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178.808UK User Manual 

Specifications 

 

Power supply 

12-15Vdc (adaptor supplied) or internal battery 

Battery life 

Up to 8 hours 

HF driver 

2 x 25mmØ balanced dome 

LF Driver 

200mm (8“) reinforced paper cone

 

Bluetooth version 

2.1 

Output power 

50Wrms 

SNR 

85dB 

Construction 

Injection-moulded polypropylene 

Power supply : Handheld transmitters 

2 x AA batteries each microphone 

Wireless microphone frequencies 

174.1MHz + 175.0MHz 

Dimensions 

380 x 295 x 220mm 

Weight 

7.2kg 

 

 
Troubleshooting 

 

No output and no LEDs lit 

Check POWER switch is on 
Check battery is not drained fully 
Check mains lead is connected if not on battery power 

Power LED lit but no VHF output 

Check AA batteries in handheld transmitters 
Check VHF POWER is switched on 
Check VOL controls are not turned down on top panel 
Check RF LED is lit for each channel (check transmitter frequency)  

Bluetooth not connecting 

Ensure that the smart phone or tablet is paired to “PA System”

 

Check that the sending device is within range 

 usually 5 to 8m 

Power LED lit but no media player output 

Check USB or SD has mp3 audio files stored  
Check USB or SD is connected properly 
Ensure media is formatted to the FAT32 file system 
Press MODE button and try Play/Pause button 
In FM tuner mode, ensure that a station is tuned in 
Check VOLUME is not turned down 

Press and hold “VOL +” button

 to ensure media player volume is up 

Check LCD display to see moving numbers 

Power LED lit but no sound from external inputs 

Check leads are in good condition 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 
In AUX mode, press Play/Pause to ensure input is not muted 

 

 

 

Disposal:

 

The “Crossed Wheelie Bin” symbol on the product means that t

he 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. 

 

 

 

 

 

Errors and omissions excepted. 

 

Copyright© 2018. AVSL Group Ltd. 

Содержание DELTA-50

Страница 1: ...DELTA 50 Desktop PA with Bluetooth Item ref 178 808UK User Manual Version 1 ...

Страница 2: ...l 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 ...

Страница 3: ...harged The upper LED is green when powered on and red if the battery is low 1 SD card slot 2 USB input 3 Media player LCD display 4 IR remote receiver 5 Wired microphones volume 6 Microphone Echo level control 7 Treble EQ control 8 Bass EQ control 9 Music volume control 10 Media player mode control 11 Media player transport record controls 12 VHF antenna 13 VHF Mic A volume control 14 Radio Freque...

Страница 4: ...verned by the MIC VOLUME control A VCV switch activates the Voice Controlled Volume feature This function gives priority to microphones over playback so that announcements are more easily heard When the VCV is on any sound through the microphones will cause the music playback to duck drop in volume The music volume is restored after there is no sound through the microphone after a short preset per...

Страница 5: ... the device has moved out of range and disconnected Remote Control In addition to the panel controls an infra red 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 internal battery When not in use but connected via the 12Vdc ad...

Страница 6: ... PA System Check that the sending device is within range usually 5 to 8m Power LED lit but no media player output Check USB or SD has mp3 audio files stored Check USB or SD is connected properly Ensure media is formatted to the FAT32 file system Press MODE button and try Play Pause button In FM tuner mode ensure that a station is tuned in Check VOLUME is not turned down Press and hold VOL button t...

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