ITC SFB120 Operation Manual Download Page 7 | Manualshive

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4. NOMENCLATURE AND FUNCTIONS

4.3 REAR PANEL

EMC IN

AUDIO AUX2

AUX1

OUTPUT

INPUT

70V/

100V

OUTPUT

COM COM COM

MUTE

FM ANT

G

+

70V

100V

21

22

24 25

23

26

27

28

29

30

21. AC power input socket
22. Cooling fan
23. 100V / 70V speaker output switch
24. MUTE mute control
25. FM radio antenna interface
26. AUX1 input interface, used to connect AUX output interface
27. AUX2 input interface
28. Line output interface, used to connect the line input interface
29. EMC input interface
30. 100V/70V output interface

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Summary of Contents for SFB120

Page 1: ...o obtain the optimum results from this unit We also recommend that you keep this manual handy for future reference PUBLIC ADDRESS SYSTEM MIXER AMPLIFIER T B120 MIC1 INPUT MASTER 10 0 MIC 1 10 0 AUX 1 10 0 AUX 2 10 0 POWER PROT 100V 70V SIG CLIP OL ON OFF BASS 10 10 TREBLE 10 10 TF USB IR ...

Page 2: ...UTIONS 3 2 GENERAL DESCRIPTION 5 3 FEATURES 5 4 NOMENCLATURE AND FUNCTIONS 4 1 Front Panel 6 4 2 emote control 6 R 4 3 Rear Panel 7 5 OPERATION ILLUSTRATION 8 6 TROUBLESHOOTING 11 7 APPLICATIONS 12 8 BLOCK DIAGRAM 13 9 SPECIFICATIONS 14 ...

Page 3: ...t in fire or electric shock Be sure to replace the unit s terminal cover after connection completion Because high voltage is applied to the speaker terminals never touch these terminals to avoid electric shock Be sure to ground to the safety ground earth terminal to avoid electric shock Never ground to a gas pipe as a catastrophic disaster may result Avoid installing or mounting the unit in unstab...

Page 4: ... in Use Do not place heavy objects on the unit as this may cause it to fall or break which may result in personal injury and or property damage In addition the object itself may fall off and cause injury and or damage Make sure that the volume control is set to minimum position before power is switched on Loud noise produced at high volume when power is switched on can impair hearing Do not operat...

Page 5: ...output terminal uses standard 6 3 audio microphone jack and line input use RCA jack to provide users with different audio input interface options 5 1 channel microphone input with independent volume control 6 2 channel line inputs with independent volume control And also with EMC input 7 With function of auto play MP3 and power off memory 8 With priority function when MIC 1 input the other audio s...

Page 6: ...when don t use it for a long time 5 Take it easy in case of falling Normal usage distance of remote control Remote control distance 8 meter angle level 35 vertical 15 4 2 Remote control MODE EQ STOP 1 2 3 4 5 6 7 8 9 10 3 7 5 8 9 10 11 13 14 15 17 19 12 2 4 1 6 16 18 20 1 Recording function button 2 MP3 loop playback function button 3 MIC1 input 4 Play Pause 5 Next song Volume reduce 6 USB interfa...

Page 7: ... 23 26 27 28 29 30 21 AC power input socket 22 Cooling fan 23 100V 70V speaker output switch 24 MUTE mute control 25 FM radio antenna interface 26 AUX1 input interface used to connect AUX output interface 27 AUX2 input interface 28 Line output interface used to connect the line input interface 29 EMC input interface 30 100V 70V output interface ...

Page 8: ...quipment will be connected are powered off Using the corresponding cable to connect this equipment and other external equipment 3 Connect the power line and turn it on Please make sure that the power switch of equipment and its connected equipment are turned off in the OFF position Turn the volume knob to the left Connect the supplied power line to the AC IN interface Plug the power line into the ...

Page 9: ...volume by using the volume knob 5 Shutdown the system 1 Turning the volume knob to the left until the minimum position 2 Turning off the panel power switch of the professional power amplifier at 0ff In turn shutoff processor equipment and audio source equipment 6 Built in MP3 player operation method The buttons are explained as follows S No Buttons Function Mode function button FM USB BT playing L...

Page 10: ...switch between REPeat One REPeat ALL Random REpeat Floder Functional memory function You can turn it off by the remote controller or long pressing the MODE button After it is turned on it can remember the function mode selected before If you unplug the power cable and turn it on again the default is Bluetooth function mode Recording function In the PLAYING mode press the lower left Recording butto...

Page 11: ... 3 The volume knob is not opened or turned down to a extra low level 4 There is no audio signal input 5 There is short circuit in the speaker line 3 The sound suddenly disappears in normal status 1 The equipment is in very high temperature to make it into protection status 2 The connection wire is bad contact 4 Low sound The equipment is set to be low impedance connection but the speakers connecte...

Page 12: ...FM ANT G 70V 100V 7 APPLICATIONS REAR PANEL CONNECTIONS 12 AC Power Input 70V 100V Speakers MIC1 Input CD PLAYER CD PLAYER MIXER AMPLIFIER External FM antenna VOL PLAY MSG MIC in PLAY SIREN REC in ON OFF STANDBY PLAY ALARM MODE RECORD STOP START ALARMING SIGNAL GENERATOR ...

Page 13: ...EVEL LEVEL LEVEL MUTE_MIC1 MUTE_ALL Q2 GND MUTE_ALL Q1 GND MUTE_MIC1 AUDIO OUT LEVEL LEVEL Display Protection circuit LCD display Fun control Amplifier module Switchover between 70V and 100V DC 24V inverter power supply switching power supply Remote control Button BP1048B2 Crystal 24MHz BT Antenna 2402 2480MHz ...

Page 14: ...t circuit overload and overheating protection 75dB Rated power output distortion 1 MIC 1 has the priority than other input S N Ratio T H D Priority function Bass 100Hz 10dB Treble 10KHz 10dB Tone 80Hz 16KHz 3dB SFB120 120W Protection Dimension Weight Power Consumption 320W 300 88 280mm 4 1Kg 180W 3 9Kg Input power 110V 50Hz 120V 50Hz 220V 50Hz 230V 50Hz 240V 50Hz 110V 60Hz 120V 60Hz 220V 60Hz 230V...

Page 15: ...interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Caution Any changes or modiﬁcations to this device not explicitly approve...

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