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 Be sure to read the instructions in this section carefully before use.
 Make sure  to observe  the instructions in this manual as the conventions of safety symbols and messages
 regarded as very important precautions are included.
 We also recommend you keep this instruction manual handy for future reference.

Safety Symbol and Message Conventions

Safety  symbols and messages  described  below are used in this manual to prevent  bodily injury and  property 
damage  which  could  result  from  mishandling.  Before  operating  your  product,  read  this  manual  first  and
understand the safety symbols and messages so you are thoroughly aware of the potential safety 

Indicates a potentially hazardous situation which, if mishandled, could
result in death or serious personal injury.

Indicates a potentially hazardous situation which, if mishandled, could
result in moderate or minor personal injury, and/or property damage.

When Installing the Unit

   Do not  expose  the unit  to rain or an  environment
   where it may be splashed by water or other liquids, 
   as doing so may result in fire or electric shock.

   Use the unit only with the voltage  specified  on the
   unit.  Using  a  voltage  higher  than  that  which  is
   specified may result in fire or electric shock.

   Do not cut, kink, otherwise damage  nor modify the
   power  supply  cord.  In  addition,  avoid  using  the
   power cord in close proximity to heaters, and never
   place heavy objects -- including the unit  itself -- on 
   the  power  cord,  as doing so may result  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  unstable
 locations, such  as  on a rickety  table  or  a slanted

surface.  Doing  so  may  result  in  the  unit   falling

 down,   causing   personal   injury  and/or  property 
 damage.

When the Unit is in Use

   Should  the  following  irregularity  be  found  during 
   use, immediately switch  off  the  power, disconnect
   the  power  supply   plug  from  the  AC  outlet  and 
   contact  your  nearest  

  dealer. Make no further

   attempt  to operate the unit in this  condition as  this
   may cause fire or electric  shock.
     If  you  detect  smoke  or  a strange  smell coming
     from the unit.
     If water or any metallic object gets into the unit
     If the unit falls, or the unit case breaks
     If the power supply cord is damaged (exposure  of
     the core, disconnection, etc.)
     If it is malfunctioning (no tone sounds.)

   To prevent  a fire or electric  shock, never open  nor
   remove  the  unit  case  as  there  are  high  voltage 
   components  inside  the  unit.  Refer all servicing to
   your nearest  

 dealer.

ITC

ITC 

 Do  not  place  cups,  bowls,  or other containers  of
 liquid  or  metallic  objects on top of the unit. If  they 
 accidentally spill  into the unit, this may cause a fire 
 or electric shock.

  Do   not   insert    nor   drop    metallic    objects   or 
  flammable  materials  in  the  ventilation slots  of the
  unit's  cover,  as  this  may  result  in  fire  or electric
  shock.

1. SAFETY PRECAUTIONS

3

Summary of Contents for T-4120UC

Page 1: ...PUBLIC ADDRESS SYSTEM T 4120UC T 4240UC CLASS D POWER AMPLIFIER MENU TF USB 10 10 dB 10 10 dB 10 10 dB 10 10 dB 10 10 dB 10 10 dB 10 10 dB 10 10 dB V MODE V CH1 T 4240UC CLASS D POWER AMPLIFIER MIN MA...

Page 2: ...SCRIPTION 5 3 FEATURES 5 4 NOMENCLATURE AND FUNCTIONS 4 1 Front Panel 6 4 2 Rear Panel 7 5 OPERATION ILLUSTRATION 8 6 SCREEN OPERATION INSTRUCTIONS 11 7 15 8 APPLICATIONS 16 9 BLOCK DIAGRAM 17 10 SPEC...

Page 3: ...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 electr...

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 inju...

Page 5: ...ital mixer amplifier 4 16R 100V 2 Built in MP3 recording function 3 6 channel independent volume control 4 The 6 channel audio source can be configured as a matrix to each channel output 5 INPUT1 4 in...

Page 6: ...will be disconnected and the protection indicator light will light up the signal indicator is only used to indicate the input music signal when in the protection state the signal indicator still ligh...

Page 7: ...LINE2 input interface 15 AUDIO OUTPUT interface 1200W T15AL 250V 230V 50Hz OUTPUT INPUT1 GAIN INPUT1 G INPUT2 GAIN INPUT3 GAIN INPUT4 GAIN REMOTE REM MIC PANEL FM ANT G EMC IN ALARM MUTE CH1 CH3 CH2 C...

Page 8: ...built in TF card socket when the device is off press and hold the Play Pause button to turn it on after seeing the screen light up and displaying information release the button to automatically updat...

Page 9: ...he Phantom function Turn the dial switch corresponding to INPUTx Phantom to OFF The ALARM and EMC IN trigger and input interfaces are shown in the figure above For EMC trigger you only need to input a...

Page 10: ...F Constant impedance mode Turn the switches corresponding to CH1 CH2 4 16 and CH3 CH4 4 16 to ON The operation method is as follows When the 100V and speaker output mode selection switch is set to the...

Page 11: ...Right status display 2 Audio matrix The audio matrix interface is used to configure the switch of each channel of the audio matrix as shown in the figure below you can use the MENU knob to switch the...

Page 12: ...sful 6 Play Pause button 7 Play time 8 Song duration 9 Play mode List loop Single cycle Order playback Single playback 10 Song number and song file name 11 USB mode indication when highlighted it mean...

Page 13: ...mp to the recorder player interface as shown to play the audio just recorded and automatically turn on the Multimedia input channel and CHx channel switch configured in the audio matrix interface Reco...

Page 14: ...nel remote or local control volume and the online and offline status of remote audio control equipment 4 Volume 4 3 1 2 1 Return button 2 Output channel CHx 3 Volume control status local remote online...

Page 15: ...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...

Page 16: ...1 2 2 OUTPUT OUTPUT OUTPUT 1 1 2 2 1 1 2 2 OUTPUT 1 1 2 2 OUTPUT 1 1 2 2 OUTPUT 1 1 2 2 OUTPUT 1 1 2 2 OUTPUT 1 1 2 2 OUTPUT 1 1 2 2 OUTPUT 1 1 2 2 OUTPUT 1 1 2 2 SIG SIG SIG SIG SIG SIG SIG SIG SIG S...

Page 17: ...N 48V INPUT3 INPUT3 GAIN 48V INPUT4 INPUT4 GAIN INPUT5 LINE1 LINE2 Audio matrix RE M MIC MP3 PLAY B ULE DISPLAY POWER APM POWER APM OUT1 100V 4R OUT2 100V 4R OUT3 100V 4R OUT4 100V 4R VCA VCA CH OUT E...

Page 18: ...C 4 240W Distortion Power supply Phantom power Protection Cooling Storage temperature Relative humidity Less than 0 5 at 1KHz 1 3 rated power 48V 2V High temperature overload short circuit Forced cool...

Page 19: ...G EMC IN ALARM MUTE CH1 CH3 CH2 CH4 INPUT4 G INPUT2 G INPUT3 G CH4 CH3 CH2 CH1 INPUT1 Priorty INPUT2 Priorty INPUT3 Priorty INPUT4 Priorty 1 2 3 4 5 6 CH1 CH2 4 16 CH3 CH4 4 16 INPUT1 Phantom INPUT2 P...

Page 20: ...PUBLIC ADDRESS SYSTEM Version 0 1...

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