Audio 2000 AKJ7403 Owner'S Manual Download Page 12 | Manualshive

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HEADPHONES

PRINCIPLE OF AUDIO
VIDEO SWITCHOVER

PRE-OUT

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Summary of Contents for AKJ7403

Page 1: ...TH DIGITAL ECHO KEY AND FEEDBACK CONTROLS Thank you for purchasing the Audio2000 S professional karaoke mixing amplifier with digital echo key and feedback controls To achieve maximum performance from your new unit please read this manual thoroughly and retain it for future reference For more information please visit our website www audio2000s com R 4 A C C 7 03 1 ...

Page 2: ...CONTROL UNIT SAFETY PRECAUTIONS MAINTENANCE TROUBLESHOOTING ETIQUETTE OF SOUND SPECIFICATIONS IMPORTANT For your protection please read these instructions completely and keep this manual for future reference Carefully observe and comply with all warnings cautions and instructions placed on the equipment or described in the operations instructions to guard against injury TABLE CONTENTS 1 2 3 3 3 4 ...

Page 3: ...rating and maintenance servicing instructions in the literature accompanying the appliance CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT ATTENTION POUR EVlTER LES CHOCS ELECTRIQUES INTRODUlRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPON DANTE DE LA PRISE ET POUSSER JUSQU AU FOND CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR ...

Page 4: ...y from heat sources such as radiators heat registers stoves or other appliances including amplifiers that produce heat 11 Power Sources The appliance should be con nected to a power supply only of the type des cribed in the operating instructions or as mar ked on the appliance 12 Grounding or Polarization The precautions that should be taken so that the grounding or pola rization means of an appli...

Page 5: ...ower consumption of AC power outlets Be careful that the total power consumption does not exceed the wattage marked on the rear panel Do not connect other appliances than the system components to the power outlets of this unit Do not connect a TV set to this unit even if the power consumption value marked on a TV set is below the permissible limit of this unit A larger current than the permissible...

Page 6: ... control knob adjusts the microphone input level from the MIC INPUT 2 jack front panel and the MIC INPUT A jack rear panel 3 B This control knob adjusts the microphone input level from the MIC INPUT 3 jack front panel and the MIC INPUT B jack rear panel Normally set these control knobs to the center positions MICROPHONE INPUT JACKS 1 2 3 These jacks are for connecting microphones AKJ7403 PROFESSIO...

Page 7: ...c key one step each step is 1 4 note each time this button is pressed Resets the music key to its natural key Raises the music key one step each step is 1 4 note each time this button is pressed Note The key will stay until it is changed further ECHO TONE BASS MID TREBLE CONTROLS These controls are used to boost or cut the low mid and high frequency responses of the echo sound STEREO HEADPHONE OUT...

Page 8: ...player to these jacks AUX Connect the audio output of any auxiliary component such as a cable broadcasting tuner to these jacks BGM Connect the output jacks of the BGM background music player to these jacks 230V 115V 230V 115V Voltage Selector AC IN 115V 230V 50Hz 60Hz R L Serial Number Made in P R C PRE OUT OUT IN MIC EFFECT MIC EFFECT INPUT OUTPUT JACKS VOLTAGE SELECTOR VIDEO INPUT JACKS DVD VCD...

Page 9: ...Consumption of AC Power Outlets part on page 3 AUTO ON OFF SWITCH When this AUTO ON OFF switch is set to ON the audio video input source will be automatically switched to any audio video input source with signals The priority of determining which audio video input source with signals to be selected is as follows video audio and DVD VCD AUX BGM When the AUTO ON OFF switch is set to OFF the audio vi...

Page 10: ...metal part or copper wire of one speaker cable is NOT IN CONTACT with any metal part or copper wire of another speaker cable Use speakers with the impedance of 4 Ω to 16 Ω If two sets of speakers are connected to any one speaker output terminal on the AKJ7403 each speaker must have its impedance higher than 8 Connecting two 8 speakers to a speaker output terminal is the same as connecting a 4 spea...

Page 11: ...ctor AC IN 115V 230V 50Hz 60Hz R L Serial Number Made in P R C PRE OUT OUT IN MIC EFFECT Right speaker Left speaker DVD VCD Video Deck Cassette Deck BGM Graphic Equalizer Power Ampilifer MIC MIC TV Monitor MIC EFFECTOR R L TV Monitor TV Monitor TV Monitor ...

Page 12: ...HEADPHONES PRINCIPLE OF AUDIO VIDEO SWITCHOVER PRE OUT ...

Page 13: ...CHO VOLUME control knob Press the KEY CONTROL buttons to set the desired key Connect a desired number of microphones to the microphone inputs on the AKJ7403 Notes for Proper Use of a Microphone Hold a microphone to have the top of its windscreen 1 to 2 inches away from your mouth To get the best pickup result point the microphone toward your mouth To ensure a clear vocal output do not block the lo...

Page 14: ...me The LED on the MUSIC VOLUME CONTROL knob on the front panel of the main unit blinks during the adjustment A fine adjustment is available by pressing the button intermittently MIC VOLUME These master microphone volume control buttons are used to raise or reduce the microphone volume The LED on the MASTER MIC VOLUME CONTROL knob on the front panel of the main unit blinks during the adjustment A f...

Page 15: ... components in which large current flows when the power is switched on such as a TV cannot be connected to such an AC outlet unless it has been designed to accept the connection of a TV set Do not insert or drop metallic objects such as a hairpin nail and coin or flammable objects such as paper and matches through the ventilation holes or other openings on the unit for this will cause malfunction ...

Page 16: ...FFECT jacks or not properly inserted Make sure the U shaped connector is properly inserted into the MIC EFFECT jacks A condenser microphone is used Change the condenser microphone to a dynamic microp hone or a condenser microphone accepting battery power Humming noise Grounding problems between two adjacent equipments Try to use an isolator to remove the grounding problems PROBLEM POSSIBLE CAUSES ...

Page 17: ...0KHz Microphone BASS 10 10dB 100Hz MID 5 5dB 2KHz TREBLE 10 10dB 10kHz Key Control Range 13 steps 3tones Video Input Jack Sensitivity Input impedance 1Vp p 75 Video Output Jack Output level Output impedance 1Vp p 75 Ω Ω Ω Ω Ω Ω Ω Ω Ω Power Supply etc Supply Voltage AC 115V 230V 50Hz 60 Power Consumption 1300W AC Power Outlets SWITCHED TOTAL 200W max 1 UNSWITCHED TOTAL 200W max 1 Dimensions W X H X...

Page 18: ...ng carton Also enclose a note describing the problem along with any other helpful information such as where and how the unit was used LIMITED WARRANTY H F Technologies Incorporated H F hereby warrants that Audio2000 S products will be free from defects in material and workmanship for a period of 1 one year from date of purchase At its option H F will repair or replace the defective product and pro...

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