PPA72, PPA74
Portable PA Units
Item ref: 170.125UK, 170.127UK
User Manual
Introduction
Thank you for choosing a QTX Sound PPA series portable PA set. This product has been designed to offer reliable,
versatile playback and public address for many varied situations. In order to gain the best results from this equipment
and avoid damage through misuse, please read and follow these instructions and retain for future reference.
Warning
To prevent the risk of fire or electric shock, do not expose any of the components to rain or moisture.
If liquids are spilled on the surface, stop using immediately, allow unit to dry out and have checked by qualified
personnel before further use.
Avoid impact, extreme pressure or heavy vibration to the unit.
There are no user serviceable parts inside the unit – refer all servicing to qualified service personnel.
Safety
For re-charging and mains operation, check the supply voltage and use the correct IEC lead supplied.
Ensure mains leads and signal leads are in good condition
Do not use the USB connector as a general purpose power source or charger.
Do not allow any foreign particles or moisture to enter the unit through vents or connectors
Do not cover cooling vents and keep clear from dust and debris.
Placement
Keep the unit in an upright position on a stable surface or sturdy pole-mount stand
Keep out of direct sunlight and away from heat sources.
Keep away from damp or dusty environments.
Avoid using the trolley mechanism on uneven surfaces as this can cause the unit to fall
Cleaning
Use a soft cloth with a neutral detergent to clean the casing as required
Use a soft brush to clear debris from the cooling vents
Do not use strong solvents for cleaning the unit.
Note: Video Format
Your PPA unit can only output video in one format at a time. The unit may be shipped with video set to a different format
than you wish to use, giving a poor quality output or no output at all. Use the VIDEO MODE key on the handheld remote
control to cycle through the mode options for video until the correct mode is active for a clear signal to your TV or visual
display.
170.125UK, 170.127UK User Manual
1. Mains POWER switch
2. USB type A memory device input
3. CD/DVD disc drawer
4. SD/MMC card slot
5. USB/SD/MMC media player status indicator
6. VHF wireless microphone indicators (PPA74 only)
7. Transport control: STOP track
8. Power ON indicator
9. Transport control: REPEAT
10. Audio player Mode, Status and Time display
11. BATTERY low indicator
12. BATTERY charging indicator
13. DVD ON/OFF switch
14. L-R karaoke stereo output mode switch
15. Transport control: FORWARD/NEXT track
16. Transport control: REVERSE/PREVIOUS track
17. Transport control: PLAY/PAUSE track
18. OPEN/CLOSE disc eject button
19. MASTER volume control
20. BASS tone control
21. TREBLE tone control
22. ECHO control for microphones
23. VHF MICS level control (PPA74 only)
24. WIRED MICS level control (MICS 1 + 2 on PPA72)
25. WIRED MIC input (MICS 1 + 2 on PPA72)
Control Panel
170.125UK, 170.127UK User Manual