Tascam TM-D4000 Owner's Manual

Also see for TM-D4000: Operation manual Technical documentation

Contents

4 - Module operations—Equalization4–34.3 EqualizationThe first three PODs in the first four POD rows of theMODULE screen control the equalization.As the equalization settings are changed, the graphi-cal representation of the EQ response also changes.The four EQ bands are named HI (high), HM (high-mid), LM (low-mid) and LO (low). The HI andLO bands differ from the other two, as explainedbelow.The gain of the bands is between +15dB and-15 dB in 62 steps.However, the high and low bands can be set to act aslowpass and highpass filters, respectively, by turningthe gain to below the minimum -15dB setting.If the gain is turned below -15dB on the HM andLM bands, they change to notch-type filters.Each of the four EQ bands covers the same frequencyrange: 32Hz to 19kHz, selectable over a 112-step range using POD 2.The Q of each band (the frequency range over whichit operates) can be set from 8.65 to 0.27 in 25 steps.The high and low bands can be set to provide shelv-ing EQ, as opposed to peaking-type EQ.Each band can be turned on and off using the leftswitch of POD 1.The gain of each band can be flattened using the rightswitch of POD 1.In order to bypass the equalization circuit for themodule completely, the EQ key to the right of thedisplay screen should be pressed. When the EQ isbypassed, the response curve at the top of the displayis “grayed out” to show that EQ settings have noaudible effect, but making adjustments using thePODs will change the shape of the curve. When theEQ is brought back, these changes will take effect.When two channels have been linked into a stereopair, or when one of the two stereo inputs is selected,the changes made to the equalization affect bothchannels equally.EQ settings, once made, may be stored in the EQlibrary for further recall. The way in which this isdone is explained in the section of this manual deal-ing with the TM-D4000 libraries (8, “Library func-tions”).4.4 Channel-to-buss assignmentsThere are two ways of assigning channels to the eightoutput busses, the stereo busses, or for direct output:using the dedicated ASSIGN key or from theMODULE screen.4.4.1 Using the MODULE screen for bussassignmentThe status of the keys to the right of the displayscreen are shown: EQ, DYNAMICS, the buss and ste-reo assignment keys, and the direct out status (forinput channels 1 through 16).The function of the EQ and DYNAMICS keys areexplained in the appropriate places (4.3, “Equaliza-tion” and 4.6, “Dynamics processor settings”).The channel can be assigned to any combination ofthe eight output busses and the stereo output buss.Busses are selected in pairs (1–2, 3–4, 5–6, 7–8).As with most analog consoles when a buss pair isselected, the odd-numbered buss of the pair corre-sponds to a hard left pan, and the even-numberedbuss corresponds to a hard right pan. Anything inbetween will balance the channel signal proportion-ately between the two busses.Input channels 1 through 16 (the integral analoginputs and the inputs of slot 1) can also be assignedas direct outs (DIR on this screen).They are sent from the outputs which correspond tothe input channel number, plus 16. In other words,input channel 1, when selected for direct out, is out-put from channel 17 (the first output channel of slot2), channel 9 is output from channel 25 (the first out-put channel of slot 3), etc. If slots 2 and 3 are not fit-ted with interface cards, the DIRECT key will haveno effect.