Oklahoma Sound PRA-7000 User manual

ATTENTION
1
PRA-7000
PRO AUDIOWIRELESS PUBLIC ADDRESS SYSTEM
OPERATION MANUAL
WARNING:
* To prevent fire or shock hazard, do not expose the unit to rain or moisture.
* To avoid electrical shock, do not open the cabinet. If unit does not function
properly, contact your dealer or our Customer service dept.
.
PRECAUTIONS:
* This is a professional high-end home appliance that contains a large scale of
integrated circuit and laser set.
* To extend the usage time, allow a minimum of ten seconds between the time the
power is turned on and off.
* Keep the DVD power at the off position while connecting the unit and when the
unit won't be in use for an extended period of time
* Do not use the system where it may be subjected to:
---direct sunlight or near heating units
-- hot areas.
---excessive dust or poor ventilation.
---excessive humidity or rain.
---mechanical or other vibrations.
* When excessive dust accumulates on the DVD player, have it cleaned with a laser-
cleaning disc.
* To clean unit, use a cotton cloth. Do not use sand paper, alcohol, or gas etc.
* To avoid damage to the unit, do not use a worn disc.
* Do not use a damaged cassette.
MAINTENANCE

3
2
* Be sure to use the correct power supply.
* When disconnecting unit from outlet, gently remove plug. Do not pull power cable.
* Be sure that the power cable is properly connected before turning on the power.
* Turn the volume control of the amplifier to the minimum before turning the
power on. Once power is on adjust to the desired level
* While unit is not in use remove power cable from outlet.
* Do not open the DVD player. Contact your dealer or our customer service dept.
if it is not functioning properly.
* Be sure that the power is off before opening the cabinet of the unit.
ATTENTION FOR POWER SUPPLY
FIGURE
PARAMETER
63
64
65
66
67
68
69
47
48
51
52
53
50 54
49
56
57
58
59
55
1
2
3
4
17 18 19 20 21
22 23 24 25 26
31
34
27
28
29
30
35
37
38
39
40
41
42
43
44
46
1056789
11
12
13
14
15 16
33
32
36
45
60 61 62
1. Metal corner for protection
2. Compartment for DVD PLAYER
3. LED screen for DVD PLAYER
4. DVD power indicator
5. Open/close button for DVD PLAYER
6. DVD/ PLAYER previous button
7. DVD PLAYER next button
8. Track button
9. play/pause button for DVD PLAYER
10. Stop button for DVD PLAYER
11. Power indicator for amplifier
12. RF signal indicator
13. Power switch for amplifier
14. Main volume control for amplifier
15. Volume control for Mic 1
16. Volume control for Mic 2
17. Volume control for Mic 3
18. Echo control
19. CD/TAPE volume control
20. Treble control
21. Bass control
22. Input jack for Mic 1
23. Input jack for Mic 2
24. Input jack for Mic 3
25. Line input 1
26. Line input 2
27. Metal shield for sound box
28. Woofer
29. Exhaust pipe
30. Stand for sound box
31. Tweeter
32. Audio L/R OUT jacks on the front panel
33. Video IN/OUT jacks on the front panel
34. Audio L/R IN jacks on the front panel
35. Open/close button for tape
36. Pause button for tape
37. Forward button for tape
38. Rew button for tape
39. Play button for tape
40. Record button for tape
41. Cassette holder
42. Sound box
43. Cloth for sound box
44. Handle for sound box
45. Trailer handle
46. Antenna
47. Antenna socket
48. Trailer pole
49. Low voltage indicator
50. Power socket with safe pipe
51. Compartment cover for rechargeable
battery
52. Rechargeable battery
53. Truckle for trailer
54. Charge indicator
55. Hole for emanating the heat
56. Video output socket on the rear panel
57. Audio output jack L on the rear panel
58. Audio output socket R on the back panel
59. Fixed stand for trailer
60. Power switch for transmitter
61. Signal indicator for transmitter
62. Volume control for transmitter
63. 3.5mic input jack
64. Clip-on Mic
65. Headset Mic
66. Handheld Mic shield
67. Signal indicator for handheld Mic
68. Power switch for handheld Mic
69. Mic tube
(Optional)

