Adastra AS-4 User Manual Download Page 3

 

952.984UK User Manual 

Front panel 

 

 

 

Rear panel 

 

 

 

 

 

 

 

Connection 

 

Ensure the power is switched off and connect the supplied fig.8 mains lead into the power inlet (20) with the 

plug top into a suitable mains power outlet. 

 
Connect the output from the AS-4 to a mixer or amplifier line input using the RCA output connectors (18) 

Connect the supplied antenna lead (or suitable external aerial) to the DAB/FM Antenna connector (17) 

For Bluetooth reception, a Bluetooth antenna is provided, which should be connected to the SMA connector on 

the rear panel (16) 

 

Operation 

 

Switch on the POWER (19) and the LCD display (10) will illuminate.  

If the STANDBY LED (2) is lit, press the ON/STANDBY button (1) to activate the AS-4. 

(in standby mode, the Day, time & date are displayed with the backlight dimmed) 

 
Pressing the SOURCE button (7) repeatedly will cycle through DAB, FM, Bluetooth, USB and Auxiliary modes. 

The VOLUME dial (15) governs the output level of any selected source 

 

In any mode, press MENU (8) to enter the System menu (DAB and FM have additional options - see below) 

In the System menu, step through options via the TUNING dial (14) or pr/- buttons (12, 13) 

Select an option by pressing the TUNING dial to confirm. Navigate sub-menus in the same way. 

Edit the settings via the TUNING dial or +/- buttons and pressing the TUNING dial to enter. 

Press MENU to back out of settings, sub-menu and main menu pages. 

1. 

On/standby button 

 

 

9. 

Track info button 

2. 

Standby indicator 

10. 

Backlit LCD display 

3. 

USB port 

11. 

Preset select 

4. 

3.5mm Aux input 

12. 

-

 value decrement button 

5. 

3.5mm headphones output 

13. 

+

 value increment button 

6. 

Remote control sensor 

14. 

Tuning dial (press to enter menu option) 

7. 

Source selector  

15. 

Volume dial 

8. 

Menu button 

 

 

16. 

Bluetooth antenna connection 

19. 

Power on/off switch 

17. 

DAB+/FM radio antenna connection 

20. 

Fig.8 Mains inlet 

18. 

Left + Right RCA outputs 

 

 

Summary of Contents for AS-4

Page 1: ...AS 4 Audio Source DAB FM BT USB Item ref 952 984UK User Manual Version 1 0 Caution Please read this manual carefully before operating Damage caused by misuse is not covered by the warranty ...

Page 2: ... Unplug power from mains during stormy weather or if unused for long periods 11 In case of malfunction water ingress or other damage consult qualified service personnel 12 Do not place in damp areas or near liquids or moisture Do not spill liquids on the housing 13 Please pay attention to warning symbols during transit and placement 14 Ensure correct operation of the mains switch Warning To preven...

Page 3: ...cycle through DAB FM Bluetooth USB and Auxiliary modes The VOLUME dial 15 governs the output level of any selected source In any mode press MENU 8 to enter the System menu DAB and FM have additional options see below In the System menu step through options via the TUNING dial 14 or pressing buttons 12 13 Select an option by pressing the TUNING dial to confirm Navigate sub menus in the same way Edi...

Page 4: ... Tune into the available DAB DAB stations via the Station scan menu Press the MENU button in DAB mode and the display will show as follows The System menu is described in the table above Press the TUNING dial on the Station scan option and the display will show 2 tuning options Press the TUNING dial on the Full scan option to auto tune all available DAB DAB stations Press the TUNING dial on the Ma...

Page 5: ...p through available stations briefly press the TUNING dial To auto tune all available FM stations press and hold the TUNING dial After auto tuning the buttons can step through stored stations Press the MENU button in FM mode and the display will be as follows The System menu is described on the previous page Press the TUNING dial on the Audio setting option and the display will show 2 tuning optio...

Page 6: ...ts If the sending device goes out of range the AS 4 will enter pairing mode again Note if there is no playback after 15 minutes the AS 4 will automatically switch to standby mode USB Mode For playback of mp3 tracks from a USB memory device up to 32GB connect the device to the USB port 3 If there is no USB device or the device is not recognized the display will show No USB Playback of tracks will n...

Page 7: ...tion same function as pressing the TUNING dial VOL VOL Adjust output level Specifications Power supply 100 240Vac 50 60Hz fig 8 DAB frequency range 174 240MHz FM frequency range 87 5 108MHz USB port USB 1 0 1 1 2 0 up to 32GB FAT16 32 Antenna connection RF coax FM DAB aerial supplied Display Backlit LCD for track info frequency DAB DLS B T pairing Auxiliary input 3 5mm stereo jack Headphone output...

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