USER MANUAL
Contents
1. 20Hz to 20KHz 0 25dB 0 035 typ 1KHz 0 dBu INPUT gt 60dB 1KHz o dBu input 24 bit Sigma Delta 64 128 times Over sampling 48KHz 2x16 LCD Display 90V 250VAC TIAL 250VAC 10 Watts Standard IEC receptacle 45mm Xx 482mm X 152mm 2kg 3kg Page 10 DIGISYNTHETIC CO LTD Http www digisynthetic com E mail digisyn digisynthetic com sale digisynthetic com VERSION V1 02. 3 flashing is that current programme can edit C Function Buttons amp Program Jog Wheel 6 Y Y y y y o E D Fig 2 2 Function dencoder Buttons 1 To edit parameter value turning clockwise to increase and anti clockwise to decrease value SV flashing is prompting that the parameter has been changed whether memories 2 PROG Press this button to select program and LCD screen will display program effect as Fig 2 3 and this symbol flashing to user can choose any effecs from P1 P48 preset effect through encoder and press the button again show user purposed effects PO1 CATHEDRALI REV MIX 70 Fig 2 3 Factory preset Default program Page 6 Operation content 3 PARAM PARAMETER BUTTON Press this button to display second line information of present program parameter flash to allow parameter adjustment by jog wheel Repeat pressing this button to select different parameter items and turning jog wheel to increase or decrease value While SV flash and display on top right or bottom right screen means parameter has been edited and remind user to save changes or not Press button 7 STORE to store edited value Example To edit P 02 entire parameter value Press this button shortly to show REV MIX 50 on second line of LCD Screen symbol will blink turning jog wheel clockwise to increase MIX 50 to MIX 70
3. 9 LARGE HALLI 10 LARGE HALL2 11 SHORT PLATE 12 VOCAL PLATE 13 CHURCH 1 14 CHURCH 2 15 DELAY 1 16 DELAY 2 17 TRIPLET DLY 18 MUL TAP DLY 19 GATED REVBI 20 GATED REVB2 21 GATED PLATI1 22 GATED PLAT2 23 STEREO ECHO 24 TRIPLE ECHO 25 CHO LIGHT 1 26 CHO LIGHT 2 27 CHO MEDIUM 28 CHO MEDIUM2 Page 8 Operation content 29 CHO DEEP 1 30 CHO DEEP 2 31 CHO FAST 1 32 CHO FAST 2 33 RESONAN CHO 34 LONG TM CHO 35 LESLIE SLOW 36 PITCH 37 DEL amp REV 1 38 DEI lt REV 2 39 CHO lt REV 1 40 CHO amp REV 2 41 FLA amp REV 1 42 FLA amp REV 2 43 CHO amp DEL 1 44 CHO amp DEL 2 45 DIST lt CHO 46 DIST amp DEL 47 DIST lt GATE 48 PITCH amp DEIL AY Page 9 E Specification Technical Specifications Analog Inputs Connectors Type Impedance Input Operating Level Max Input Level Analog Outputs Connectors Type Impedance Max Output Level System specifications Bandwidth THD Channel Separation Digital Processing Converters Sampling Rate Display Type Power Supply Fuse Power Consumption Mains Conection Physical Dimensions H W D Net weight Gross Weight XLR and 1 4 jack therefore filtered servo balanced 20k 9 unalanced 40k balanced 20k unbalanced 20dB to 4dB 4Vpp XLR and 1 4 Inch jack Electronically servo balanced output stage lt 100 Q 2dBu 600 Q
4. E The product has been dropped or the enclosure damaged 13 Do not attempt to servicethe product beyond that describedin the user maintenance instructions All other servicing should be referred to qualified service personnel 14 WARNING Do not place objects on the product s power cord or place it in a position where anyone could trip over walk on or roll anything over it Do not allow the product to rest on or to be installed over power cords of any type Improper installations of this type create the possibility of fire hazard and or personal injury SAVE THESE INSTRUCTIONS Page 1 Characteristic DIGISYNTHETIC PRO MODE DS248A vss MULTI EFFECTS PROCESSOR DIGISYNTHETICO DS 248A sme 00000000 MULTI ETEECTOR 24 BIT DIGITAL PROCESSOR E 9 24 bit high pevformance DSP 48 kHz sampling rate 0 43 Factory preset effects 48 user editable effective programme Including mix chorus pit dist effects suitable for different users 5 band parametric equalizer 0 2x16 charactor LCD display O LEV level lamp bar display Simple GUI control and reserved function Page 2 Front panel Control panel PROGRAM te BYPASS C3 DIGISYNTHETIC MULTI EFFECTS PROCESSOR o ETEECTOR Tutus ERES i F r n O 6 2 1 PROGRAM Button use to shift preset program