OPERATION
Input wired mic -58dBV 600
Record output 0dBV 1K
Speaker: 10 woofer, 4 tweeter
RMS power 100W, Peak 250W
Input jack 3 1/4 wired mic jacks, 2x line input jacks
3xRCA VIDEO+L/R AUDIO input jack
Output jack 6x RCAVIDEO+L/R AUDIO output jacks
54
RECEIVER
Carrier frequency range UHF 690-960 MHz
RF sensitivity: -101dB
Image rejection: 60dB
S/N ration: dB
Effective distance: 200 ft.
TRANSMITTER
Carrier frequency range UHF 690-960 MHz
RF power output 10Mw
Modulation level 15K
Operation temperature -18 ~60
Power supply 9V
Power consumption 30mA
1. Multi-functional portable wireless amplifier system, which enjoys genuine &
great sound and quality, with simple and convenient operation.
2. The system is equipped with UHF wireless microphone transmitter & receiver.
3. This 250W unit is built with a 4" tweeter and 10" woofer. It is equipped with
a DVD player and a cassette player & recorder.
4. The system is perfect for Karaoke, conference, training, auditorium, hotel,
church, & teaching etc and can be used both indoors and outdoors.
5. Unit is equipped with a built-in rechargeable battery and will allow two hours of
continuous use.
6. The system is equipped with a handheld wireless microphone. Allows freedom
of movement of up to 200 feet.
7. This unit is equipped with jacks for three wired microphones that can be used at
the same time. The volume of each microphone can be adjusted individually.
8. For achieving best sound effect this unit is equipped with treble, bass and echo
control.
9. Line in/line out is supplied so that the user can play music from another system
or to record what is being amplified on this system. The volume for these can
be adjusted with the main volume control.
10. Separate CD/TAPE volume control is supplied to adjust DVD and cassette
volume.
11. Two groups of RCAAudio/Video output jacks and one group of RCA
Audio/Video input jacks are supplied on front and back panel of this unit.
12. Unit is supplied with recorder to record voice and music from the amplifier.
13. Retractable carry handle and wheels allows for easy transport
AMPLIFIER
Power supply AC110V, including a built-in 12V/7AH rechargeable battery.
Frequency response 35-20000Hz
SPL 94dB 1W/M
T.H.D <1%
1. Turn on the power.
A. For AC power
Connect the power socket of the unit and AC power socket with the supplied
cable.
Turn on DVD & the amplifier, both the red lights will indicate that the system
is operating.
B. For built-in rechargeable battery
It is not necessary to connect the AC power, the rechargeable battery will supply
power to the unit. Turn on the power switch. For DVDuse pressthe DVD on button.
Both red lights will indicate that the system is operating.
DESCRIPTIONS

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6
If the low voltage indicator on the back of the unit is red, it indicates insuffic-
ient voltage and unit needs to be charged.
C. To Charge the built in rechargeable battery.
Connect the power socket of the unit and AC power socket with the supplied
cable.
The charge indicator will turn from red to green meaning it has the sufficient
voltage.
The charge time should be 8-10 hours.
2. For DVD PLAYER
Turn on the amplifier and the red indicator will be lit.
Turn on DVD PLAYER and the red indicator comes on.
Open the compartment of DVD by pressing OPEN/CLOSE button and
insert the disc.
Connect the VIDEO output jack on either side of the unit and TV, the picture
will be transferred from DVD to TV screen.
Adjust main volume controls of the amplifier and DVD/TAPE to the desired level.
Adjust treble control and bass control to the desired level.
Press the previous button for previous song.
Press the next button for next song.
Press pause button for pause.
Press stop button for stopping.
Press track button to combine with Karaoke.
3. For TAPE/PLAYER
Press STOP/EJECT button and insert tape into cassette holder, Press PLAY to
begin playing.
Adjust volume controls of the amplifier and DVD/TAPE to the desired level.
Adjust treble and bass to desired level.
4. For wire mic
Unit is equipped with three Mic jacks to use three wired mics simultaneously.
Adjust echo control to the desired level.
Use the control knobs located at each jack to adjust the volume for each mic.
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5. For wireless mic
Once the switch is turned on, the receiver will immediately begin to feedback
signals from the wireless mic.
For headset mic, Insert a 9V battery into the bodypack transmitter and turn on
switch. The power indicator as well as RF indicator of the system will be lit.
Adjust echo control, treble and bass to the desired level.
Turn the volume control of Mic to the proper position.
6. Play and record by DVD and Player/Recorder
Open holder and insert tape.
Turn on amplifier.
Adjust the wired/wireless mic.
Turn on player.
If desired, sing along while music is being played.
To record, press REC & PLAY button simultaneously.
7. To play music from an outside source, plug cable into Line-in. Use the main
volume control to adjust the volume to the desired level.
8. For external audio/video appliance
This unit is equipped with two groups RCAaudio L+R/video output jacks
and one group RCAaudio L+R/video jack. DVD audio and video can be
output to other audio/video devices through RCA audio L+R/video output
jack. External audio and video can be input to this unit through audio
L+R/video input jack.

TROUBLESHOOTING
8
Problem Possible cause Solution
Power switch is turned
on, but power LCD
indicator light does
not go on
Battery has no power Plug AC cord into an
outlet to charge the battery.
No sound Check if Master VOL,
MIC VOL and DVD
VOL is on.
Turn on Master VOL,
MIC VOL and DVD VOL.
When AC cord is
plugged in, the Charge
LED indicator does not
go on.
*Check if AC cord is
securely plugged into
outlet and into AC input
connector on rear panel.
*Check if fuse is broken.
* * Connect AC cord
securely
* Replace fuse with one
that is identical to current
one.
Battery not working * Check charge LED
indicator color. If the
green indicator light
goes on, check if the
fuse is broken.
* Check if battery is dead.
* Replace fuse with one
that is identical to current
one.
* Replace the battery.
Wireless MIC not work
or bad sound
Check if microphone
battery is dead.
Replace new battery
Bad sound Check if power voltage
is too low.