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Maintenance

DO NOT put the unit in the sunshine for a long time, or any other hot, humid
environments  or  places  with  flame.  Stay  away  from  any  occasions  where 
situation  mentioned  above  might  occur.  Store  the  unit  in  general  indoor
temperature or in cool circumstance.

Avoid heat, humidity

Charge BEFORE you start using for the fist time

After unpacking the unit for the first time, please charge the unit for about
8  hours.  This  is  absolutely  necessary  as  the  built-in  rechargeable  battery
might have been discharged naturally due to long transportation and storage
time, even though it has been fully charged in the factory prior to shipment.
To  secure  a  longer  life  for  battery,  please  MUST  execute  this  IMPORTANT
process.

Charge fully

Ensure battery is fully charged BEFORE you store the unit. To remain a longer 
battery  life  and  better  performance,  make  sure  you  charge  the  battery 
regularly every month.

When you need to use the unit again after a long period of stogare,make
sure you charge if fully for at least 8 hours BEFORE any operation.
Please also charge this unit every time right after operation to secure a
longer battery life.

This  unit  has  DOD  (depth  of  discharge)  protection  design.  When  Power
Switch LED flashes red - which means there isn’t enough electricity (when
operating  via  the  battery’s  power  -  this  unit  will  turn  off  automatically  in 
a short time secure battery from deep-discharging damage. At this moment 
please immediately recharge your unit, do not continue with operation.

This unit has protection circuit against overcharge. The circuit will stop charging 
when battery is fully charged even power cord is plugged. 

Useful hint: You can still operate during charging.

Replacing battery

Make sure the substitute battery is in compliance with qualified specifications. 
Using incorrect battery may lead to explosion or malfunction.

Summary of Contents for GPA-650B

Page 1: ...User Manual UHF 40W Wireless Portable Bluetooth Sound System GPA 650B Lead Acid battery powered GPA 660B Ni MH battery powered GPA 670B Lithium battery powered System Family ...

Page 2: ...before you r use to perform this unit well All peripheral and accessories are subject to order Components in the package might be different by demand Contents Product mix 1 Illustration 2 Peripheral 3 Controls and operation 4 Wireless receiver DR 501A 5 Digital audio player UM 502 6 7 Handheld microphone EJ 501TM 8 9 Pendant Bodypack transmitter EJ 5T 10 12 Troubleshooting 13 Maintenance 14 15 Spe...

Page 3: ... player The available mix are presented as below Portable Powered Speaker GPA 6X0B GPA 6X0BU GPA 6X0BW1 Wireless Portable Sound System 1 receiver built in GPA 6X0BW2 Wireless Portable Sound System 2 receiver built in GPA 6X0BWU Wireless Portable Sound System 1 receiver and 1 audio player built in Portable Powered Speaker 1 audio player built in X is the variable for 5 6 and 7 battery type dependan...

Page 4: ...ium driver 5 3 Receiver DR 501A 4 Digital audio player UM 502 Battery replacement Lead Acid battery Get screws off Take battery out Get connection right RED for Anode BLACK for Cathode Get screws off Take battery out Get connection right RED for Anode BLACK for Cathode Ni MH Lithium battery 3 4 8 5 6 7 2 1 ...

Page 5: ...Peripheral Carry Bag CB 650 Folding Tripod ST 35 ...

Page 6: ...t device When the search is complete select a device named Portable PA from the pairing list and get it connected 4 When the devices have successfully paired it will sound a prompt tone again The indicator will light steady blue 5 You are now ready to stream audio via the Bluetooth connection from your smartphone or tablet as it s connected 6 If a phone call is incoming during playback the audio s...

Page 7: ...ll disappear after 2 to 3 seconds Press and hold UP or DOWN button 6 for 1 second until channel number is blinking Select a desired number through UP or DOWN 6 button A selected channel number will be confirmed in 1 second if no more adjustment made to it Operation Change channel manually How SYNC works function can find a clean channel and assign it to transmitter in the range about 3 m Just turn...

