4
1
6
7
8
9
10
13
14
11
12
2
3
5
1
4
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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
A1
A4
B2
B3
C2
C4
C3
D3
D4
A3
E2
A5
A2
B1
C1
D1
D2
E1
A1/A2. Treble/Bass
A3. Master
A5. Voice priority
B1. Line input volume
B2. Line input (RCA)
F
F
F
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.
MIC
LINE
B3. Line output
C1. AUX IN/Bluetooth volume
C2. AUX input (3.5mm)
C3. AUX output (3.5mm)
C4. Bluetooth button
2
F1
GPA-820
GPA-828
MIC
LINE
F2
F3
F4
ON
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.
