User manual JBSYSTEMS LIGHT DFX48 V1.0

[. . . ] Don't cover any ventilation openings as this may result in overheating. minimum distances around the apparatus for sufficient ventilation is 2cm. Always unplug the unit when it is not used for a longer time or before you start servicing. The electrical installation should be carried out by qualified personal only, according to the regulations for electrical and mechanical safety in your country. [. . . ] Please only use good quality cables to minimize noise and interference. The DFX-48 can be connected in two ways: - Between a line level audio source and the input of your mixer. - To the channel effect sends or AUX of a PA-mixer (effect send switched in post fader mode) VIA PA-MIXER EFFECT SEND / AUX (set the direct signal level to 0%) BETWEEN AUDIO SOURCE AND MIXER INPUT (set the direct signal level to your own taste) A Shows program number + name B Shows the different effect parameters C Flashes when you can save the new settings A Shows one of the 5 frequencies of the equalizer B Shows the gain of the equalizer (+/-12dB) C Flashes when you can save the new settings SIGNAL METER: indicates the level of the input signal, please check n°14 to see how you can adapt the input sensitivity. To select an effect you must confirm your choice by pressing the ENTER button (9) within 5seconds. The edit wheel is also used to adjust the different effect parameters. Press this button to shift between the user editable programs (display shows U01 to U48) and factory preset effects (display shows P01 to P48). LOCK BUTTON: press this button for some seconds to lock all buttons (on the right of display line1 a "key symbol" appears). Press this button again for some seconds to unlock all buttons ("key symbol" disappears) 6. BYPASS BUTTON: press this button for some seconds to bypass the effect signal, only the original (direct) signal will pass. PARAMETER BUTTON: each effect uses different parameters, with the parameter button you can browse these parameters. When a parameter is followed by a flashing ":", it can be changed with the EDIT WHEEL (3). When "SV" appears on the display, you can use the ENTER button (9) to save the new settings see point 9 for more information. EQ/RESET BUTTON: This button has two functions: EFFECT EQ: the sound of each effect can be modified using a 5band equalizer. The equalizer has 5 fixed frequencies (62Hz, 250Hz, 1kHz, 2kHz, 8kHz) that all can be adjusted from -12dB to +12dB in 1dB-steps. When "SV" appears on the display, you can use the ENTER button (9) to save the new equalizer settings, together with the other effect parameters see point 9 for more information. RESET USER PROGRAMS: to reset all user programs to the original factory settings, press the RESET button until the display shows "PRESS [ENTER] TO RESET DATA". ENTER BUTTON: used for several functions: Confirm effect of choice: to confirm your choice while browsing the different effect programs. Save modified parameters: when you change the parameters of an effect, "SV" starts flashing in the lower right corner of the display to indicate that you can save the adapted settings. Use the EDIT WHEEL (3) to select the user program (U01 ­ U48) you want to store your settings to. Press the ENTER button (9) again to confirm: the display shows "STORING DATA" d. Batch setup of direct signal: when the effect unit is used with the effect send/return of a PAmixer, you only want to send the effect signal back to the mixer and not the original (direct) signal. This means that the direct signal in the output of the DFX-48 should be off (or 0 %). [. . . ] ) Press the OK button: the effect is stored into the DFX-48 at the location you selected. EFFECT PARAMETER: all effect parameters are listed, you can select one of the parameters and adapt it very easily with the slider on the bottom of the list. Power Supply: Fuse: Frequency response: THD + noise: S/N Ratio (IHF-A): Input level: Input Impedance: Output Impedance: AD/DA: Sample rate: SINGLE EFFECT PRESETS: 90Vac ~ 240Vac, 50Hz 20mm glass fuse 250V 1A slow 20-20. -20dB/+4dB 40k balanced 20k unbalanced 66 balanced 33 unbalanced 24bit Sigma/Delta 48kHz number = 36 cathedral, short room 1+2+3, room 1+2, small hall 1+2, large hall 1+2, short plate, vocal plate, church 1+2, delay 1+2, triplet delay, multitap delay, gated reverb 1+2, gated plate 1+2, stereo echo, triplet echo, chorus light 1+2, chorus medium 1+2, chorus fast 1+2, resonant chorus, long time chorus, leslie slow, pitch. [. . . ]