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Digihertz Audio DA-TK250A, User Manual, Page: 6 / 24

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Digihertz Audio DA-TK250A User Manual Download Page 6

 

 

5  

OPERATING INSTRUCTION 

 

❶

   

MUSIC PART

 

1.  Connect the singal to any of the audio terminals input(DVD,BGM),and adjust the frequency input 

potentiometer to the proper position, then tum the MASTER knob to adjust the music volume of 
output, like CHART 1 shows: 

 
 
 
 
 
 

Chart 1 (Music Volume Display Menu) 

 

2.  Through the music TREBLE & BASS adjustment, it can be modified the FR inflexion. Adjustment 

range-12dB

～

+12dB,stepover 0.5dB.As chart 2 shown below: 

 
 
 
 
 
 
 

                               

Chart 2 (Music Treble & Bass Display Menu) 

 

3.  Modified tone operation, Under main menu, press the (“#” & “b”) button of menu parameter to 

adjust the music Sound Level. As chart 3: 

 
 
 
 
 
 
 

                             

 

Chart 3 (Music Modify Tone Display Menu) 

 

4.  MASTER VOLUME operation: Master knob is to control all channels Volume level, include MAIN 

OUTPUT (MIC, MUSIC), SUBWOOFER, CENTER. 

 
 
 
 
 
 
 
 

Summary of Contents for DA-TK250A

Page 1: ...USER S MANUAL DA TK250A PROFESSIONAL DIGITAL KARAOKE POWER AMPLIFIER ...

Page 2: ...ould consult an audiologist 6 This product should be located to a location or position does not interfere with its proper ventilation 7 This product should be located away from heat sources such as radiators heat registers or other products that produce heat 8 The product should be connected to a power supply only of to the type described on the operation instructions or as marked on the product 9...

Page 3: ... and bass 5 bands PEQ of Main Output Main Output Volume Direct sound of Main Output Effect Master Volume Subwoofer with 3 bands parametric equalizer Mid 3 bands parametric equalizer 2 groups audio video auto priority input BGM function The additional mid micro channel extrude vocal voice Digital potentiometer adjust parameter adjustment easy operation VOD computer interface of song request wireles...

Page 4: ...nu Parametric Select Button b menu switch button Feedback control button 10 Effect Parameter digital potentiometer adjust DELAY echo REPEAT echo feedback CHO REV proportion REV TIME reverb time 11 Input Microphone Master Individual Adjustment Potentiometer 12 Microphone TREBLE BASS Potentiometer 13 Music Balance Left Right Select Button 14 3 Microphone Cable Input Jack 15 Music TREBLE BASS Potenti...

Page 5: ...Output XLR Port 5 Line Remote Input Port 6 RS232 Real time PC Control Port 7 Power Fuse Specification 120VAC 60Hz T10A 250V 8 Audio Input Sensitivity adjustment Potentiometer 9 Video Input Port 10 Audio Input Port 11 Video Output Port 12 Audio Output Port 13 Power amplifier left and Right Channel Output ...

Page 6: ...ay Menu 2 Through the music TREBLE BASS adjustment it can be modified the FR inflexion Adjustment range 12dB 12dB stepover 0 5dB As chart 2 shown below Chart 2 Music Treble Bass Display Menu 3 Modified tone operation Under main menu press the b button of menu parameter to adjust the music Sound Level As chart 3 Chart 3 Music Modify Tone Display Menu 4 MASTER VOLUME operation Master knob is to cont...

Page 7: ...three parameters adjust to sing and dance background Set up the volume of different background Example SUB F volume of sing and dance SING SUB 30dB DISC SUB 5dB When the mode is AUTO the system will automatically convert to the SUB F volume of sing to SUB F volume of dance which it has set up before when the system has detects that no Mic signal in It will convert back to SUB F volume of singing w...

Page 8: ...entage will be added LCD display will show REV 55 REV 85 till to PURE Reverb mode Then the Echo Effect is zero When the ECHO and REVERB stay at the same scale LCD screen will show ECHO REB mode See Chart 8 below Chart 8 Effect Scale Mode 3 Adjustment of EFFECT Parameter including Echo Delay Repeat Rev Time s Effect adjustment Rotate Echo Delay Repeat Adjust Effect Scale of Echo effect parameter Th...

Page 9: ... is 9dB 9dB among low mid frequency default boost frequency is 100Hz MID ALT frequency default boost frequency is 1 00kHz Alt default boost frequency is 4 00kHz See Chart 10 below Chart 10 Mic EQ Schematic Diagram 5 Mic Auto Feedback Control When the performer uses Microphone to sing in front of speakers Howling could happen so press FBE button howling will disappear it will protect the speakers p...

Page 10: ...ferent menu and all the options the parameter of increase decrease button b are used to adjust current menu parameter Load a Effect Store a Effect Erase a Effect Load Ini Effect Store Ini Effect EFFECT MODE AND PAR AMETER MIC N_GATE MIC INIVOL MIC MAXVOL EFF INIVOL EFF MAXVOL EFF INIMODE CNT INIVOL CNT MAXVOL REMOTE SEL REMOTE MODE RS232 MODE MUS N_GATE BALANCE MUS INIVOL MUS MAXVOL AUDIO INPUT AV...

