Boss Audio 508UAB Owner's Manual

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RADIO OPERATION
Switch Between US and EU Frequency
In radio mode, press and hold the VOL button to switch between US (USA) and EU (Europe) 
frequency. The system will change the frequency setting in about 3 seconds.
Change Bands (BAND)
Press the BAND button to switch between the F1 (FM1), F2 (FM2), F3 (FM3), A1 (AM1) and 
A2 (AM2) bands. Each band stores up to six preset stations. 
Manual Tuning (|<< / >>|)
Press and hold the >>| or |<< button to enter manual tuning mode. In manual tuning mode, 
press the >>| or |<< buttons to move the radio frequency number up or down one step.
Auto Seek Tuning (|<< / >>|)
In standby mode or while not in manual tuning mode, quickly press the >>| or |<< buttons to 
move to the next/previous available station automatically. 
Automatic Music Search (AMS)
Press and hold the AMS button for more than 2 seconds to select six strong stations and 
store them in the current band. The radio will automatically scan the current frequency and 
enter the six strongest stations into the preset memory positions for that band. 
Store/Recall Preset Stations (1 - 6)
The radio can store 6 preset stations for each band (FM1, FM2, FM3, AM1 and AM2) for a 
total of 30 stored stations. 
1.  To memorize a station, turn the radio on and select the desired band and station. 
2.  Press and hold the desired preset button (numbered 1 - 6 on the face of the radio) for 
more than 2 seconds to save the station to that preset number. 
3.  Repeat for the remaining 
 presets on the current band and for all presets on the other 
four bands.
4.  A stored station can be recalled at any time by choosing a band and then pressing the 
corresponding preset button.