Page 8: ...lume up 12 Mute 13 Folder select 4 When both SD card and USB are installed USB has higher priority to be readout 5 Do not pull SD card out directly or it might be damaged Just push it a bit forward and it will be ejected 3 Press 5 to Play or to Pause any audio track 2 Press 2 to play previous audio track press 3 to play next audio track Press 4 to stop any playback 1 Press and hold 9 for 1 second ...

Page 9: ...ayback To repeat a track To repeat all tracks in all album To repeat all tracks in a single album b When not in playback press 8 to select a desired folder album with NEXT PREV buttons Finally press PLAY to end the setting 7 During playback press VOL to increase volume press VOL to decrease volume ...

Page 10: ...y energy 6 Channel adjustment and setup button 7 Talk Mute button 8 Power Hi Low switch 9 Battery room 10 Battery door 11 Talk Push mode switch 12 Charging contacts Insert battery Open battery door and insert 2 AA 1 2 V Ni MH 1600mAh or 2 AA 1 5 V Alkaline batteries Make sure the batteries are allocated in correct direction ...

Page 11: ... 30 M line of sight current drained at 70 mA 3 Insert batteries and resume battery door Press and hold power ON OFF button 4 for 1 second to turn on The power indicator 3 lights up when power on progress is made successfully Power indicator lights in green sufficient battery energy Power indicator lights in red low battery 4 Under Talk mode Green microphone icon Talk Red microphone icon Mute Under...

Page 12: ...0 5 second and the power is on LCD backlit lights up 2 When power is on the button lights blue 3 Power is on in two seconds and receiving audio signal Power ON Power OFF 1 Press and hold for two seconds to turn the device off 2 OFF display on screen and all indicators turned off 1 Press and hold SET button for two seconds enter into the channel select mode 2 When channel numbers flashes press or t...

Page 13: ...rged 3 When device is slot into a charger stand will off the power 4 Battery error LED status lights red and flashes when charging LCD battery symbol lights flashes and it caused by o 1 The battery charge temperature is exceeded 60 C 2 The duration of charging time for charger stand is exceeded seven hours 3 The battery is defected Frequency synchronization 1 When power is on it will synchronize f...

Page 14: ...n 1 DON T operate the device in the rain or in humid circumstance to prevent failure 2 Prevent the device from dropping 3 Apply factory recommended power supply to this system only It is dangerous and risky when employing a not qualified power ...

Page 15: ...ugged well No Sound Output Be sure transmitter and receiver stay at same channel Be sure volume control on transmitter and receiver are turned properly Be sure Master is turned properly Be sure Mute button is not on Check if transmitter and receiver stay at same frequency band Check if there is huge air interference nearby ...

Page 16: ...fe and better performance make sure you charge the battery regularly every month When you need to use the unit again after a long period of stogare make sure you charge if fully for at least 8 hours BEFORE any operation Please also charge this unit every time right after operation to secure a longer battery life This unit has DOD depth of discharge protection design When Power Switch LED flashes r...

Page 17: ...d result in the device exceeding the RF exposure requirements and void user s authority to operate the device Consumer Alert Most users do not need a license to operate this wireless microphone system Nevertheless operating this microphone system without a license is subject to certain restrictions The system may not cause harmful interference it must operate at a low power level not in excess of ...

Page 18: ...er Speaker Digital audio player Receiver Running time Dimensions DxWxH Weight 5 Neo driver 1 tweeter supports USB disk and SD card optional plug in receiver with ACS Auto Channel Synchronization supports 2 receivers maximum Audio input Audio output Controls Power supply Battery Charging time mic in combo jack aux in stereo mixed 3 5 mm aux out stereo mixed 3 5 mm Master Tone Mic Aux in AC switchin...

Page 19: ...put power Audio input Mic in jack Audio control Battery Running time Dimensions DxWxH Weight condenser internal Mute Hi Mid Low sensitivity Lithium 1200 mAh Wireless Handheld Microphone EJ 501TM Microphone capsule Antenna RF output power Audio control Battery Running time Dimensions D x L Weight condenser 10 mW H i 3 mW Low Talk Mute button 2 AA 1 2 V Ni MH 1600 mAh or 2 AA 1 5 V Alkaline 15 Ni MH...

Page 20: ...11 13 ...

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