Page 11: ...il if the system do not load the effect view Otherwise get in series number of effect memory in current loaded programme use the parametric increase decrease button b to select an effect then press the Confirm button to get to the next menu Memorized Mode No Memorized Mode Series Number Load Programme LCD screen will show you to press Confirm button to invoke effect programme then get to the next ...

Page 12: ...umber has loaded program before then press the confirm button to next interface Programme series number Set up the name of memory program us parametric button b to adjust current character size of cursor indication use parametric moving button to change the location of cursor indication character 10 character can be saved on every loaded memory Cursor indication Edit programme name Press Confirm b...

Page 13: ...n current memory program Use Parametric button b to select a Effect to be Erased then press Confirm button to step next interface Stored Program No Stored program Programme The name of Series number loaded programme LCD screen shows to press Confirm Menu button to erase the Effect press Menu button to get in to next interface One LCD Screen shows Erasing procedure is finished it will auto back to ...

Page 14: ...s menu to step in to next interface Once LCD Screen shows procedures is finished it will auto back to the Main Menu Storage Initial Effect Program Press Menu button to get in Storage menu of initial Effect press Menu button again to get to next interface The system screen show the initial Effect Program then press the Menu button to next interface LCD screen shows that Press menu button to store i...

Page 15: ... provide total 14 Groups Mix and 4 Groups Echo Effect combination crossover mode Echo and Mix Effect can not be chosed at the same time when changing Effect Press button more the parametric menu follow current selective effect mode it provide Mix Delay Mix High Pass Mix Low Pass Echo High Pass Echo Low Pass etc Parameter Set Up interface ...

Page 16: ... is mainly to support karaoke volume project When the system switch is on the MIC volume always stays at the pro installed Value If the MIC volume required to at minimum when switch on every time set the value at 26dB MIC Volume Limitation Set up MIC volume in the menu this parameter is to maximum of MIC set up limit For example Parameter set up in 10dB so MIC volume set up limit is max 10dB when ...

Page 17: ...n condition This parameter setup is mainly to support Karaoke project When power is on Centre Volume is always loading on Preload value To set up to minimum center volume when starts select 30dB CENTER Volume Limitation To set up center volume allowance value in the menu this parameter is to adjust to maximum Center Volume For example when the parameter is 20dB The limit of center adjustment is 20...

Page 18: ...ct Set up This function is mainly to set up input terminal of remote this system allows user using wireless remote to set up parameter when the parameter has set up in IrDA when the parameter shows line the system allow user using wireless remote terminal to set up parameter Remote Invoke Effect Setup This function is to set up invoke mode of remote when the parameter set up in press user can use ...

Page 19: ...shold range can reduce more noise component including small signals Default Value is 66dB Output Balance set up Press parameter b button to set up till LCD screen shows R0 it means right channel output in minimum Set up till LCD show LR100 means left right channel output is the same Music Volume Preinstall To set up Pre install in volume in menu This parameter set up is mainly to support karaoke p...

Page 20: ...ack of audio input connect the KARAOKE signal to DVD Set up BGM Auto Convert Priority mode select BGM input first Any groups audio play the system auto convert to this group As left chart the system will auto convert to BGM audio based on pre installed BGM convert timing when vocal stops For example As left chart DVD audio when the DVD audio is off the system will auto convert to BGM if No audio s...

Page 21: ...e when converting the signal circuit And when the parameter is direct the signal is directly converted no progressive procedures needed Music Delay Settings delay time settings for music signal from input to output range 0 21ms step value is 0 5ms Temperature Display display the temperature of the inside radiator Power On Replacement Put down button when power is on the machine will reset instantl...

Page 22: ...sword If it is not the same the system will indicate the checking mistake Unlock step is same as above confirm the two times password twice and unlock Lock Unlock Remarks When activate Lock function the system will lock down all different functions based on previous set up option use computer software to setup the parameter including Music Mic Volume and Parameter etc Caution This machine has auto...

Page 23: ...ds press 0 9 can recall the memories 20 299 Press key 0 30 can recall the memory 0 directly MIC MIC Microphone Volume Adjust MUSIC MUSIC Music Volume Adjust EFFECT EFFECT Effect Volume Adjust b Adjust the Music Tone SUB SUB SUB Volume Adjust MASTER MASTER MASTER Volume Adjust BAL BAL BAL Volume Adjust Sheet 1 The Remote Control Code data digit hexadecimal Keys Code Keys Code Keys code Keys Code FB...

Page 24: ... Short circuit Protection Recommended Impedance Power Supply Fuse Mains Input Power Consumption Net Weight Packaging Sizes 220W 220W 8Ω 320W 320W 4Ω Music processing 95dB bypass pitch off Microphone processing 80dB effect on 0 3 20Hz 20kHz two channel 2 100W RMS output bybass 20Hz 20kHz 1dB 0 5mV 100mV 2kΩ 0 707V 10kΩ 1 Vpp 47kΩ 12dB step 0 1dB 12dB step 0 1dB 12dB step 0 1dB 12dB step 0 1dB 7grad...

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