximum SPL Frequency Response Output Power Signal to Noise Ratio 112dB 20Hz to 20kHz XLR pin 6 35mm TRS stereo RCA Stereo RCA line out Speaker out 6 35mm 8 ohm EINST Master volume bass treble line volume wired mic volume 264V AC 32V DC switching power supply Battery es Operating Life fully charged Charging Time Dimensions Weight Portab
21. rtable PA System QQOQO 140 MIN MASTER TREBLE BASS LINEIN LINE OUT Figure 3 Level Adjustment amp Input Output Module Models C 7180 C 7182B and C 7184B 1 Master volume level 5 RCA stereo line input 2 Treble level 6 RCA stereo line output 3 Bass level 7 XLR 6 35mm TRS wired mic input 4 Wired mic volume level 8 Speaker out 8 Ohm 8 9 10 VOICE PRIORITY 3 MIN M E 10 MASTER TREBLE BASS MIC LINE OUT LINEIN VOL MIC IN Figure 4 Level Adjustment amp Input Output Module Models C 7185B 1 Master volume level 6 RCA stereo line input 2 Treble level 7 Line input volume control 3 Bass level 8 XLR 6 35mm TRS wired mic input 4 Wired mic volume level 9 Voice priority VOX indicator LED 5 RCA stereo line output 10 Voice priority VOX button Level Adjustments and Input Output Connection Figures 3 and Figure 4 System inputs outputs and levels can be controlled via this module Master volume adjusts overall system level from all inputs ie UHF CD MP3 player RCA stereo input and wired microphones Treble and bass controls effect all sys tem inputs when set to half way sound output will be flat RCA stereo jacks are provided for an external audio source This allows connection of a CD player iPod or other audio source An RCA output is provided for use with external zone amplifiers or other PA systems if required This output signal is
22. uminate red when charging Once charging is complete the indicator will illuminate green When in use without mains power the LED built into the power switch provides indication of battery status 100 to 20 capacity red illumination lt 20 capacity flashing red illumination Okayo Portable PA System Figure 1 Front 1 Handle 2 Horn Tweeter 3 Woofer 4 Speaker Grill 5 Port 6 Heatsink Figure 2 Rear shown configured with 2 x UHF wireless microphones amp CD player 1 UHF receiver modules blanking panels fitted in base models 2 CD MP3 player 3 Power switch amp charge indicator this panel is replaced when adding a wireless link or digital echo module 4 Mic treble bass and master level controls 5 Speaker out 8Q except model C 7185B 6 Mic input 6 35mm 3 pin XLR 7 RCA line in out 8 240V AC input Okayo Portable PA System Okayo Po
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