QRPA
Portable PA Units
Order ref: QR12PA (178.843UK)
QR15PA (178.846UK)
User Manual
VERSION 5.1
Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty
178.843UK, 178.846UK User Manual
Introduction
Thank you for choosing the QR series portable PA unit. Please read this manual prior to use to avoid
damage to the item.
This versatile portable PA unit is packed with features in a compact, manageable enclosure and is suitable
for a wide array of applications ranging from public address for presentations to outdoor karaoke.
Package Contents
Please check the contents to ensure that the product has been received in good condition.
• QRPA portable PA unit
• 2 x VHF handheld microphones
• Mains power lead
• IR Remote control for media player
• User manual
If you find any accessory is missing or the product has arrived with any problems, please contact your
retailer at once.
This product contains no user-serviceable parts so make no attempt to try to fix or modify this item
yourself as this will invalidate the warranty. We recommend you keep the original package and proof of
purchase for any possible replacement or returned demand.
Warning
To prevent the risk of fire or electric shock, do not expose this appliance to rain or moisture. To prevent
electric shock do not remove the cover. No user serviceable parts inside. Refer servicing to qualified
service personnel.
Safety
Prior to connecting mains, ensure that the supply voltage is correct and the mains lead is in good
condition.
Avoid ingress of water or particles into the enclosure.
If the mains or D.C. fuse blows, refer the unit to qualified service personnel
If the VHF microphones are to be unused for a long period of time, remove the batteries and store for
later use.
Placement
Keep the unit out of direct sunlight and away from heat sources.
Place the unit in an upright position during use and storage.
Keep the unit away from moisture or dusty environments.
Cleaning
Use a soft cloth with a neutral detergent to clean the cabinet, panel and controls.
To avoid damage, do not use solvents to clean this equipment.
178.843UK, 178.846UK User Manual
Rear Panel Layout
Connection
Your new QTX QR-series portable PA unit may arrive with you with the internal battery
charged. Before connecting to the mains, switch the unit on and check the POWER LED. If it is
green, there is charge in the battery. If it is red, then you will need to charge the battery
before using away from a mains supply (see “Charging the battery” below)
Connect the QR-series portable PA unit to the mains using the appropriate mains IEC lead
supplied. You may otherwise opt to connect the spring terminals at the rear to an external
12Vdc supply, such as a car battery, or use the internal battery if charged.
Power Up
Turn the VOLUME, ECHO and MIC VOLUME controls down (anti-clockwise) and turn the
POWER switch on (the power LED should light).
BASS and TREBLE controls should remain pointing vertically (12-o-clock position).
Switch VCV (voice controlled volume) off.
Your QR-series PA unit should now be ready to operate.
1. USB input
2. SD card slot
3. 2-band EQ controls (BASS + TREBLE)
4. Music volume control
5. VCV voice controlled volume switch
6. 6.3mm jack microphone inputs
7. Radio Frequency indicators (VHF carriers)
8. Wireless microphone volume controls
9. External 12Vdc power input
10. Charging indicator
11. Mains power indicator
12. Media player LCD display
13. Media player mode/transport controls
14. Microphone Echo level control
15. Microphone inputs volume control
16. AUX line input
17. Line output
18. 3.5mm line input
19. VHF receiver power switch & LED
20. VHF microphones antennae
21. D.C. power fuse
22. Power switch
23. Mains fuse holder
24. IEC mains inlet (12Vdc in for QR10PA)
178.843UK, 178.846UK User Manual
VHF Wireless Microphones
For QR12PA and QR15PA, insert the supplied 9V batteries into the handheld microphones by
carefully unscrewing the base of each and connecting the “+” and “-“ terminals or the battery
to the corresponding clips inside the microphone body, taking care to observe the correct
polarity.
For QR10PA, connect the neckband microphone to the bodypack, slide open the bodypack and
insert the supplied 9V battery, again observing the correct polarity.
Connect the antennae to the connectors at the rear and extend them fully at an angle.
With the VOL A and VOL B controls turned down, press the VHF ON/OFF button in so that the
VHF POWER LED lights.
Switch on each wireless mic in turn – the RF LEDs should light as a result.
If the LED on the transmitter lights dimly, change the battery.
Gradually increase VOL controls, testing each microphone in turn for output through the
speaker.
Take care not to incur “feedback” (howling or screeching sound through the speaker) by
keeping the microphone a sensible distance from the speaker and pointing away from the
speaker so that it doesn’t
“hear”
the speaker output.
