Page 11. RELEASE BUTTONPress the REL button to release the front control panel from the unit chassis,then pull it up a little to remove from the unit chassis.When the front control panel is removed the LED indicator flashes.2&3&4. SEL BUTTON (Select) AND VOL CONTROL BUTTONa) Press the SEL button briefly, it is activated as selecting each mode of E. VOL.-> VOLUME ->BASS ->TREBLE -> BALANCE -> FADER ->When selecting a desired audio mode, press the VOL+ or VOL- button to adjustthe audio effect.In each mode, the waiting time is about 5 seconds, and the time waiting timeis over, it returns to the last display mode .The control mode of E.VOL is operated with following numeric display.- VOL: (MIN)00, 01,......46, 47(MAX).- BASS/TRE: -07, -06,...,00,...+06,+07- BAL: 0LR9, 1LR9, ..., 9LR9,..., 9LR1, 9LR0- FAD: 0FR9,1FR9, ..., 9FR9,..., 9FR1, 9FR0b) Press SEL button and hold for more than 2 seconds to turn on TA SEEK/TA ALARM mode, then press SEL button shortly and repeatedly to selectPI SOUND/PI MUTE, RETUNE L/RETUNE S, MASK DPI/MASK ALL, BEEP ON/BEEP OFF, USER SET (FLAT/CLASSIC/ROCK/POP),VOL LAST/VOL DEFA ,STEREO/MONO(in RADIO mode), LOUD OFF/LOUD ON,DX/LOCAL (in RADIOLOCATION AND FUNCTION OF CONTROLS26 25SD/MMCAUX1 718 19 20 21165 21711 15 10 14 13 12 98622 232443MUTESELSD/MMCPWRVOL+VOL-AUXINT21 5RDM4RPT3 6CLK MODE PTYTAAFAS/PSBNDMMC/SD/USB/MP3 PLAYERSPECIFICATIONGENERALSupply Voltage DC 12V. Negative GroundCurrent Consumption Max.10APower Output 25Watts X 4 (Measured at DC 14.4 V)Number of channels 2 STEREO channels.Unit Dimensions 178[W] X 101.5[D] X 50[H] mm.FM SECTIONFrequency range 87.5MHz - 108.0MHzEffective sensitivity 3uV.I.F Frequency 10.7MHz.AM SECTIONFrequency range 522KHz - 1620KHzEffective sensitivity 40dB.I.F Frequency 450KHzRCA LINE OUTOutput 1200mV @ MAX.MMC/SD or USB PLAYBACKSystem MP3 audio system.<=5Frequency characteristics 20Hz -100Hz dB<=510KHz-20KHz dB.Signal to noise (MMC/SD & USB) 50dB [1KHz] .Page 11