Okayo Gpa-820 User manual

User Guide

GPA-820 D1

Wireless active speaker

with Duo Receiver

Part no 504820

Product mix & Illustrations ....................................................................................................... 1

Controls and Operation .......................................................................................................... 2

UHF ACS Receiver Module DR-501A ......................................................................................... 3

UHF Duo Receiver Module DR-500 ....................................................................................... 4 ~ 5

CD Player CD-800S+ ........................................................................................................... 6 ~ 7

UHF Audiolink Transmitter TX-701-820 .................................................................................... 8

Important Maintenance Guideline ........................................................................................... 9

Specifications ...................................................................................................................... 10

Notice: The changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to

operate the equipment.

FCC INFORMATION

The Federal Communication Commission Radio Frequency Interference Statement includes the following paragraph:

-- Reorient or relocate the receiving antenna.

-- Increase the separation between the equipment and receiver.

-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

-- Consult the dealer or an experienced radio/TV technician for help.

The equipment has been tested and found to comply with the limits for a Class B Digital Device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against harmful interference in a residential installation.

This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction,

may cause harmful interference to radio communication.

However, there is no grantee that interference will not occur in a particular installation. If this equipment dose cause harmful interference

to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

IMPORTANT NOTE: To comply with the FCC RF exposure compliance requirements, no change to the antenna or the device is

permitted. Any change to the antenna or the device could 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 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should

also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For

more information, call the FCC at 1–888–CALL–FCC (TTY: 1–888–TELL–FCC) or visit the FCC's wireless microphone Web site at

http://www.fcc.gov/cgb/wirelessmicrophones.

This device complies with part 15 of the FCC Rules.

Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any

interference received, including interference that may cause undesired operation.

Features

Contents

120W power output (max).

Two-way speaker – 8” woofer and 1” tweeter – deliver great sound projection.

Supports max two UHF ACS receiver modules (DR-501A) or UHF Duo receiver modules (DR-500)

allows 4 wireless microphones to operate concurrently.

Integrated Bluetooth function for audio streaming from smartphone and tablet.

Built-in Echo sound effect & delay applied on wireless mics and audio inputs (GPA-828 ONLY).

Various audio player modules for option – MP3, CD, DVD, pitch control or recording – at users' choice.

Voice priority allows a reduced music volume when a microphone is used.

4-segment battery meter for charging and power status reading.

Two power models – AC or Battery powered.

Runs 4-6 hours on a charge (built-in battery charger).

Retractable handle and PU wheels allows users to move without difficulty.

Contents

Features 3

Product mix & Illustrations 4

Controls and Operations 5

UHF Duo Receiver Module DR-500 6

UHF Audiolink Transmitter TX-701-820 8

Troubleshooting 9

Important Maintenance Guideline 9

Specifications 10

Environment 11

Important notes 11

GPA-828

GPA-820

1. Horn Tweeter

9. Master Control Panel

DR-500

DR-501A

CD-800S+

CD Player

CD-800S+

GPA-820

GPA-828

GPA-820W1

GPA-820WT1

GPA-828W1

GPA-828WT1

GPA-820D1

GPA-828D1

GPA-820DU1

GPA-828DU1

GPA-820/828 series

2. Speaker Grill /

Full Range Speaker 8. CD Player

MIC LINE

TX-701-820

11. AC Power Input

12. Battery Cover

13. PU Wheels

14. Tripod Hole

Illustration

Product Mix

Model

5. Ventilator

6. Trolley Handle

4. Speaker Holes

7. Wireless UHF Receiver Module 10. UHF Audiolink Transmitter Module

UHF Audiolink

Transmitter Module

TX-701-820

A4 B2 B3 C2 C4C3 D3 D4A3 E2A5

A2 B1 C1 D1 D2 E1

A1/A2. Treble/Bass

A3. Master

A5. Voice priority

B1. Line input volume

B2. Line input (RCA)

Adjust the volume of all mixed audio inputs.

Original audio when knob is set on the middle.

Adjust the volume of all mixed audio inputs.

A4. Voice priority indicator

Degenerate music level when MIC is in use.

MI C L INE

B3. Line output

C1. AUX IN/Bluetooth volume

C2. AUX input (3.5mm)

C3. AUX output (3.5mm)

C4. Bluetooth button

GPA-820

GPA-828

MIC LINE

F2 F3 F4

D2. MIC 1 volume

D1.MIC 2 volume

D3. MIC 2 input 6.3mm

D4. MIC 1 input 6.3 mm or XLR Balanced

E2. Power switch

E1. Battery indicator

Switch signal input of (MIC 1) level orline

input level.

