Basic Operation; Specification - Boss Audio Systems RDS740UA User Manual

BASIC OPERATION:

1. To turn on/off the unit
Press any button except the EJECT and REL button to turn on the unit. It also can
turn on the unit to insert disc or USB. Press the power button and hold for more than
0.5 seconds to turn off the unit.
2. To select playback mode
Press MODE button to select a different mode of operation as indicated on the display
panel. Available modes include Tuner, CDP, USB and AUX.
3. To adjust the volume level
To increase the volume, rotate the volume knob clockwise. To decrease the volume,
rotate the volume knob counter clockwise. When the volume is adjusted, the volume
level will be shown on the display panel.
4. To mute or resume the sound
Press MUTE button momentarily to mute the audio volume, and MUTE will flash in
the display. Press the mute button again to restore volume to the previous setting.
To resume the sound immediately, can also press one of the MODE,
BAND, SEL button or rotate the VOL knob.
5. To turn on/off LOUD mode
Press TA button and hold for more than 0.5 seconds to turn on/off LOUD mode.
When turn on the LOUD mode, it will enhance bass level immediately when the bass
is not enough.
5. To display and adjust the clock time
A) RADIO MODE
When RDS DATA is received, press the CLOCK button shortly and repeatedly to
display the following items alternatively:
--->PS NAME ---> CLOCK --->FREQUENCY --->PTY-->
When RDS DATA is not received, press the CLOCK button shortly and repeatedly
to display the following items alternatively:
--->FREQUENCY ---> CLOCK --->PTY-->
B) USB or DISC MODE
Press the CLOCK button shortly to display time for 5 seconds, and then it returns
to its previous display unless the button is pressed again.
C) time adjustment
In the clock mode, press CLOCK button and hold for more than 1 second to flash
time and then rotate VOL knob to adjust hour or minute.
6. To select and adjust the mode of the sound and menu
A) To select and adjust the sound mode:
Press SEL button shortly and repeatedly to select the mode of VOL(volume),BAS
(bass)(without preset DSP), TRE(treble)(without preset DSP), BAL(balance) and
FAD(fader) in the sequence and circulation. In each mode, the waiting time is about
5 seconds, and when the waiting time is over, it will return to the last display mode.
After select a desired sound item, rotate VOL knob to adjust level of the selected
sound item.
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SPECIFICATION

GENERAL
Supply Voltage DC 12 V. Negative Ground
Current Consumption Max.10A
Power Output 80Watts X 4 (Measured at DC 14.4 V)
Number of channels 2 STEREO channels.
Unit Dimensions 178[W] X 165[D] X 50[H] mm.
FM SECTION
Frequency range 87.5MHz -108MHz
Effective sensitivity 3uV.
I.F Frequency 10.7MHz.
RCA LINE OUT
Output 1200mV @ CD MAX.
CD PLAYER
System MP3 Audio System.
Suitable CDs MP3, WMA, CD,CD-R,CD-RW Disc
Frequency characteristics 20Hz-100Hz < 5dB
10KHz-20KHz < 5dB.
S/N Ratio to CD 50dB [1KHz]
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