Univox GPA-500W User manual

1
GPA-500W User manual
UHF Wireless Receiver System

2
Preface:
Thank you for buying GPA-500W wireless receiver system. This user manual
includes complete description on function and operation of GPA-500W series,
please read this manual before your use.

3
GPA-500W Illustrations:
1. Receiver Module
2. Speaker
3. MP3 player Module (Optional)
4. Operation Module (MASTER, TONE, Aux IN, MIC, MIC IN AUX)
5. Battery
6. Charging indicator
7. On / Off switch
8. DC input
1
2
3
4
5
6
7
8

4
E. Illustrations of Each Module
UHF Wireless Receiver Module (DR-701)
1. LCD screen
2. A/B Antenna indicator
3. RX indicator
4. AF indicator
5. Set button
6. Up / Down button
7. Power & Volume control
How to use DR-701:
1. Volume control
Turn it counterclockwise to the end to turn off, or turn it clockwise to turn on. Backlit
will be lighting when this unit turns on, and LCD will show channel that is using now.
For example:
2. Frequency set-up
(1) Press “SET” button for about 2 seconds then release when the LCD is flashing.
(2) Press “UP” or “DOWN” to select required frequency.
(3) Press “SET” button again to confirm selected frequency.
(4) If this unit is not in the set-up mode, LCD will show used frequency when press UP or
DOWN button. For example.
(5) Turn this volume control clockwise to increase or counterclockwise to decrease volume
level.

5
UM-500 Digital MP3 Player Module
1. Power on/off
2. LCD screen
3. Back button
4. Forward button
5. Repeat button
6. Pause button
7. Play button
8. Slot for SD card
9. Pitch control
10. USB port
11. Volume control
1
2 3 4 5 6 7
8 9 10 11

6
UHF Handheld Microphone (EJ-701TS / EJ-701TM)
1. Microphone grill 5. Frequency selection button
2. Microphone body 6. LED power indicator
3. Frequency set-up button 7. Switch on/off
4. LCD screen 8. Charging jack
UHF Body-pack transmitter (EJ-7LT / EJ-7XT)
1. Antenna
2. Mute
3. On/Off switch
4. Microphone jack (3.5 mm or 3-pin mini XLR)
5. LED power indicator
6. Sensitivity (HI/MID/LOW)
7. 3.5 mm Aux input jack
8. Set button
9. Up/Down button
10. Inbuilt microphone
11. Charging jack

7
F. GPA-500W Specifications
Carrier frequency range
1.740~752MHz(96 frequencies)2.794~806MHz(96 frequencies) 3.863~865MHz(16
frequencies)
Display status LCD indicator displays channel or frequency, battery life (transmitter)
Channel select SET, UP and DOWN keys
Switching bandwidth Max. 12 MHz
Ambient Temperature -10 ℃~ 50℃
Dynamic range 100 dB
T.H.D Less than 0.5%
Pre/De-emphasis 50μs
Squelch Tony key and noise lock dual-squelch
Frequency response 70Hz~17KHz
Reception range 70~100 Meters
Output power 30W (RMS) , 50W (MAX.) @4Ω
Speaker 5-inch, full range
MP3 Player module USB port / SD slot built-in (Optional)
Receiver module DR-701 x 2 with diversity
Audio input 6.3ΦMIC in, 3.5ΦAUX in (Stereo)
Audio output 3.5ΦAUX out (Stereo)
Volume control Wireless、Master、Tone、MIC、AUX
Power requirements 100~240VAC / 15VDC, 2A switching power supply
Battery 12V/2.9Ah Lead-Acid rechargeable battery
Charging time 4~6 hours
Operation life 3~4 hours
Dimensions D 260 x W 210 x H 290 (mm)
Weight 4Kg (battery included)
Appearance Black

8
EJ-701TS/EJ-701TM UHF Wireless Handheld Microphone
Mike Cardioid condenser capsule (EJ-701TM), or dynamic capsule (EJ-701TS)
Antenna Built-in
RF output 10 mW
Spurious emission Less than 250 nW
AF control Hi / Low / Mute switch
Battery 1.2V (Ni-MH.1600 mAh) x 2 AA rechargeable battery, 1.5V x 2 AA Alkaline disposable
Operation life 11 hours typical (NiMH rechargeable), 14 hours tipical (Alkaline disposable)
Dimensions D 46 x L 264 (mm)
Weight 280 g (Battery included)
EJ-7LT/EJ-7XT Body-pack Transmitter
Mike Condenser Mic.
Antenna Flexible
RF output 10 mW
Spurious emission Less than 250 nW
Audio input Mic in, Aux in
Input jack Screw-type (EJ-7LT), mini-XLR (EJ-7XT)
AF control Mute switch, Hi / Mid / Low switch
Battery 1.2V (Ni-MH.1600 mAh) x 2 AA rechargeable battery, 1.5V x 2 AA Alkaline disposable
Operation life 11 hours typical (NiMH rechargeable), 14 hours tipical (Alkaline disposable)
Dimensions D 26 x W 64 x H 88 (mm)
Weight 170 g( Battery included)

9
Operation
Turn GPA-500W on and select required channel on DR-701. Then turn on any transmitter to a
matched channel. Well, you can use it now. Simply adjust the volume or any requirement
needed from control module.
Cautions
1. It takes at least 1 meter between receiver and transmitter when they are in use.
2. Keep it away from rain.
3. Prevent it from bump or dropping.
4. Keep it away from high temperature when in use.
5. Do not use inappropriate power adapter