F1. Mic/Line switch (GPA-820 only)

Controls and Operations

After button pressed, LED flashes on, voice over

music priority function on.

Press and hold in 2 seconds to switch Bluetooth

on/off and a tone sound will display.

When Bluetooth activated, the indicator will

flashes blue and ready for pairing.

Connecting and searching Bluetooth device on

your tablet device when under pairing mode.

When it searched and completed, select a device

named “OKAYO GPA” from pairing list and

connected.

It will have a tone sound when paired and steady

light indicated on Bluetooth button. You can now

streaming audio via Bluetooth.

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.

F3. ECHO switch

F4. ECHO time delay switch

F2. ECHO volume

For UHF receiver module or MIC input signal

only.

A4 B2 B3 C2 C4C3 D3 D4A3 E2A5

A2 B1 C1 D1 D2 E1

A1/A2. Treble/Bass

A3. Master

A5. Voice priority

B1. Line input volume

B2. Line input (RCA)

Adjust the volume of all mixed audio inputs.

Original audio when knob is set on the middle.

Adjust the volume of all mixed audio inputs.

A4. Voice priority indicator

Degenerate music level when MIC is in use.

MI C L INE

B3. Line output

C1. AUX IN/Bluetooth volume

C2. AUX input (3.5mm)

C3. AUX output (3.5mm)

C4. Bluetooth button

GPA-820

GPA-828

MIC LINE

F2 F3 F4

D2. MIC 1 volume

D1.MIC 2 volume

D3. MIC 2 input 6.3mm

D4. MIC 1 input 6.3 mm or XLR Balanced

E2. Power switch

E1. Battery indicator

Switch signal input of (MIC 1) level orline

input level.

F1. Mic/Line switch (GPA-820 only)

Controls and Operations

After button pressed, LED flashes on, voice over

music priority function on.

Press and hold in 2 seconds to switch Bluetooth

on/off and a tone sound will display.

When Bluetooth activated, the indicator will

flashes blue and ready for pairing.

Connecting and searching Bluetooth device on

your tablet device when under pairing mode.

When it searched and completed, select a device

named “OKAYO GPA” from pairing list and

connected.

It will have a tone sound when paired and steady

light indicated on Bluetooth button. You can now

streaming audio via Bluetooth.

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.

F3. ECHO switch

F4. ECHO time delay switch

F2. ECHO volume

For UHF receiver module or MIC input signal

only.

1. LCD Window

(Display Channel Number /

Reception Strength)

2. Channel A

Power Switch and Volume Control

3. Up / Down Frequency Selector

4. Frequency Set Key

5. Channel B

Power Switch and Volume Control

Operation and Setting

Switch on/Switch off

1. Turn “Channel A / B” knob (2) / (5) clockwise until a clickoccurs, thenLCDwindowwillbeonand a

textof“On”willappearonLCDwindow. After 1 ~ 2 seconds, the LCD window will show a channel

number and signal strength, it means the receiver module switched-on successfully.

2. Vice versa, turn “Channel A / B” knob (2) / (5) counterclockwise until a click occurs, then LCD

windowwillshowa text of “OFF” for about 2 ~ 3 seconds. LCD window will be off after this

procedure, switched-off successfully.

Setting and Selection of Channels

Press and hold “SET” key (4) toenterthemodeofselectingthechannels

1. While both Channel A and Channel B are available, the channel number of Channel A shown on LCD

window starts to blink. Press “Up” or “Down” FrequencySelectorkeys (3) to look for your preferred

channel number. Press “SET” key (4) again to confirm the channel setting.

2. While only Channel A or Channel B is available, switch the channel number of Channel A or Channel B directly.

3. If you don’t press any key for more than 10 seconds, it will leave the channel-switching mode

with channel number kept.

4. Channel A and Channel B cannot be set with thesamechannelnumber.

Searching for Available Channels

1. Press “Up” and “Down” FrequencySelectorkeys (3) simultaneously formorethan 1 second, and

thenLCDwindowwillshow a text of withoutblinking. ChannelAandChannelBwillbe

switchedtoavailablechannelsautomatically.Ifthereisnoanychannelavailable, thechannel

numberswillstillremainthesame.

2. Press “Up” FrequencySelectorkey(3)formorethan1second, andthenLCDwindowwillshow

, ChannelAwouldbeswitchedtoavailablechannelautomatically.

Ifthereisnochannelavailable, thechannelvaluewouldbekeptthesame.