5. for more than 3 seconds to RESET function Present program will be reset to factory default settings as Fig 2 4 EQ FREO 1kHz GAIN 0dB Fig 2 6 Equalizer programs 6 BYPASS If hold this button for longer seconds signal will send out directly with out any sound effect as Fig 2 7 Hold this button again for longer period to resume to program function BYPASS Fig 2 7 Effect off indication Page 7 Operation content 7 STORE Press this button to SAVE edited parameter values Able to STORE to any User program from Ul U48 If UOI blink SV blinks this indicates user is able to select any user program from U01 U48 by jog wheel as Fig 2 8 Press this button again STORE will blink as Fig 2 4 go back to USER PROGRAM mode and the previous changes has been SAVED UO1 CATHEDRAILI REV MIX 70 SV Fig 2 8 SAVE MODE Keep pressing STORE key 3 seconds LCD screen will dislay BATCH SETTING DIRECT VOL 0 then able to set U1 U48 direct sound revolve knob to set the volume To hold longer press this button till the LCD screen dispaly ETTING BATCH DIRECT VOL PLS WAIT then you can make the same volume seting for Ul U48 D 48 Appendix Effect Lists 1 CATHEDRAL 2 SHORT ROOM 3 SHORT ROOM 4 SHORT ROOMS 5 ROOM 1 6 ROOM 2 7 SMALL HALLI 8 SMALL HALL2
6. hold PARAM button shortly again to display second line information with REV TIME 2 0s symbol blink turn jog wheel anti clockwise to decrease 2 0s to 1 9s Press PARAM button REV HPF will display in second line symbol blinks turning jog wheel clockwise or anti clockwise to increase or decrease parameter value respectively UO2 CATHEDRAL2 REV MIX 70 Fig 2 4 USER PROGRAM 4 LOCK First hold this button for longer seconds to display first line information with the last symbol this shows Function Button is in LOCK mode situation as Fig 2 5 Other than this button the rest of the button is not functioning 2 time holding this button for longer seconds to disable the 1 line last gt symbol this means the LOCK mode function is disable all buttons resume to its original function POI CATHEDRAL F REV MIX 70 Fig 2 5 Function Button LOCK mode 5 PEQ RESET Parametric EQ amp Reset Button Press this button shortly to activate Parametric EQ Octave 2 line will display frequency gain indicate it can edit curvent programme as Fig 2 6 First press this button will blink in 1 line display turning jog wheel to select any item from 62Hz 250Hz 1kHz 2kHz 8kHz Press this button again From the las will blink at this time the user is able to select GAIN from 12dB 12dB Press this button again to go back to the 1 line function Hold this button
7. DIGISYNTHETIC DS248A Multi Effects Processor DIGISYNTHETIC DS 248A MULTI ETEECTOR 01 CATHEDRAL T2SHORTROOM 03 SHORT ROOM2 04 SHORT ROOM 3 OSADO 1 05ROOM2 OTSVALLHALLI 08 SVALLHALL2 DS LARGE HALL 1 TOLARGEHALL 2 11 SHORT PLATE 12 VOCALPLATE T3CHURCHI 25 CHORUS LIGHT 1 14 CHURCH2 25 CHORUS LIGHT 2 15DELAY T 27CHORUS VEDIUM 390508 REV 1SDELAYZ 28 CHORUS VEDIUM2 40 CHO8REV 2 zacorusoeer 1 4 FLARE S0CHORUSOEEP2 42FLASREV2 SICHORUSFASTA ascHoapeLt zackoruseast2 a4cHoapeL2 SSRESONANT CHORUS as DISTECHO S4LONGTIME CHORUS 46 DISTADEL 23sTEREOECHO 35 47 DISTAGATE Z4TRIPLETECHO 36PITCH 48 PITCHADELAY cm MULTI EFFECTS PROCESSOR 00000000 24 BIT DIGITAL PROCESSOR an grens PARAMTER sre USER MANUAL Safety Instruction Characteristic Control Panel Operation Content Specification CONTENTS The lightning flash with arrowhead synbol within an equilateral triangle is intendedto alert theuser to the presence of uninsulated dangerous voltage within the product senclosure that may beof sufficient magnitudeto constitute arisk of electric CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN shock to persons CAUTION TO REDUCE THERISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK The exclamation point within an equilateral triangle is intended NO USER SERVICEABLE PARTS INSIDE to a
8. lert theuser to thepresence of importantoperation and REFER SERVICINGTO QUALIFIED PERSONNEL maintenace servicing instructionin the literature accompanying the appliance IMPORTANT SAFETY INSTRUCTION Please read below basic protection proceeding before using 1 Please read all the safety instruction before using the product 2 This product mustbe earthed If it should be malfunction or break down grounding provides a path of least resistance for electric current to reducerisk of electric shock This product is equipped with a cord having anequipment grounding conductor and a grounding plug The plug mustbe plugged into an appropriate outletthat is properly installed andearthed in accordance with alllocal codes and ordinance DANGER Improper connection of the equipment grounding conductor can result in arisk of electric shock Check with a qualified electrician or serviceman if you are in doubtas to whether the productis properly grounded Do not modify the plug provided with the product if it will notfit the outlet have a proper outlet installed by a qualified electrician 3 To reduce the risk ofinjury close supervision is necessary when the product is used near children 4 Do not use this product near water for example near a bathtub washbowl kitchensink in wet basement ornear a swimming pool or the lake 5 This product may be capable of producing sound levels that cloud cause permanent hearing loss Do not operate for a long peri