Turning the ECHO control clockwise introduces a pre-set echo function for singing and special
effects. BASS and TREBLE can be cut by turning anti-clockwise or boosted by turning
clockwise.
When not in use, switch the wireless microphones off.
External Inputs
In addition to the unit’s own VHF microphones, 6.3mm jack inputs are provided to connect
external wired or wireless microphones, which are both governed by the MIC VOLUME control.
If required, the music level can be automatically muted when speaking into a microphone by
switching the VCV on.
Also, twin RCA and 3.5mm jack input are provided for line input sources such as CD player or
ipod. To use these, set the MODE switch on the USB/SD player to “LINE IN”
Adjacent to this twin RCA input is a twin RCA line output carrying the overall main mix.
The AUX is governed by the VOLUME control at the top of the panel.
178.843UK, 178.846UK User Manual
Internal USB/SD player
Insert a USB memory stick or an SD card with mp3 or wma media stored on it into the
relevant slot on the rear panel.
If the LCD display reads “LINE IN”, press the MP3/LINE button and check that the LCD display
shows that media is being read from the USB or SD device. If not, press the “>II” button or
try removing and re-inserting the memory device.
Increasing the VOLUME control should result in the media being played through the speaker.
Panel controls are detailed below…
“MP3/LINE” switches music input between internal USB/SD player and AUX input
“VOL – “ press and hold to decrease volume
“I<<” momentary press for previous track
“VOL +” press and hold to increase volume
“>>I” momentary press for next track
“REPEAT” toggle between repeating all, single or no tracks
“>II” Play / pause track
In addition to the panel controls, an infrared remote control is provided for the
USB/SD player which adds some further
functions to allow greater control over the
media player.
To operate, remove the clear plastic tab
from the remote to activate the battery.
Charging the battery
When not in use but connected to the mains, if the POWER switch is in the
off
position, the
internal battery will be re-charged from the mains supply. When charging, the CHARGE LED
which will light orange when charging. When fully charged, the CHARGE LED will light green.
178.843UK, 178.846UK User Manual
Specifications
Model
QR12PA
QR15PA
Power supply
220-240Vac 50/60Hz / external 12Vdc / internal battery
Main driver
30cm (12”)
38cm (15”)
HF unit
2.5cm (1”) titanium compression driver
VHF mic frequencies
174.1MHz + 175.0MHz
Output power
50W + 50W (LF + HF)
Battery life
Up to 8 hours
Dimensions
570 x 350 x 310mm
685 x 440 x 380mm
Weight
14.0kg
18.4kg
Troubleshooting
No output and no LEDs lit
Check POWER switch is on
Check battery is not drained fully
Check mains lead is connected
Check mains or D.C. fuse hasn’t blown
Power LED lit but no VHF
output
Check 9V batteries in wireless transmitters
Check wireless transmitters are switched on
Check VHF POWER is switched on
Check MIC VOLUME is not turned down
Check RF A and RF B LEDs for radio signal
Music level off/cutting out
Check that VCV is not switched on (will mute upon mic. signal)
Power LED lit but no
USB/SD player output
Check USB or SD has correct audio files on
Check USB or SD is connected properly
Press MP3/LINE button and try >II button
Check VOLUME is not turned down
Press and hold “VOL +” button
Check LCD display to see moving numbers
Power LED lit but no sound
from external inputs
Check leads are OK and connected properly
Check volume and on/off switch on external mic or line source
Check VOLUME or MIC VOLUME control is not fully down
Does "LINE IN" show on LCD for AUX input? (Press MP3/LINE)
Disposal: The “Crossed Wheelie Bin” symbol on the product means that the product is classed as
Electrical or Electronic equipment and should not be disposed with other household or commercial waste
at the end of its useful life. The goods must be disposed of according to your local council guidelines.
Hereby, AVSL Group Ltd. declares that the radio equipment type 178.843UK and 178.846UK are in compliance with Directive
2014/53/EU
The full text of the EU declaration of conformity for 178.843UK is available at the following internet address:
http://www.avsl.com/assets/exportdoc/1/7/178843UK%20CE.pdf
The full text of the EU declaration of conformity for 178.846UK is available at the following internet address:
http://www.avsl.com/assets/exportdoc/1/7/178846UK%20CE.pdf
Errors and omissions excepted. Copyright© 2021.
AVSL Group Ltd. Unit 2-4 Bridgewater Park, Taylor Rd. Manchester. M41 7JQ
AVSL (EUROPE) Ltd, Unit 3D North Point House, North Point Business Park, New Mallow Road, Cork, Ireland
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