3. Press “Down” Frequency Selector key (3) for more than 1 second, and then LCD window will show

, Channel B would be switched to available channel automatically. If there is no channel

available, the channel value would be kept the same.

Press “Up” and “Down” Frequency Selector keys (3) simultaneously on DR-500 module 1 for more

than 1 second, you could find two available channels.

4. UsingtwoDR-500wirelessreceivermodulessimultaneously:

Switch on two Transmitters used for Wireless Receiver Module 1 and adjust the channel number

accordingly.

Press “Up” Frequency Selector key (3) on Wireless Receiver Module 2 for more than 1 second,

you could find available channel for Channel A.

Switch on the third Transmitter used for Wireless Receiver Module 2 and adjust the channel

number accordingly.

Press “Down” Frequency Selector key (3) on Wireless Receiver Module 2 for more than 1 second, you

could find available channel for Channel B.

Switch on the forth Transmitter. Finalize the process of four channels used simultaneously.

Setting of Group Number and SQ Value

1. Press “Set” key (4) andthenswitchonChannelAorChannelB to enter Group setting, and then LCD

window would show (numberwillkeepblinking).

2. Press “Up” or “Down” FrequencySelectorkeys (3) tolookforyourpreferredgroupnumber.

3. Press ”SET” key (4) toconfirmthegroupsettingorwaitfor 5 secondstoconfirmitautomatically

andthen enter setting mode ofSQvalue.

4. Under setting mode of SQ value, LCD window will show (number will keep blinking).

5. Press “Up” or “Down” FrequencySelectorkeys (3) tochooseSQvalue,thevaluewillnotbeset

incirculation.

6. Press “SET” key (4) againtoconfirmthe group setting or wait for 5 seconds to confirm it

automatically and then back to normal switching-on mode.

Please keep the distance between the Transmitter and the Receiver more than 2 M.

CAUTION!

1. LCD Window

2. TX Indicator

3. AF indicator

4. Frequency SET

5. UP / DOWN

6. Power/ Volume Knob

Operation

Press Frequency SET button enter into the selection mode, LCD Window will blink and shows channel

, press UP / DOWN button into desired channel or quit without setting in 10 seconds. To display

current used channel, simply press UP / DOWN button.

ON / OFF

Channel Selection

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.

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.

Failed to Power On

Be sure batteries are allocated and put in correct direction.

Be sure power adapter is plugged well.

Troubleshooting

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 storage, make sure you charge it

fully for at least 8 hours BEFORE any operations.

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.

Battery replacement

Get screws off Get connection right –

RED for Anode;

BLACK for Cathode

Take battery out

80W (RMS) / 120W (MAX)

LCD readout, LED indicators

10 mW or 30 mW (country dependent)

< 250 nW

70 Hz - 16 kHz

50 ~ 70 M

Specifications

Output power

Speaker 8" woofer and 1" tweeter

Receiver modules

Audio inputs

DR-501A or DR-500, up to 2

Combo/6.3Φ-Mic in, 3.5Φ-Aux in, RCA-Line in, MIC/LINE Switch

3.5Φ-Aux OUT, RCA-Line out

Audio outputs

CD Player

264 x 301 x 511 (mm)

Power requirements 100~240 VAC switching power supply

Battery 12V, 4.5 Ah x 2 (Lead-Acid) rechargeable batteries)

Battery indicator 4 LEDs to indicate battery autonomy status

Operating life 4 ~ 6 hours

Charging time

Dimensions(D x W x H)

Weight Approx. 16kg (35lbs), batteries included

CD-800S+

Bluetooth Receiver

Effects

Built-in

ECHO / DELAY (GPA-828 only)

6 ~ 8 hours

Wireless UHF Receiver Module DR-501A/DR-500

Carrier frequency

Channels

LCD window

Channel adjustment

-10° C 50° C

80 kHz, with level limiting

70 Hz - 16 kHz

50 ~ 70 M

Sync SCAN

DR-501A

514 〜 865 MHz (country dependant)

16 〜 96 (frequency dependant)

Channel, Frequency

DR-500

Channel, Reception Strength

30 MHz (max.)

Receiver Module

Frequency modulation

Carrier frequency

LCD status

Controls

RF output

Spurious emission

Antenna Built-in

Ambient temperature

Wireless coverage

Frequency response

Tone key and noise lock dual-squelch

set, up, down, volume

� Specifications are subject to change without prior notice.

UHF Audiolink Transmitter Module TX-701-820

Environment

Please follow existing disposal regulations in your country. If you respect these

instructions you ensure human health and environmental protection.