9. me mode user mode 2 LOCK button useto lock the button prevent mistaken operation 3 BYPASS Button use to through on offeffect 4 Signal Meter indicates the level ofthe signal input 5 2X16 LCD dislay 6 Encoder Useto adjustthe parameter 7 PARAMETER Button Shift effectparameters menu 8 EQ RESET Button To shift EQ menu andreset operation 9 Store Button Use to stare operation 10 Power switch Rear panel t o mamamanmi use 4 202 7 O aks OG S as OO S Z 6 1 Power socket 2 USB connector 3 Right Channel output 4 Right Channel input level adjustment 5 Right Channel input 6 Left Channel output 7 Left Channel input level adjustment 8 Left Channel inputs Page 3 Operation content A Introduction DS248A is a multi effects processor designed with flexibility amp user friendly for all venues amp events Available 48 factory preset effects for instant operation P1 P48 Also available 48 effects for user program U1 U48 All parameters are editable with memory function included 1 Reverb parameter REV MIX Reverb effect mixing volume PreDelay Rever bpre delay time REV TIME Reverb Time REV LPF Reverb Lowpass filter REV HPF Reverb Highpass filter REV HDAMP HF reverb HDAMP enchance 2 Gate reverb editalbe parameter GT MIX Gate reverb mixing volume PreDelay P
10. od of time at high volume level or ata level that is uncomfortable If you experience any hearing loss or ringing in the ears you should consult an audiologist 6 This product should be located so that its location or position does notinterfere with its proper ventilation 7 This product should be located away from heatsources such as radiators heatregisters or other products that produce heat 8 The product should be connected to a powersupply only of the type described on the operation instructions or as marked on the product 9 This product may be equipped with a polarized line plug one blade widerthan the other Thisis a safety feature Ifyou are unable to insert the plug into the outlet contactan electrician to replace your obsolete outlet Do not defeat the safety purpose of the plug 10 The power supply cord ofthe product should be unplugged from the outlet when leftunused for a long period of time When unplugging the power supply cord do not pull onthe cord but grasp itby the plug 11 Care should be taken so that object do not fall and liquid are not spilled into the enclosure through opening 12 The product should be serviced by qualified service personnel when A Thepower supply cord or the plug has been damaged or B Objects have been fallen or liquid has been spilled into the product or C The product has been exposed to rain or D The product does not appear to operate normally or exhibits a marked change in performance or
11. redelay time GT TIME Gate reverb time GT LPF Lowpass filter GT HPF High pass filter GT HDAMP HF enchance GT THRES threshold value 3 ECHO Parameters Echo Mix Echo Volumne E TIME Echo Time E HPF Echo High Pass Rilter E LPF Echo Low Pass Rilter E FB Echo FeedBack E HDAMP HF Enchance 4 Chorus parameters CHO MIX CHORUS Volume CHO DELAY Chorus delay time CHO FB Chorus feedback CHO HPF Chorus Highpass filter CHO RATE Chorus rate CHO DEPTH Chorus depth Page 4 5 Flanger Parameters FLG MIX Flange mixing volume FLG DELAY Flange delay time FLG FB Flange feedback FLG HPF Flange Highpass filter FLG RATE Flange rate FLG DEPTH Flange depth 6 Delay parameter DEL MIX Delay mixing volume DEL TIME Delay Time DEL FB Delay Feedback DEL HPF Delay highpass filter 7 Pitch parameters PIT MIX Pitch mixing volume PIT COARSE detune PIT FREQ Pitch frequency PIT RES Pitch resonance 8 Distortion parameters DIST DEPTH distortion depth DIST LPF Distortion Low Pass Filter DIST RES Distortion Resonance DIST FILT Distortion filt Operation content Page 5 Operation content B EFFECTS MENU Display POI CATHEDR AI 1 REV MIX 70 Fig 2 1 EFFECTS Menu Display 1 1 line to display effect modes nd 2 2 line to display parameters
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